/* ============================================================
   INCEPT LABS // dark CAD / drafting interface
   Graphite ground · white linework · amber dimension accent.
   Type: Chakra Petch (display) · JetBrains Mono (technical)
   ============================================================ */

:root {
  --bg:      #0c0e12;
  --bg-2:    #0f1218;
  --panel:   #11151c;
  --line:    rgba(206, 214, 224, 0.09);
  --line-2:  rgba(206, 214, 224, 0.16);

  --ink:     #d4dae2;   /* primary linework / text */
  --ink-dim: #8a93a0;
  --ink-mut: #5a626e;

  --accent:  #f2b042;   /* dimensions, annotations, active */
  --accent-d:#c98a28;

  --maxw: 1240px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: crosshair;
  position: relative;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
svg { display: block; }
::selection { background: var(--accent); color: #1a1204; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: #1c222b; border: 2px solid var(--bg-2); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-d); }

/* ============================================================
   ATMOSPHERE — engineering paper grid
   ============================================================ */
.fx { position: fixed; inset: 0; pointer-events: none; z-index: 0; }

/* fine grid + heavier major gridlines (graph-paper / model space) */
.fx--grid {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(rgba(206,214,224,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(206,214,224,0.045) 1px, transparent 1px);
  background-size: 128px 128px, 128px 128px, 32px 32px, 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 130% 95% at 50% 26%, #000 30%, transparent 82%);
          mask-image: radial-gradient(ellipse 130% 95% at 50% 26%, #000 30%, transparent 82%);
}

.fx--grain {
  z-index: 61; opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.fx--vignette {
  z-index: 1;
  background: radial-gradient(ellipse 120% 120% at 50% 45%, transparent 60%, rgba(0,0,0,0.55) 100%);
}

/* ============================================================
   HEADER
   ============================================================ */
.hud {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: linear-gradient(to bottom, rgba(12,14,18,0.94), rgba(12,14,18,0.55) 70%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  font-size: 11px; letter-spacing: 0.18em;
}
.hud__brand { display: flex; align-items: center; gap: 10px; }
.hud__mark { width: 24px; height: 24px; color: var(--ink); }
.hud__name {
  font-family: "Chakra Petch", sans-serif; font-weight: 700;
  letter-spacing: 0.22em; font-size: 15px; color: var(--ink);
}
.hud__name i { color: var(--accent); font-style: normal; }

.hud__nav { display: flex; gap: 26px; }
.hud__nav a { color: var(--ink-dim); position: relative; transition: color 0.2s; }
.hud__nav a::after {
  content: ""; position: absolute; left: 0; bottom: -5px; width: 0; height: 1px;
  background: var(--accent); transition: width 0.25s var(--ease);
}
.hud__nav a:hover { color: var(--ink); }
.hud__nav a:hover::after { width: 100%; }
.hud__sheet { color: var(--ink-mut); letter-spacing: 0.16em; }

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
main { position: relative; z-index: 2; }
section { padding: 0 clamp(16px, 4vw, 40px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.3em; color: var(--ink-dim);
  text-transform: uppercase;
}
.eyebrow .tick { width: 22px; height: 1px; background: var(--accent); }
.eyebrow .sep { color: var(--ink-mut); }
.eyebrow .node-id { color: var(--accent); }

.hl { color: var(--ink); border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.ok { color: var(--accent); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding-top: clamp(110px, 16vh, 180px); max-width: var(--maxw); margin: 0 auto; }
.hero__grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(20px, 5vw, 64px);
  align-items: center;
}
.hero__copy { max-width: 620px; }

.hero__title {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700; line-height: 0.86; letter-spacing: 0.01em;
  margin: 18px 0 22px; font-size: clamp(64px, 13vw, 168px);
}
.hero__title span { display: block; }
.hero__title .hero__title-2 {
  color: transparent;
  -webkit-text-stroke: 1.3px var(--ink);
  text-stroke: 1.3px var(--ink);
  margin-left: 0.06em;
}

.hero__lead {
  font-family: "Chakra Petch", sans-serif; font-weight: 500;
  font-size: clamp(18px, 2.4vw, 26px); line-height: 1.25; color: var(--ink);
  margin-bottom: 18px; max-width: 32ch;
}
.hero__body { color: var(--ink-dim); font-size: 14px; max-width: 52ch; margin-bottom: 30px; }

