@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root{
  --ink: #14171C;
  --ink-2: #1B2027;
  --ink-3: #232933;
  --paper: #E7E3D6;
  --paper-dim: #9AA0A6;
  --signal: #F2A93B;
  --signal-dim: #8C6A2E;
  --teal: #2AA79B;
  --line: #2C333D;
  --radius: 4px;
  --page-max: 1120px;
  --page-pad: clamp(24px, 5vw, 40px);
  --page-inline: max(var(--page-pad), calc((100% - var(--page-max)) / 2));
}

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

html{ scroll-behavior: smooth; }

body{
  background: var(--ink);
  color: var(--paper);
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before{
  content:'';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
}

.mono{ font-family: 'JetBrains Mono', monospace; }

/* ---------- Header ---------- */
header{
  position: relative;
  z-index: 2;
  display:flex;
  align-items:center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px 24px;
  padding: 28px var(--page-inline);
  border-bottom: 1px solid var(--line);
}

.wordmark{
  font-family:'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.14em;
  display:flex;
  align-items:center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.wordmark .dot{
  width:8px; height:8px; border-radius:50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(242,169,59,0.15);
  animation: pulse 2.4s ease-in-out infinite;
  flex-shrink:0;
}

@keyframes pulse{
  0%,100%{ box-shadow: 0 0 0 3px rgba(242,169,59,0.15); }
  50%{ box-shadow: 0 0 0 6px rgba(242,169,59,0.06); }
}

@media (prefers-reduced-motion: reduce){
  .wordmark .dot{ animation:none; }
}

nav{
  display:flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}

nav a{
  color: var(--paper-dim);
  text-decoration:none;
  font-size: 13px;
  font-family:'JetBrains Mono', monospace;
  letter-spacing:0.03em;
  transition: color 0.2s ease;
}
nav a:hover, nav a:focus-visible{ color: var(--signal); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  z-index:2;
  padding: 9vh var(--page-inline) 8vh;
}

.eyebrow{
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 22px;
  display:flex;
  align-items:center;
  gap: 10px;
}
.eyebrow::before{
  content:'';
  width: 22px; height: 1px;
  background: var(--teal);
}

h1{
  font-family:'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 15ch;
}

h1 .accent{ color: var(--signal); }

.hero p{
  margin-top: 26px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--paper-dim);
  max-width: 52ch;
}

/* Signal trace signature element */
.trace-wrap{
  margin-top: 56px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  position: relative;
}
.trace-wrap svg{ display:block; width:100%; height:64px; }

.trace-path{
  fill:none;
  stroke: var(--signal);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 6 4;
  animation: dash 18s linear infinite;
  opacity: 0.85;
}
@keyframes dash{ to{ stroke-dashoffset: -1000; } }

.trace-label{
  position:absolute;
  right:0; top: -9px;
  background: var(--ink);
  padding: 0 8px;
  font-family:'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--paper-dim);
}

@media (prefers-reduced-motion: reduce){
  .trace-path{ animation:none; stroke-dasharray:none; }
}

/* ---------- Projects ---------- */
.projects{
  position:relative; z-index:2;
  padding: 4vh var(--page-inline) 12vh;
}

.section-head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}

.section-head h2{
  font-family:'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
}
.section-head span{
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--paper-dim);
}

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 720px){
  .grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card.placeholder{ grid-column: 1 / -1; }
}

@media (min-width: 1080px){
  .grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .card.placeholder{ grid-column: span 2; }
}

.card{
  background: var(--ink-2);
  padding: 30px 28px 28px;
  position: relative;
  transition: background 0.25s ease;
}
.card:hover{ background: var(--ink-3); }

.card::before, .card::after{
  content:'';
  position:absolute;
  width:5px; height:5px;
  border-radius:50%;
  background: var(--line);
  top: 12px;
}

.card::before{ left:12px; }
.card::after{ right:12px; }

.status{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-family:'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 100px;
  margin-bottom: 20px;
}
.status .led{ width:6px; height:6px; border-radius:50%; }

.status.active{ color: var(--teal); }
.status.active .led{ background: var(--teal); box-shadow: 0 0 6px var(--teal); }

.status.lab{ color: var(--signal-dim); }
.status.lab .led{ background: var(--signal-dim); }

.card h3{
  font-family:'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--paper);
}

.card p{
  font-size: 14.5px;
  color: var(--paper-dim);
  line-height: 1.65;
  margin-bottom: 22px;
}

.tags{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tags span{
  font-family:'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--paper-dim);
  border: 1px solid var(--line);
  padding: 4px 9px;
  border-radius: var(--radius);
}

.more{
  display:inline-block;
  margin-top: 22px;
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--signal);
  text-decoration: none;
  transition: color 0.2s ease;
}
.more:hover, .more:focus-visible{ color: #ffbc5c; }
.more:focus-visible{ outline: 2px solid var(--paper); outline-offset: 2px; }

.card.placeholder{
  display:flex;
  flex-direction: column;
  align-items:flex-start;
  justify-content: center;
  color: var(--paper-dim);
}
.card.placeholder h3{ color: var(--paper-dim); }
.card.placeholder .status{ opacity: 0.6; }

/* ---------- Brief / lab note ---------- */
.brief{
  position:relative;
  z-index:2;
  padding: 8vh var(--page-inline) 12vh;
}

.brief > *{
  max-width: 740px;
}

.brief h1{
  max-width: 18ch;
  font-size: clamp(28px, 4.4vw, 48px);
}

.lede{
  margin-top: 26px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.brief h2{
  font-family:'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.brief p{
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper-dim);
  margin-bottom: 16px;
}

.planes{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 8px 0 28px;
}

.plane{
  background: var(--ink-2);
  padding: 22px 20px;
}

.plane h3{
  font-family:'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--paper);
}

.plane p{
  font-size: 13.5px;
  margin: 0;
  line-height: 1.6;
  max-width: none;
}

.planes-3{
  grid-template-columns: repeat(3, 1fr);
}

.planes-fill{
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

@media (max-width: 720px){
  .planes-3{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .planes{ grid-template-columns: 1fr; }
}

.flow{
  font-family:'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--paper-dim);
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 18px 20px;
  margin: 8px 0 8px;
  overflow-x: auto;
  white-space: pre;
}

pre{
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 20px 22px;
  overflow-x: auto;
  font-family:'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--paper);
  margin: 8px 0 24px;
  border-radius: var(--radius);
}

.back{
  display:inline-block;
  margin-top: 40px;
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--signal);
  text-decoration: none;
}
.back:hover, .back:focus-visible{ color: #ffbc5c; }

/* ---------- Footer / updates ---------- */
footer{
  position:relative; z-index:2;
  border-top: 1px solid var(--line);
  padding: 6vh var(--page-inline);
  display:flex;
  justify-content: space-between;
  align-items:flex-end;
  flex-wrap: wrap;
  gap: 30px;
}

.updates h4{
  font-family:'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--paper);
}
.updates p{
  font-size: 13.5px;
  color: var(--paper-dim);
  max-width: 40ch;
  margin-bottom: 18px;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  font-family:'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--signal);
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  cursor:pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover, .btn:focus-visible{ background: #ffbc5c; transform: translateY(-1px); }
.btn:focus-visible{ outline: 2px solid var(--paper); outline-offset:2px; }

.meta{
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--paper-dim);
  text-align: right;
}
.meta div{ margin-bottom: 6px; }

@media (max-width: 640px){
  .wordmark{
    font-size: 13px;
    letter-spacing: 0.1em;
  }
  .hero p{ font-size: 16px; }
  .meta{ text-align: left; }
}