/* Universe Office Blog — Custom Styles */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500&family=Noto+Sans+JP:wght@300;400&family=EB+Garamond:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --forest: #1B4332;
  --moss: #40916C;
  --fern: #52B788;
  --sage: #95D5B2;
  --mist: #E8F5EE;
  --bark: #5C3D1E;
  --earth: #9A7248;
  --sand: #EDE0CC;
  --sky: #F2F8F4;
  --light: #FAFDF8;
  --text: #1A2E1A;
  --muted: #4A6741;
}

/* Body & base */
body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--light);
  color: var(--text);
  line-height: 1.85;
}

/* Navbar overrides */
.navbar {
  background: rgba(250, 253, 248, 0.94) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(64, 145, 108, 0.12);
}

.navbar-brand {
  font-family: 'EB Garamond', serif;
  color: var(--forest) !important;
  letter-spacing: 0.06em;
}

.navbar-nav .nav-link {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--muted) !important;
  transition: color 0.3s;
}

.navbar-nav .nav-link:hover {
  color: var(--forest) !important;
}

/* Headings */
h1, h2, h3 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  color: var(--forest);
}

h1 {
  font-size: 2.4rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.6rem;
  margin-top: 2rem;
}

/* Hero area for blog top */
.blog-hero {
  text-align: center;
  padding: 4rem 2rem 3rem;
  background: var(--sky);
  border-bottom: 1px solid rgba(64, 145, 108, 0.1);
  margin-bottom: 3rem;
}

.blog-hero h1 {
  font-family: 'EB Garamond', serif;
  font-size: 2.6rem;
  color: var(--forest);
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.blog-hero .subtitle {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--earth);
  letter-spacing: 0.04em;
}

/* Series cards */
.series-section {
  max-width: 860px;
  margin: 0 auto 3rem;
  padding: 0 2rem;
}

.series-section h2 {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--earth);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(64, 145, 108, 0.15);
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.series-card {
  padding: 1.8rem;
  border: 1px solid rgba(64, 145, 108, 0.15);
  background: white;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.series-card:hover {
  border-color: var(--moss);
  box-shadow: 0 2px 12px rgba(27, 67, 50, 0.06);
}

.series-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--forest);
  margin: 0 0 0.6rem;
}

.series-card p {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.8;
  margin: 0;
}

.series-card .coming-soon {
  display: inline-block;
  margin-top: 0.8rem;
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: 0.82rem;
  color: var(--earth);
  letter-spacing: 0.06em;
}

/* Footer overrides */
.nav-footer {
  background: var(--bark);
  color: rgba(237, 224, 204, 0.6);
}

/* Code block styling */
pre {
  background: var(--sky) !important;
  border: 1px solid rgba(64, 145, 108, 0.12);
  border-radius: 0;
}

code {
  color: var(--forest);
}

/* Links */
a {
  color: var(--moss);
  transition: color 0.3s;
}

a:hover {
  color: var(--forest);
}

/* TOC */
.sidebar nav[role="doc-toc"] a {
  color: var(--muted);
  font-size: 0.84rem;
}

.sidebar nav[role="doc-toc"] a:hover {
  color: var(--forest);
}

/* Responsive */
@media (max-width: 768px) {
  .series-grid {
    grid-template-columns: 1fr;
  }

  .blog-hero {
    padding: 3rem 1.5rem 2rem;
  }

  .blog-hero h1 {
    font-size: 2rem;
  }
}