/* Articles Hub & Post Style - Modern Kabukimono */
:root {
  --primary: #FF0033;
  --secondary: #D4AF37;
  --bg: #0A0A0A;
  --bg-card: #141414;
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;
  --font-main: 'Yuji Syuku', serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;700;900&family=Yuji+Syuku&display=swap');

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* Header Navbar */
.nav-header {
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

.logo-link {
  font-family: var(--font-main);
  font-size: 1.4rem;
  color: var(--secondary);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-main);
  text-decoration: none;
  margin-left: 1.5rem;
  transition: color 0.2s var(--ease);
}
.nav-links a:hover {
  color: var(--primary);
}

/* Container */
.content-wrapper {
  max-width: 760px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

/* Page Title (H1) */
.page-title {
  font-family: var(--font-main);
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: #fff;
  line-height: 1.3;
  margin-bottom: 2.5rem;
  border-left: 4px solid var(--primary);
  padding-left: 1.2rem;
}

/* Articles List (Hub) */
.article-hub-list {
  list-style: none;
  margin-top: 3rem;
}

.article-hub-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 6px;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: all 0.3s var(--ease);
}
.article-hub-item:hover {
  transform: translateY(-3px);
  border-color: var(--secondary);
  box-shadow: 0 10px 25px rgba(212, 175, 55, 0.1);
}

.item-meta {
  font-size: 0.75rem;
  color: var(--secondary);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

.item-title {
  font-family: var(--font-main);
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.item-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.btn-readmore {
  display: inline-block;
  color: var(--secondary);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  transition: transform 0.2s var(--ease);
}
.btn-readmore:hover {
  transform: translateX(5px);
  color: #fff;
}

/* Article Body */
.post-meta {
  font-size: 0.8rem;
  color: var(--secondary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.post-content {
  margin-top: 3rem;
  font-size: 1.05rem;
  font-weight: 300;
}

.post-content h2 {
  font-family: var(--font-main);
  font-size: 1.8rem;
  color: #fff;
  margin-top: 3.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 0.5rem;
}

.post-content h3 {
  font-family: var(--font-main);
  font-size: 1.4rem;
  color: var(--secondary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.post-content p {
  margin-bottom: 2rem;
}

.post-content ul, .post-content ol {
  margin-left: 1.5rem;
  margin-bottom: 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

/* CTA Card */
.article-cta-card {
  background: linear-gradient(135deg, #111 0%, #1c1c1c 100%);
  border: 1px solid var(--secondary);
  border-radius: 8px;
  padding: 2.5rem;
  margin-top: 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.article-cta-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background: var(--primary);
}

.cta-tag {
  font-size: 0.75rem;
  color: var(--secondary);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.cta-heading {
  font-family: var(--font-main);
  font-size: 1.8rem;
  color: #fff;
  margin: 1rem 0;
}

.cta-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.btn-cta {
  display: inline-block;
  padding: 0.8rem 2rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 4px;
  transition: all 0.2s var(--ease);
}

.btn-cta-primary {
  background: var(--primary);
  color: #fff;
}
.btn-cta-primary:hover {
  background: #fff;
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-cta-secondary {
  border: 1px solid var(--secondary);
  color: var(--secondary);
}
.btn-cta-secondary:hover {
  background: var(--secondary);
  color: #000;
  transform: translateY(-2px);
}

/* Back Link */
.back-link-wrap {
  margin-top: 4rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 2rem;
}
.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s var(--ease);
}
.back-link:hover {
  color: var(--secondary);
}

/* Footer */
.articles-footer {
  text-align: center;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.5;
}

@media (max-width: 600px) {
  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
  }
}