/* ---------- tokens ---------- */
:root{
  --bg: #0B120F;
  --bg-raise: #0F1815;
  --panel: #121C19;
  --panel-border: #223129;
  --text: #E7EFE9;
  --text-dim: #8CA096;
  --text-faint: #587065;
  --accent: #FFB020;
  --accent-dim: #8a6a2c;
  --teal: #4FD1C0;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'IBM Plex Sans', -apple-system, sans-serif;
  --nav-w: 250px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 34px 34px;
}

a{ color: var(--accent); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible{ outline: 2px solid var(--teal); outline-offset: 2px; }

code, .cmd, .mono{ font-family: var(--mono); }

/* ---------- layout shell ---------- */
main{
  margin-left: var(--nav-w);
  padding: 0 56px 40px 56px;
  max-width: 1200px;
}

.section{
  padding: 90px 0 30px 0;
  border-bottom: 1px dashed var(--panel-border);
}
.section--contact{ border-bottom: none; }

.cmd{
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--teal);
  margin: 0 0 26px 0;
  letter-spacing: 0.01em;
}

.panel{
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 28px 30px;
}

.lede{ color: var(--text); font-size: 1.08rem; margin-top: 0; }
p{ color: var(--text-dim); max-width: 68ch; }
/* Panel paragraphs (About section) fill the panel's own width instead of
   wrapping at a fixed ch-count well short of the box border — the panel
   itself is already width-bounded by main's max-width: 1200px. */
.panel .lede, .panel p{ max-width: none; }

.stack-row{ display:flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.stack-row span{
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--teal);
  border: 1px solid var(--panel-border);
  padding: 4px 10px;
  background: var(--bg-raise);
}

/* ---------- pipeline nav (desktop) ---------- */
.pipeline{
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--nav-w);
  padding: 48px 0 28px 40px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--panel-border);
}

.pipeline__track{
  position: absolute;
  left: 45px;
  top: 66px;
  bottom: 90px;
  width: 2px;
  background: var(--panel-border);
}
.pipeline__fill{
  position: absolute;
  top: 0; left: 0; width: 100%;
  height: 0%;
  background: linear-gradient(var(--accent), var(--teal));
  transition: height 0.25s ease-out;
}

.pipeline__nodes{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
  flex: 1;
}
.pipeline__nodes a{
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-faint);
  text-decoration: none;
  position: relative;
}
.pipeline__nodes a:hover{ color: var(--text-dim); text-decoration: none; }
.pipeline__nodes a code{ font-size: 0.78rem; white-space: nowrap; }

.node{
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--text-faint);
  flex-shrink: 0;
  z-index: 1;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.pipeline__nodes a.active{ color: var(--accent); }
.pipeline__nodes a.active code{ font-weight: 600; }
.pipeline__nodes a.active .node{
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,176,32,0.15);
}

.pipeline__status{
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot-live{
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(79,209,192,0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(79,209,192,0.5); }
  70%{ box-shadow: 0 0 0 7px rgba(79,209,192,0); }
  100%{ box-shadow: 0 0 0 0 rgba(79,209,192,0); }
}

/* ---------- mobile bottom bar ---------- */
.mobilebar{ display: none; }

/* ---------- hero ---------- */
.hero{
  padding-top: 60px;
  border-bottom: 1px dashed var(--panel-border);
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.terminal{
  background: var(--bg-raise);
  border: 1px solid var(--panel-border);
  width: 100%;
  margin-bottom: 44px;
}
.terminal__bar{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--panel-border);
}
.tdot{ width: 10px; height: 10px; border-radius: 50%; display:inline-block; }
.tdot--r{ background: #5f4444; }
.tdot--y{ background: #6b5c3a; }
.tdot--g{ background: #3f5c47; }
.terminal__title{
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-left: 8px;
}
.terminal__body{
  font-family: var(--mono);
  font-size: 0.88rem;
  padding: 20px 22px 26px;
  min-height: 190px;
  color: var(--text-dim);
  white-space: pre-wrap;
}
.terminal__body .prompt{ color: var(--teal); }
.terminal__body .out{ color: var(--text); }
.terminal__body .muted{ color: var(--text-faint); }

.cursor{
  display: inline-block;
  width: 8px; height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink{ 50%{ opacity: 0; } }

