:root {
  --bg: #0A0E14;
  --surface: #11161F;
  --surface-2: #171E29;
  --border: #232B38;
  --text: #E8ECF1;
  --text-dim: #8B96A5;
  --accent: #5B8DEF;
  --accent-soft: rgba(91,141,239,0.12);
  --good: #34D399;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
}

.topbar {
  position: sticky;
  top: 0;
  background: rgba(10,14,20,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.topbar-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
}
.brand { color: var(--text); font-weight: 600; letter-spacing: 0.02em; }
.nav { display: flex; gap: 20px; }
.nav a { color: var(--text-dim); text-decoration: none; font-size: 13px; transition: color 0.15s ease; }
.nav a:hover, .nav a.active { color: var(--accent); }
.status { display: flex; align-items: center; gap: 7px; color: var(--text-dim); }
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 10px var(--good);
}

main { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 44px;
  padding: 72px 0 48px;
  align-items: center;
}
.hero-photo {
  width: 168px; height: 168px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
}
.hero-photo::before {
  content: "";
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 65%);
  opacity: 0.25;
  z-index: -1;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-photo.no-photo { display: flex; align-items: center; justify-content: center; }
.hero-photo.no-photo::after {
  content: "photo";
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 12px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent);
  margin: 0 0 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
h1 { font-family: var(--font-display); font-size: 38px; margin: 0 0 6px; font-weight: 600; letter-spacing: -0.01em; }
.accent { color: var(--accent); }
.role { font-size: 16px; color: var(--text-dim); margin: 0 0 14px; font-weight: 500; }
.tagline { color: var(--text); margin: 0 0 26px; max-width: 46ch; font-size: 15px; }

.stat-row { display: flex; gap: 28px; margin-bottom: 28px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 24px; color: var(--accent); font-weight: 600; }
.stat-label { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--bg);
  background: var(--accent);
  padding: 11px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(91,141,239,0.35); }
.cta:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* BLOCKS */
.block { padding: 48px 0; border-top: 1px solid var(--border); }

.lead { font-size: 15.5px; color: var(--text); max-width: 68ch; }
.lead.small { font-size: 14px; color: var(--text-dim); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
}

.section-title { font-family: var(--font-display); font-size: 22px; margin: 0 0 6px; font-weight: 600; }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 20px;
}
.stack-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}
.stack-card h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.stack-card ul { margin: 0; padding-left: 16px; color: var(--text-dim); font-size: 13.5px; }
.stack-card li { margin-bottom: 5px; }

/* TIMELINE */
.timeline { position: relative; margin-top: 24px; padding-left: 28px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--border);
}
.tl-item { position: relative; padding-bottom: 36px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -28px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.tl-item.current .tl-dot { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.tl-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.tl-head h3 { font-size: 16.5px; margin: 0; font-weight: 600; }
.tl-period { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }
.tl-location { font-size: 13px; color: var(--text-dim); margin: 0 0 12px; }
.tl-item ul { margin: 0; padding-left: 18px; font-size: 13.5px; color: var(--text); }
.tl-item li { margin-bottom: 7px; }
.tl-item li::marker { color: var(--accent); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 20px;
}
.cert {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13.5px;
}
.cert-issuer { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-dim); white-space: nowrap; }

.console-title { font-family: var(--font-display); font-size: 22px; margin: 0 0 8px; font-weight: 600; }

.terminal {
  margin-top: 24px;
  background: #0D1218;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.terminal-bar {
  background: var(--surface-2);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.term-dot.red { background: #E0645A; }
.term-dot.yellow { background: #E0C24A; }
.term-dot.green { background: #5AC28A; }
.term-title { margin-left: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }

.terminal-body {
  padding: 18px;
  min-height: 160px;
  max-height: 360px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.line { margin-bottom: 12px; white-space: pre-wrap; }
.line.system { color: var(--text-dim); }
.line.user { color: var(--accent); }
.line.user::before { content: "> "; }
.line.bot { color: var(--text); }
.line.error { color: #E0A85A; }

.terminal-input {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  gap: 8px;
}
.prompt-symbol { color: var(--accent); font-family: var(--font-mono); }
.terminal-input input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.terminal-input button {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  font-size: 13px;
}
.terminal-input button:hover { background: #7BA3F5; }
.terminal-input button:disabled { opacity: 0.5; cursor: not-allowed; }

.footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 24px 60px;
  display: flex;
  justify-content: space-between;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  border-top: 1px solid var(--border);
}
.footer a { color: var(--text-dim); }

.init-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 20px;
}
.init-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}
.init-card h3 {
  font-size: 14.5px;
  margin: 0 0 8px;
  font-weight: 600;
  color: var(--accent);
}
.init-card p { margin: 0; font-size: 13.5px; color: var(--text-dim); }

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(91,141,239,0.3);
  border-radius: 20px;
  padding: 5px 12px;
}

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.cta.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.cta.secondary:hover { box-shadow: none; border-color: var(--accent); color: var(--accent); }

.icon-row { display: flex; gap: 14px; }
.icon-row a {
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.icon-row a:hover { color: var(--accent); border-color: var(--accent); }

.cert-more { margin-top: 12px; }
.cert-more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent);
  list-style: none;
}
.cert-more summary::-webkit-details-marker { display: none; }
.cert-more summary::before { content: "+ "; }
.cert-more[open] summary::before { content: "– "; }

.page-hero {
  padding: 56px 0 24px;
}
.page-hero h1 { font-family: var(--font-display); font-size: 32px; margin: 0 0 8px; font-weight: 600; }
.page-hero p { color: var(--text-dim); max-width: 60ch; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}
.back-link:hover { color: var(--accent); }

@media (max-width: 720px) {
  .init-grid { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-photo { margin: 0 auto; }
  .skill-badges { justify-content: center; }
  .cta-row { justify-content: center; }
  .icon-row { justify-content: center; }
  .stat-row { justify-content: center; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr; }
  .tl-head { justify-content: center; }
  .timeline { padding-left: 24px; text-align: left; }
  .footer { flex-direction: column; gap: 8px; text-align: center; }
}