/* ─── TOKENS ────────────────────────────────────────────── */
:root {
  --bg:        #0a0a0f;
  --surface:   #111118;
  --border:    #1e1e2e;
  --text:      #e2e2ec;
  --muted:     #6b6b82;
  --accent:    #7b61ff;
  --accent2:   #00e5b0;
  --mono:      'Space Mono', monospace;
  --sans:      'Space Grotesk', sans-serif;
}

/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── LAYOUT ─────────────────────────────────────────────── */
.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── HEADER ─────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(8px);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent2);
}
nav { display: flex; gap: 28px; }
nav a {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
nav a:hover { color: var(--text); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  padding: 80px 0 0;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.6;
  margin-bottom: 32px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 64px;
}
.tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 3px;
  letter-spacing: 0.03em;
}
.hero-line {
  height: 1px;
  background: linear-gradient(to right, var(--accent), var(--accent2), transparent);
  margin: 0 24px;
  max-width: calc(780px - 48px);
  margin: 0 auto;
}

/* ─── INVESTIGATIONS ─────────────────────────────────────── */
.investigations {
  padding: 64px 0;
}
.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
}
.inv-card {
  padding: 40px 0;
}
.inv-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.inv-date {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.inv-series {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent2);
  background: rgba(0,229,176,0.08);
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}
.inv-title {
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: #fff;
}
.inv-title a { transition: color 0.2s; }
.inv-title a:hover { color: var(--accent2); }
.inv-summary {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 640px;
}
.inv-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.label {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--accent);
  border: 1px solid rgba(123,97,255,0.25);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.04em;
}
.inv-read {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent2);
  letter-spacing: 0.06em;
  transition: opacity 0.2s;
}
.inv-read:hover { opacity: 0.7; }
.inv-divider {
  height: 1px;
  background: var(--border);
}

/* ─── ABOUT ──────────────────────────────────────────────── */
.about {
  border-top: 1px solid var(--border);
  padding: 64px 0;
}
.about-inner { max-width: 600px; }
.about-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.about-text {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.about-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 28px;
}
.about-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent2);
  transition: opacity 0.2s;
}
.about-link:hover { opacity: 0.7; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}
.footer-handle {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}

/* ─── ARTICLE PAGE ───────────────────────────────────────── */
.article-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
}
.article-back {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  display: inline-block;
  transition: color 0.2s;
}
.article-back:hover { color: var(--text); }
.article-series {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent2);
  background: rgba(0,229,176,0.08);
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 20px;
}
.article-title {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 16px;
}
.article-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 24px;
}
.article-byline {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  gap: 20px;
}
.article-byline span { color: var(--accent); }

.article-body {
  padding: 48px 0 80px;
  max-width: 700px;
}
.article-body p {
  font-size: 1rem;
  line-height: 1.8;
  color: #c8c8d8;
  margin-bottom: 20px;
}
.article-body h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: #fff;
  margin: 48px 0 16px;
  letter-spacing: -0.02em;
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin: 32px 0 12px;
}
.article-body strong { color: #fff; font-weight: 600; }
.article-body em { color: var(--muted); font-style: italic; }
.article-body a { color: var(--accent2); border-bottom: 1px solid rgba(0,229,176,0.25); transition: opacity 0.2s; }
.article-body a:hover { opacity: 0.7; }

.code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 4px;
  margin: 24px 0;
  overflow-x: auto;
}
.code-block pre {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text);
  white-space: pre;
}

.addr-block {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 16px 20px;
  border-radius: 4px;
  margin: 20px 0;
}
.addr-block p {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent2);
  line-height: 1.9;
  margin: 0;
  word-break: break-all;
}

.callout {
  border-left: 3px solid var(--accent2);
  padding: 16px 20px;
  margin: 28px 0;
  background: rgba(0,229,176,0.04);
}
.callout p { color: var(--text); margin: 0; font-size: 0.95rem; }

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.article-nav {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.article-nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent2);
  letter-spacing: 0.06em;
}

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero { padding: 48px 0 0; }
  .hero-title { font-size: 2rem; }
  .inv-title { font-size: 1.2rem; }
  .article-title { font-size: 1.6rem; }
  .site-footer .container { flex-direction: column; gap: 8px; text-align: center; }
  nav { gap: 16px; }
}