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "Chakra Petch", sans-serif; font-weight: 600;
  font-size: 12px; letter-spacing: 0.16em;
  padding: 13px 22px; position: relative; transition: 0.25s var(--ease);
  border: 1px solid transparent;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--accent); color: #1a1204; }
.btn--primary:hover { background: #ffc25e; transform: translateY(-2px); }
.btn--ghost { border-color: var(--line-2); color: var(--ink-dim); }
.btn--ghost:hover { color: var(--ink); border-color: var(--ink-dim); transform: translateY(-2px); }

/* ---- isometric technical figure ---- */
.hero__scope { display: grid; place-items: center; }
.scope { position: relative; width: min(460px, 84vw); aspect-ratio: 1; }
.fig { width: 100%; height: 100%; overflow: visible; }
.fig-frame { fill: none; stroke: var(--line-2); stroke-width: 1; }
.fig-crop path { fill: none; stroke: var(--ink-mut); stroke-width: 1; }
.fig-grid line { stroke: rgba(206,214,224,0.16); stroke-width: 1; }
.fig-edge-in line { stroke: var(--ink-dim); stroke-width: 1; }
.fig-edge { fill: none; stroke: var(--ink); stroke-width: 1.4; stroke-linejoin: round; }
.fig-dim line { stroke: var(--accent); stroke-width: 1; }
.fig-arrow { fill: var(--accent); }
.fig-dim text { fill: var(--accent); font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 1px; }
.fig-lead path { fill: none; stroke: var(--ink-dim); stroke-width: 1; }
.fig-lead circle { fill: var(--accent); }
.fig-lead text { fill: var(--ink-dim); font-family: "JetBrains Mono", monospace; font-size: 9px; letter-spacing: 1.5px; }
.fig-tag { fill: var(--ink-mut); font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 2px; }

/* ---- marquee ---- */
.hero__marquee {
  margin-top: clamp(48px, 8vh, 90px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 14px 0; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee {
  display: flex; align-items: center; gap: 28px; white-space: nowrap;
  width: max-content; animation: marquee 30s linear infinite;
  font-size: 12px; letter-spacing: 0.2em;
}
.marquee span { color: var(--ink-mut); }
.marquee b { color: var(--ink); font-weight: 500; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   SECTION HEAD — dimension-line style
   ============================================================ */
.systems, .notes { max-width: var(--maxw); margin: 0 auto; padding-top: clamp(90px, 14vh, 160px); }
.section-head { display: flex; align-items: center; gap: 18px; margin-bottom: 40px; }
.section-head__idx {
  font-family: "Chakra Petch", sans-serif; font-weight: 700; font-size: 13px;
  color: var(--accent); letter-spacing: 0.1em;
}
.section-head__rule {
  width: 48px; height: 1px; background: var(--line-2); position: relative;
}
.section-head__rule::before, .section-head__rule::after {
  content: ""; position: absolute; top: -3px; width: 1px; height: 7px; background: var(--line-2);
}
.section-head__rule::before { left: 0; }
.section-head__rule::after { right: 0; }
.section-head__title {
  font-family: "Chakra Petch", sans-serif; font-weight: 700;
  font-size: clamp(26px, 4.5vw, 46px); letter-spacing: 0.04em; color: var(--ink);
}
.section-head__meta { font-size: 11px; letter-spacing: 0.2em; color: var(--ink-mut); margin-left: auto; }

/* ============================================================
   PROJECT MODULES — drawing details w/ item balloons
   ============================================================ */
.modules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.module {
  position: relative; background: var(--panel);
  border: 1px solid var(--line-2);
  display: flex; flex-direction: column;
  transition: transform 0.35s var(--ease), border-color 0.35s;
  overflow: hidden;
}
.module:hover { transform: translateY(-3px); border-color: var(--accent); }
.module__hit { position: absolute; inset: 0; z-index: 5; }

.module__viz {
  position: relative; aspect-ratio: 2 / 1; background: var(--bg-2);
  border-bottom: 1px solid var(--line-2); overflow: hidden;
}
.module__shot {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: saturate(0.88) brightness(0.9) contrast(1.03);
  transition: transform 0.5s var(--ease), filter 0.4s;
}
.module:hover .module__shot { transform: scale(1.04); filter: none; }
.module__viz::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(12,14,18,0.06), rgba(12,14,18,0.42));
  transition: opacity 0.4s; opacity: 1;
}
.module:hover .module__viz::after { opacity: 0.3; }

