body {
  background-color: #0a0a0a;
  color: #f5f5f5;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

header {
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
  width: 100px;
  height: auto;
}

nav {
  display: flex;
  align-items: center;
}

nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  margin-right: 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

nav a:hover {
  color: #fff;
}

main {
  padding: 2.5rem 1.5rem 4rem;
  max-width: 720px;
  margin: 0 auto;
}

main h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.blog-intro {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 3rem;
  max-width: 52ch;
}

/* ---- Post list ---- */
.blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-list-item {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-list-item:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-list-link {
  display: block;
  padding: 1.75rem 0;
  text-decoration: none;
  color: inherit;
}

.blog-list-date {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.5rem;
}

.blog-list-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  color: #fff;
  transition: color 0.2s ease;
}

.blog-list-link:hover .blog-list-title {
  color: #f1220b;
}

.blog-list-summary {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 0.75rem;
}

.blog-list-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.2s ease, transform 0.2s ease;
}

.blog-list-link:hover .blog-list-more {
  color: #f1220b;
}

.blog-empty {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
  padding: 2rem 0;
}

/* ---- Single post ---- */
.blog-back {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-back:hover {
  color: #fff;
}

.blog-article-head {
  margin-bottom: 2.5rem;
}

.blog-article-date {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.75rem;
}

.blog-article-title {
  font-size: clamp(1.8rem, 4.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: #fff;
}

/* ---- Prose (rendered markdown) ---- */
.blog-prose {
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}

.blog-prose h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 1rem;
  color: #fff;
}

.blog-prose h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: #fff;
}

.blog-prose p {
  margin: 0 0 1.4rem;
}

.blog-prose a {
  color: #f1220b;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-prose a:hover {
  color: #ff4530;
}

.blog-prose ul,
.blog-prose ol {
  margin: 0 0 1.4rem;
  padding-left: 1.4rem;
}

.blog-prose li {
  margin-bottom: 0.5rem;
}

.blog-prose blockquote {
  margin: 1.6rem 0;
  padding: 0.5rem 1.25rem;
  border-left: 3px solid #f1220b;
  color: rgba(255, 255, 255, 0.7);
  font-style: italic;
}

.blog-prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

.blog-prose pre {
  background: #141414;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 0 0 1.6rem;
}

.blog-prose pre code {
  background: none;
  padding: 0;
  font-size: 0.9rem;
}

.blog-prose img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 1.5rem 0;
}

.blog-prose hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin: 2.5rem 0;
}

/* ---- Nav / hamburger (shared pattern) ---- */
.nav-close {
  display: none;
}
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger div {
  width: 25px;
  height: 3px;
  background-color: #fff;
  margin: 5px 0;
  transition: 0.4s;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }

  nav.active {
    display: flex;
  }

  .nav-close {
    display: flex;
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    font-family: inherit;
    opacity: 0.9;
  }

  nav a {
    margin: 1rem 0;
    font-size: 2rem;
    font-weight: 500;
  }

  main {
    padding: 1.5rem 1rem 3rem;
  }

  main h1 {
    font-size: 1.75rem;
  }

  footer {
    flex-direction: column;
    text-align: center;
    margin-top: 3rem;
  }
}