.hero__headline{
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.3;
  margin: 0 0 20px 0;
  color: var(--text);
}
.hero__sub{
  max-width: 90ch;
  font-size: 1.05rem;
  color: var(--text-dim);
}
.hero__cta{ display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.btn{
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
  border: 1px solid var(--panel-border);
  padding: 12px 20px;
  background: var(--bg-raise);
  text-decoration: none;
  display: inline-block;
  transition: border-color .15s, color .15s;
}
.btn:hover{ border-color: var(--teal); color: var(--teal); text-decoration: none; }
.btn--primary{ border-color: var(--accent); color: var(--accent); }
.btn--primary:hover{ background: var(--accent); color: var(--bg); }

/* ---------- kpi grid ---------- */
.grid{ display: grid; gap: 18px; }
.grid--kpi{ grid-template-columns: repeat(4, 1fr); }

.kpi{
  border: 1px solid var(--panel-border);
  background: var(--panel);
  padding: 22px 18px;
}
.kpi__num{
  font-family: var(--mono);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--accent);
}
.kpi__label{
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 8px;
  line-height: 1.45;
}

/* ---------- experience / commit log ---------- */
.commitlog{
  list-style: none;
  margin: 0; padding: 0;
  position: relative;
}
.commitlog::before{
  content: "";
  position: absolute;
  left: 5px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--panel-border);
}
.commit{
  position: relative;
  padding-left: 34px;
  margin-bottom: 42px;
}
.commit::before{
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--teal);
}
.commit__hash{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
}
.commit__title{
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 4px;
}
.commit__title .at{ color: var(--text-faint); font-weight: 400; font-style: italic; }
.commit__sub{
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-faint);
  margin: 6px 0 14px 0;
}
.difflist{ list-style: none; margin: 0; padding: 0; }
.difflist li{
  color: var(--text-dim);
  font-size: 0.95rem;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}
.plus{
  color: var(--teal);
  font-family: var(--mono);
  position: absolute;
  left: 0;
}

/* ---------- projects ---------- */
.grid--projects{ grid-template-columns: repeat(3, 1fr); }
.card{
  border: 1px solid var(--panel-border);
  background: var(--panel);
  padding: 22px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.card__title{
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
  overflow-wrap: break-word;
  word-break: break-word;
}
.card__desc{ font-size: 0.9rem; margin: 0 0 12px 0; color: var(--text-dim); }
.card__impact{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--teal);
  margin: 0 0 14px 0;
}
.tagrow{ display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tagrow span{
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  border: 1px solid var(--panel-border);
  padding: 3px 8px;
}

/* ---------- skills tree ---------- */
.tree{
  font-family: var(--mono);
  font-size: 0.92rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 26px 28px;
  margin: 0 0 22px 0;
}
.tree__row{
  display: grid;
  grid-template-columns: 26px 150px 1fr;
  gap: 4px 14px;
  padding: 7px 0;
}
.tree__row--root{ padding-bottom: 12px; }
.tree__branch{ color: var(--text-faint); }
.tree__name{ color: var(--text); font-weight: 600; }
.tree__desc{ color: var(--text-dim); line-height: 1.5; }
/* ---------- contact ---------- */
.contact-panel{ margin-bottom: 30px; }
.fields{ margin: 0; }
.field{
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.95rem;
}
.field:last-child{ border-bottom: none; }
.field dt{
  font-family: var(--mono);
  color: var(--text-faint);
  font-size: 0.82rem;
}
.field dd{ margin: 0; color: var(--text); }

.footer{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  padding: 30px 0 10px;
}

/* ---------- responsive ---------- */
@media (max-width: 1080px){
  .grid--kpi{ grid-template-columns: repeat(2, 1fr); }
  .grid--projects{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px){
  :root{ --nav-w: 0px; }
  .pipeline{ display: none; }
  main{ margin-left: 0; padding: 0 22px 90px 22px; }
  .section{ padding: 60px 0 24px 0; }
  .mobilebar{
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 20;
    background: var(--bg-raise);
    border-top: 1px solid var(--panel-border);
    overflow-x: auto;
    padding: 10px 12px;
    gap: 20px;
  }
  .mobilebar a{
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    white-space: nowrap;
    text-decoration: none;
  }
  .mobilebar a.active{ color: var(--accent); }
  .field{ grid-template-columns: 90px 1fr; }
}

@media (max-width: 600px){
  .grid--kpi{ grid-template-columns: 1fr 1fr; }
  .grid--projects{ grid-template-columns: 1fr; }
  .hero{ min-height: auto; padding-top: 40px; }
  .tree__row{ grid-template-columns: 20px 1fr; }
  .tree__desc{ grid-column: 1 / -1; padding-left: 34px; }
}