/* NRmine Static Site — Blockchain & DeFi Services */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0f;
  --dark: #13131a;
  --card: #1a1a24;
  --border: #2a2a3a;
  --accent: #6c63ff;
  --accent2: #00d4aa;
  --text: #e0e0f0;
  --muted: #8888aa;
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--text);
  font-size: 17px;
  line-height: 1.7;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { color: var(--white); text-decoration: underline; }

/* ─── NAV ─── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 60px;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}

.nav-links a:hover, .nav-links a.active { color: var(--white); }

/* ─── HERO ─── */
.hero {
  padding: 5rem 2rem 4rem;
  max-width: 860px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  border: 1px solid var(--accent2);
  border-radius: 20px;
  padding: 0.2rem 0.8rem;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.2rem;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--white);
  border-radius: 8px;
  padding: 0.7rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}

.btn:hover { opacity: 0.85; transform: translateY(-1px); color: var(--white); text-decoration: none; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--accent); color: var(--white); }

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ─── MAIN LAYOUT ─── */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 2rem 5rem;
}

/* ─── SECTION ─── */
.section { margin-bottom: 4rem; }

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* ─── ARTICLE CONTENT ─── */
.article-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.article-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.5rem 0 0.6rem;
}

.article-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent2);
  margin: 1.2rem 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.article-content p { margin-bottom: 1rem; color: var(--text); }

.article-content ul, .article-content ol {
  margin: 0.75rem 0 1rem 1.5rem;
}

.article-content li { margin-bottom: 0.4rem; }

.article-content a { color: var(--accent2); }

.article-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--card);
  border-radius: 0 8px 8px 0;
  color: var(--muted);
  font-style: italic;
}

.article-content .tweet-embed {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.article-content .tweet-embed p {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.article-content .tweet-embed .tweet-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.article-content figure {
  margin: 1.5rem 0;
  text-align: center;
}

.article-content img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.article-content figcaption {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.article-content .video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  margin: 1.5rem 0;
  background: var(--dark);
}

.article-content .video-embed iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* ─── BLOG CARDS ─── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.blog-card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 0.75rem;
}

.blog-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.blog-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1rem;
}

.blog-card a.read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent2);
  text-decoration: none;
}

.blog-card a.read-more:hover { color: var(--white); }

/* ─── ALLOCATION GRID ─── */
.alloc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.alloc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  text-align: center;
}

.alloc-card .alloc-pct {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--mono);
  display: block;
}

.alloc-card .alloc-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* ─── POST HEADER ─── */
.post-header {
  padding: 4rem 2rem 2rem;
  max-width: 860px;
  margin: 0 auto;
}

.post-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.post-meta .tag {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  color: var(--accent2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
}

.post-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.post-header .lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.65;
}

/* ─── BACK LINK ─── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 2rem;
}

.back-link:hover { color: var(--white); text-decoration: none; }

/* ─── DIVIDER ─── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

/* ─── CONTACT ─── */
.contact-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.contact-box h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.contact-box p { color: var(--muted); margin-bottom: 1.25rem; font-size: 0.95rem; }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--white); text-decoration: none; }

/* ─── RESPONSIVE ─── */
@media (max-width: 600px) {
  nav { gap: 1rem; padding: 0 1rem; }
  .nav-links { gap: 1rem; }
  .hero { padding: 3rem 1rem 2rem; }
  .container { padding: 0 1rem 4rem; }
  .post-header { padding: 2.5rem 1rem 1.5rem; }
  .alloc-grid { grid-template-columns: repeat(2, 1fr); }
}