/* ─── Reset ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── Root & Body ────────────────────────────────────── */
html {
  font-size: 16px;
}

body {
  background: #ffffff;
  color: rgba(0, 0, 0, 0.85);
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  padding: 1rem;
}

/* ─── Typography ─────────────────────────────────────── */
h1 {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: normal;
  font-size: 3rem;
  line-height: 1;
  color: rgba(0, 0, 0, 0.85);
  letter-spacing: 0;
}

h2 {
  font-family: 'Times New Roman', Times, serif;
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 0.95;
  color: rgba(0, 0, 0, 0.85);
}

p {
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.45;
  color: rgba(0, 0, 0, 0.85);
  max-width: 60ch;
}

/* ─── Links ──────────────────────────────────────────── */
a {
  color: rgba(0, 0, 0, 0.85);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:active {
  opacity: 0.7;
}

/* ─── Nav ────────────────────────────────────────────── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4rem;
  padding-bottom: 0;
}

.site-title {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: normal;
  font-size: 1rem;
  color: rgba(0, 0, 0, 0.85);
  text-decoration: none;
}

.site-title:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  color: rgba(0, 0, 0, 0.85);
}

.nav-links a.active {
  color: rgba(0, 0, 0, 0.4);
}

/* ─── Archive / Index Page ───────────────────────────── */
.archive {
  max-width: 50%;
}

.post-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.post-list li a {
  display: flex;
  gap: 2rem;
  align-items: baseline;
  text-decoration: none;
  color: rgba(0, 0, 0, 0.85);
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  line-height: 1.6;
}

.post-list li a:hover {
  text-decoration: underline;
}

.post-date {
  flex-shrink: 0;
  color: rgba(0, 0, 0, 0.85);
}

.post-title {
  color: rgba(0, 0, 0, 0.4);
}

/* ─── Post Page ──────────────────────────────────────── */
.post {
  max-width: 50%;
}

.post-header {
    margin-top: 1rem;
  margin-bottom: 2.5rem;
}

.post-header .post-date {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  color: rgba(0, 0, 0, 0.4);
  display: block;
  margin-bottom: 0.4rem;
}

.post-header h1 {
  font-size: 1.5rem;
  font-family: 'Times New Roman', Times, serif;
  font-weight: 400;
}

/* ─── Post Content Blocks ────────────────────────────── */
.post-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Single image */
.block-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Image with caption below */
.block-image .caption {
  margin-top: 0.5rem;
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  color: rgba(0, 0, 0, 0.6);
  line-height: 1;
}

/* Two images side by side */
.block-image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.block-image-pair img {
  width: 100%;
  height: auto;
  display: block;
}

/* Text block */
.block-text p {
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  line-height: 1.5;
  color: rgba(0, 0, 0, 0.85);
  max-width: 60ch;
  margin-bottom: 1rem;
}

.block-text p + p {
  margin-top: 2em;
}

/* ─── Post Footer / Back Link ────────────────────────── */
.post-back {
  margin-top: 1rem;
  font-family: 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  color: rgba(0, 0, 0, 0.4);
}

.post-back a {
  color: rgba(0, 0, 0, 0.4);
}

.post-back a:hover {
  color: rgba(0, 0, 0, 0.85);
  text-decoration: underline;
}

/* ─── Mobile ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .archive,
  .post {
    max-width: 100%;
  }

  nav {
    margin-bottom: 2.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  .block-image-pair {
    grid-template-columns: 1fr;
  }
}