:root {
  --ink: #12161f;
  --ink-2: #1a2029;
  --ink-3: #212836;
  --text: #e7e9e4;
  --text-dim: #97a0ab;
  --amber: #e3a83b;
  --teal: #5b9e9b;
  --line: rgba(231, 233, 228, 0.12);
  --line-strong: rgba(231, 233, 228, 0.24);
  --radius: 3px;
  --content-w: 720px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .mono {
  font-family: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  margin: 0;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--amber); }

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

img { max-width: 100%; display: block; }

ul { list-style: none; margin: 0; padding: 0; }

.prose {
  max-width: 62ch;
  color: var(--text-dim);
  margin: 0 0 14px;
}
.prose:last-child { margin-bottom: 0; }

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(18, 22, 31, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__name {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  font-size: 0.95rem;
}
.topbar__nav { display: flex; gap: 20px; font-size: 0.9rem; }
.topbar__nav a { color: var(--text-dim); }
.topbar__nav a:hover { color: var(--amber); }
.topbar__nav a.is-active { color: var(--text); }

/* Page header (sub-pages) */
.page-header { padding: 64px 24px 48px; border-bottom: 1px solid var(--line); }
.page-header__inner { max-width: var(--content-w); margin: 0 auto; }
.page-header h1 {
  font-size: clamp(1.7rem, 3.6vw, 2.3rem);
  font-weight: 500;
  margin: 12px 0 12px;
}
.page-header p { color: var(--text-dim); max-width: 56ch; margin: 0; }

.inline-link {
  color: var(--teal);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}
.inline-link:hover { color: var(--amber); border-color: var(--amber); }

/* Hero */
.hero { padding: 72px 24px 56px; border-bottom: 1px solid var(--line); }
.hero__inner { max-width: var(--content-w); margin: 0 auto; }

.hero__headline {
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: 18ch;
  margin-bottom: 20px;
}

.hero__sub {
  color: var(--text-dim);
  max-width: 52ch;
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.terminal {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  max-width: 560px;
  margin-bottom: 32px;
}
.terminal__bar {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.terminal__bar span {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--line-strong);
}
.terminal__body {
  margin: 0;
  padding: 16px 18px 20px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-dim);
  white-space: pre-wrap;
  min-height: 148px;
}
.terminal__body .ok { color: var(--teal); }
.terminal__cursor {
  display: inline-block;
  width: 7px; height: 1em;
  background: var(--amber);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 22px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text);
  transition: border-color 150ms ease, background 150ms ease;
}
.btn:hover { border-color: var(--teal); color: var(--text); background: var(--ink-2); }
.btn--primary {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 600;
}
.btn--primary:hover { background: #edb650; border-color: #edb650; color: var(--ink); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.status__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Layout / rail */
.layout {
  position: relative;
  max-width: calc(var(--content-w) + 56px);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 32px 1fr;
  column-gap: 24px;
}

.rail-line {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 39px;
  width: 2px;
  background: var(--line);
}

.rail-dot {
  align-self: start;
  justify-self: center;
  width: 10px;
  height: 10px;
  margin-top: 58px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--teal);
  position: relative;
  z-index: 1;
}

.stage {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.stage:last-of-type { border-bottom: none; }

.stage__tag {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--teal);
  margin-bottom: 14px;
}

.stage__title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 14px;
}

/* Pipeline cards */
.cards { display: flex; flex-direction: column; gap: 20px; margin-top: 28px; }

.card {
  border: 1px solid var(--line);
  background: var(--ink-2);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.card__head h3 { font-size: 1.05rem; font-weight: 500; }
.card__link {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  color: var(--teal);
  white-space: nowrap;
}
.card__link:hover { color: var(--amber); }
.card__meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.card p { color: var(--text-dim); margin: 14px 0 16px; max-width: 64ch; }

.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
}
.flow__box {
  border: 1px solid var(--line-strong);
  background: var(--ink-3);
  padding: 6px 10px;
  border-radius: 2px;
  color: var(--text);
}
.flow__arrow { color: var(--teal); font-size: 1rem; }

.vs { display: flex; align-items: center; gap: 14px; font-family: "IBM Plex Mono", monospace; font-size: 0.85rem; }
.vs__box {
  border: 1px solid var(--line-strong);
  background: var(--ink-3);
  padding: 8px 14px;
  border-radius: 2px;
}
.vs__mid {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--amber);
  color: var(--amber);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  flex-shrink: 0;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  padding: 3px 9px;
}

/* Applied systems */
.applied-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 32px;
  margin-top: 28px;
}
.applied-item {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
}
.applied-item h3 { font-size: 1rem; font-weight: 500; margin-bottom: 8px; }
.applied-item h3 a:hover { color: var(--amber); }
.applied-item p { color: var(--text-dim); margin: 0 0 12px; font-size: 0.95rem; }

/* More projects rows */
.rows { margin-top: 24px; }
.row {
  padding: 16px 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
}
.row:last-child { border-bottom: 1px solid var(--line); }
.row a {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  font-weight: 500;
  flex-shrink: 0;
}
.row a:hover { color: var(--amber); }
.row p { color: var(--text-dim); margin: 0; font-size: 0.92rem; }
.row__private {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  flex-shrink: 0;
}

/* Stack */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 28px;
  margin-top: 28px;
}
.stack-group h3 {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 12px;
}

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 24px; margin-top: 28px; }
.timeline__item { border-left: 2px solid var(--teal); padding-left: 16px; }
.timeline__item h3 { font-size: 1rem; font-weight: 500; margin-bottom: 6px; }
.timeline__item p { color: var(--text-dim); margin: 0; max-width: 60ch; }

/* Contact */
.contact-links { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; font-family: "IBM Plex Mono", monospace; font-size: 0.95rem; }
.contact-links a { width: fit-content; }
.contact-links a:hover { color: var(--amber); }
.contact-links--big { gap: 16px; font-size: 1.15rem; margin-top: 8px; }

.layout--single { grid-template-columns: 1fr; padding-top: 8px; }
.layout--single .stage { border-bottom: none; padding-top: 24px; }

.footer {
  text-align: center;
  padding: 40px 24px 56px;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.footer__links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 16px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}
.footer__links a:hover { color: var(--amber); }

/* Responsive */
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
  .rail-line, .rail-dot { display: none; }
  .stage { padding: 40px 0; }
  .applied-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 20px 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .status__dot, .terminal__cursor { animation: none; }
}