:root {
  --bg-primary: #0B1F2A;
  --bg-surface: #12303E;
  --bg-surface-hover: #163A4A;
  --ink: #EAF2F0;
  --ink-muted: #8FA8A8;
  --ink-faint: #5C7878;
  --accent-amber: #E8A33D;
  --accent-teal: #57C7B8;
  --accent-moss: #7BA05B;
  --border: rgba(234, 242, 240, 0.1);
  --border-strong: rgba(234, 242, 240, 0.18);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 3px;
}

/* console bar */
.console-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #081720;
  border-bottom: 1px solid var(--border);
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  flex-wrap: wrap;
}

.console-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-teal);
  box-shadow: 0 0 8px var(--accent-teal);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.console-sep { color: var(--ink-faint); }
#uptime { color: var(--accent-amber); }

/* nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 6vw;
  position: sticky;
  top: 0;
  background: rgba(11, 31, 42, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10;
  border-bottom: 1px solid transparent;
}

.nav-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--accent-amber);
}

.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
}

.nav-links a { transition: color 0.2s ease; }
.nav-links a:hover { color: var(--accent-teal); }

/* hero */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 0 6vw;
}

.hero-inner { max-width: 780px; }

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-teal);
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.1;
  margin-bottom: 22px;
  min-height: 1.2em;
}

.cursor {
  display: inline-block;
  color: var(--accent-amber);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 32px;
  margin-bottom: 44px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-amber);
}

.stat-label {
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 13px 24px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: inline-block;
}

.btn-primary {
  background: var(--accent-amber);
  color: #12222A;
  font-weight: 600;
}
.btn-primary:hover { background: #f0b354; transform: translateY(-1px); }

.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent-teal); color: var(--accent-teal); }

.btn-small { padding: 10px 18px; margin-top: 8px; }

/* sections */
.section {
  padding: 100px 6vw;
  border-top: 1px solid var(--border);
}

.section-head { margin-bottom: 48px; }

.section-tag {
  font-family: var(--font-mono);
  color: var(--accent-teal);
  font-size: 13px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-top: 8px;
}

.section-note {
  color: var(--ink-muted);
  font-size: 14px;
  margin-top: 10px;
}

.log-content {
  max-width: 720px;
  color: var(--ink-muted);
  font-size: 1.02rem;
}
.log-content p { margin-bottom: 18px; }

.log-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--border-strong);
  padding: 6px 12px;
  border-radius: 20px;
  color: var(--ink-muted);
}

/* project system logs */
.sys-log {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.sys-log:last-child { border-bottom: 1px solid var(--border); }

.sys-id {
  font-family: var(--font-mono);
  color: var(--ink-faint);
  font-size: 13px;
  padding-top: 4px;
}

.sys-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.sys-top h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
}

.status {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.03em;
}

.status-live { background: rgba(87, 199, 184, 0.15); color: var(--accent-teal); }
.status-dev { background: rgba(232, 163, 61, 0.15); color: var(--accent-amber); }

.sys-desc {
  color: var(--ink-muted);
  max-width: 640px;
  margin-bottom: 16px;
}

.sys-specs {
  list-style: none;
  margin-bottom: 18px;
}

.sys-specs li {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-faint);
  padding-left: 18px;
  position: relative;
  margin-bottom: 6px;
}

.sys-specs li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-moss);
}

.sys-links { display: flex; gap: 20px; }

.sys-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-teal);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.sys-link:hover { border-color: var(--accent-teal); }

/* commit list */
.commit-list { margin-bottom: 24px; }

.commit-row {
  display: grid;
  grid-template-columns: 90px 110px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 13px;
  align-items: baseline;
}

.commit-hash { color: var(--accent-amber); }
.commit-repo { color: var(--accent-teal); }
.commit-msg { color: var(--ink-muted); font-family: var(--font-body); }

/* signals */
.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.signal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

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

.signal-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--accent-amber);
  font-weight: 600;
}

.signal-label {
  color: var(--ink-muted);
  font-size: 13.5px;
}

/* footer */
.footer {
  padding: 90px 6vw 50px;
  border-top: 1px solid var(--border);
  background: #081720;
}

.footer-inner { max-width: 600px; }

.footer h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 14px;
}

.footer p { color: var(--ink-muted); margin-bottom: 30px; }

.footer-links {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 14px;
  margin-bottom: 40px;
}

.footer-links a { color: var(--accent-teal); }
.footer-links a:hover { text-decoration: underline; }

.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

/* responsive */
@media (max-width: 720px) {
  .nav-links { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .sys-log { grid-template-columns: 1fr; }
  .commit-row { grid-template-columns: 70px 90px 1fr; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}