.module__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.module__head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.module__balloon {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--accent); color: var(--accent);
  display: grid; place-items: center;
  font-family: "Chakra Petch", sans-serif; font-weight: 700; font-size: 12px;
}
.module__class { font-size: 10px; letter-spacing: 0.22em; color: var(--ink-mut); }
.module__name {
  font-family: "Chakra Petch", sans-serif; font-weight: 700;
  font-size: clamp(28px, 4vw, 40px); letter-spacing: 0.01em; color: var(--ink);
  margin-bottom: 12px; line-height: 1;
}
.module__desc { font-size: 13.5px; color: var(--ink-dim); margin-bottom: 18px; }
.module__desc b { color: var(--ink); font-weight: 500; }
.module__desc i { color: var(--accent); font-style: italic; }

.module__telemetry { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.stat { display: inline-flex; align-items: baseline; gap: 8px; margin-bottom: 12px; }
.stat__num {
  font-family: "Chakra Petch", sans-serif; font-weight: 700; font-size: 26px;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.stat__lbl { font-size: 10px; letter-spacing: 0.2em; color: var(--ink-mut); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span {
  font-size: 9.5px; letter-spacing: 0.14em; color: var(--ink-dim);
  padding: 4px 9px; border: 1px solid var(--line-2); background: var(--bg);
}

.module__access {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-family: "Chakra Petch", sans-serif; font-weight: 600; font-size: 12px;
  letter-spacing: 0.16em; color: var(--ink-dim); transition: 0.25s;
}
.module__access i { font-style: normal; transition: transform 0.25s var(--ease); }
.module:hover .module__access { color: var(--accent); }
.module:hover .module__access i { transform: translate(4px, -4px); }

/* ============================================================
   GENERAL NOTES
   ============================================================ */
.notes__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.notes__list { list-style: none; counter-reset: note; }
.notes__list li {
  counter-increment: note; position: relative;
  padding: 16px 0 16px 52px; border-top: 1px solid var(--line);
  color: var(--ink-dim); font-size: 15px; line-height: 1.55;
}
.notes__list li:last-child { border-bottom: 1px solid var(--line); }
.notes__list li::before {
  content: counter(note, decimal-leading-zero);
  position: absolute; left: 0; top: 16px;
  font-family: "Chakra Petch", sans-serif; font-weight: 700; font-size: 15px;
  color: var(--accent); letter-spacing: 0.05em;
}

.legend { width: 100%; border-collapse: collapse; border: 1px solid var(--line-2); }
.legend th, .legend td {
  text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top;
}
.legend tr:last-child th, .legend tr:last-child td { border-bottom: none; }
.legend th {
  width: 38%; font-weight: 400; font-size: 9px; letter-spacing: 0.2em;
  color: var(--ink-mut); border-right: 1px solid var(--line);
}
.legend td { font-size: 12px; letter-spacing: 0.06em; color: var(--accent); }

/* ============================================================
   TITLE BLOCK (footer)
   ============================================================ */
.titleblock {
  position: relative; z-index: 2; max-width: var(--maxw);
  margin: clamp(80px, 12vh, 140px) auto 0; padding: 0 clamp(16px, 4vw, 40px) 36px;
}
.tb__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 0.6fr 1fr 1fr 1fr 1.2fr 1.6fr;
  gap: 1px; background: var(--line-2); border: 1px solid var(--line-2);
}
.tb__cell {
  background: var(--bg); padding: 12px 14px; min-height: 64px;
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
}
.tb__cell--wide { grid-column: span 1; }
.tb__k { font-size: 8.5px; letter-spacing: 0.22em; color: var(--ink-mut); }
.tb__v { font-family: "Chakra Petch", sans-serif; font-weight: 600; font-size: 13px; color: var(--ink); letter-spacing: 0.04em; }
.tb__v--lg { font-size: 20px; letter-spacing: 0.1em; }
a.tb__v { color: var(--accent); }
.tb__cell--sym { color: var(--ink-dim); align-items: flex-start; }
.tb__cell--sym svg { width: 56px; height: 26px; }
.tb__foot {
  margin-top: 14px; font-size: 9.5px; letter-spacing: 0.2em; color: var(--ink-mut);
  text-align: right;
}

/* ============================================================
   REVEAL (scroll only — hero shows on load)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.hero .reveal { opacity: 1; transform: none; transition: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 920px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__scope { order: -1; margin-bottom: 10px; }
  .scope { width: min(380px, 80vw); }
  .modules { grid-template-columns: 1fr; }
  .notes__grid { grid-template-columns: 1fr; }
  .hud__nav { display: none; }
  .tb__grid { grid-template-columns: 1fr 1fr; }
  .tb__cell--wide { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .section-head__meta { display: none; }
  body { cursor: auto; }
  .tb__grid { grid-template-columns: 1fr; }
  .tb__foot { text-align: left; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.15s !important; }
  .marquee { animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}