:root {
  --bg: #0a0e14;
  --bg-soft: #11161f;
  --card: #131a24;
  --border: #1f2937;
  --text: #e6edf3;
  --muted: #8b97a7;
  --accent: #39d353;
  --accent-soft: rgba(57, 211, 83, 0.12);
  --accent-2: #58a6ff;
  --radius: 14px;
  --maxw: 860px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.accent { color: var(--accent); }

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(57, 211, 83, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 211, 83, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
  pointer-events: none;
}

/* HERO */
.hero {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
}

.brand { color: var(--accent); font-weight: 700; }

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 22px;
  transition: color 0.18s;
}
.nav-links a:hover { color: var(--text); }

.hero-content { padding-top: 72px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.hero-photo img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(57, 211, 83, 0.4);
  box-shadow: 0 0 0 6px rgba(57, 211, 83, 0.07), 0 18px 50px rgba(0, 0, 0, 0.5);
}

.role {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-2);
  font-size: 1.05rem;
  margin-top: 6px;
}

.prompt {
  font-family: 'JetBrains Mono', monospace;
  color: var(--muted);
  margin-bottom: 12px;
  font-size: 1rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  background: linear-gradient(180deg, #fff, #9fb0c3);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline { margin: 18px 0 10px; display: flex; flex-wrap: wrap; gap: 10px; }

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(57, 211, 83, 0.25);
  padding: 5px 12px;
  border-radius: 999px;
}

.lede {
  color: var(--muted);
  max-width: 620px;
  font-size: 1.12rem;
  margin-top: 14px;
}
.lede strong { color: var(--text); }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.btn {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 10px;
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--muted); }

.btn.primary {
  background: var(--accent);
  color: #06210d;
  border-color: var(--accent);
  font-weight: 700;
}
.btn.primary:hover { background: #4ae667; box-shadow: 0 8px 24px rgba(57, 211, 83, 0.25); }

/* SECTIONS */
main { position: relative; z-index: 1; }

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 24px;
}

.section-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  margin-bottom: 26px;
  letter-spacing: -0.01em;
}

/* CARDS */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color 0.2s, transform 0.2s;
}
.card.feature:hover { border-color: rgba(57, 211, 83, 0.4); transform: translateY(-3px); }

.card-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

.badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(57, 211, 83, 0.2);
}
.badge.muted { background: var(--bg-soft); color: var(--muted); border-color: var(--border); }

.card h3 {
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.subtitle { color: var(--accent-2); font-family: 'JetBrains Mono', monospace; font-size: 0.95rem; margin-bottom: 14px; }

.authors { color: var(--muted); font-size: 0.95rem; margin-bottom: 16px; }
.authors strong { color: var(--text); }

.abstract { color: var(--muted); margin-bottom: 22px; }
.abstract em { color: var(--text); font-style: italic; }

/* BLOG */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.blog-card:hover { border-color: rgba(57, 211, 83, 0.4); transform: translateY(-3px); }
.blog-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.blog-card .abstract { margin-bottom: 16px; font-size: 0.95rem; }
.blog-more {
  margin-top: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
}
.blog-card code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text);
}

/* TIMELINE */
.timeline { list-style: none; position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
}
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -26px; top: 7px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.tl-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.tl-head h3 { font-size: 1.15rem; }
.tl-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
}
.tl-org { color: var(--accent); font-family: 'JetBrains Mono', monospace; font-size: 0.88rem; margin: 2px 0 8px; }
.tl-desc { color: var(--muted); font-size: 0.98rem; }

/* TWO COLUMN */
.two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
}
.block-title { font-size: 1.1rem; margin-bottom: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 11px;
  border-radius: 7px;
}

.plain-list { list-style: none; }
.plain-list li {
  padding: 7px 0 7px 18px;
  position: relative;
  color: var(--text);
  font-size: 0.95rem;
}
.plain-list li::before { content: "▹"; color: var(--accent); position: absolute; left: 0; }
.muted-text { color: var(--muted); font-size: 0.85rem; }

/* CVE GRID */
.cve-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}
.cve {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.cve-id { font-family: 'JetBrains Mono', monospace; color: var(--accent); font-weight: 700; font-size: 0.9rem; }
.cve-desc { color: var(--muted); font-size: 0.88rem; }

/* CONTACT */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.18s, transform 0.18s;
}
.link-card:hover { border-color: var(--accent); transform: translateY(-3px); }

.link-icon { font-size: 1.6rem; }
.link-label { color: var(--text); font-weight: 600; }
.link-handle { color: var(--muted); font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; }

/* FOOTER */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 48px 24px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

@media (max-width: 720px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-photo { order: -1; }
  .hero-photo img { width: 150px; height: 150px; }
  .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero-content { padding-top: 48px; }
  .card { padding: 22px; }
}