:root {
  --bg: #0d0f10;
  --surface: #111315;
  --surface-2: #161a1c;
  --text: #f2f1ee;
  --text-dim: #9aa0a3;
  --text-faint: #5a6064;
  --accent: #2de0c8;
  --accent-dim: #1c8f80;
  --line: #23282b;
  --pass: #2de0c8;
  --queued: #6b7378;
  --running: #e0a83d;

  --font-display: "Inter Tight", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --maxw: 1280px;
  --gut: clamp(1.25rem, 4vw, 4rem);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(16px, 1.05vw + 13px, 18px);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

::selection { background: var(--accent); color: #052420; }

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

/* ---- custom cursor (desktop only) ---- */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 9px; height: 18px;
  background: var(--accent);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  animation: blink 1.1s steps(1) infinite;
  display: none;
}
@keyframes blink { 50% { opacity: 0; } }
@media (hover: hover) and (pointer: fine) {
  .cursor { display: block; }
  body { cursor: none; }
  a, button { cursor: none; }
}

/* ---- marquee ---- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-block: 1px solid var(--line);
  background: var(--surface);
}
.marquee__track {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 28s linear infinite;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 9vw, 7.5rem);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--text);
}
.marquee__track .dot { color: var(--accent); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

/* ---- layout ---- */
.shell { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }

.stage {
  position: relative;
  padding-block: clamp(6rem, 14vw, 11rem);
  border-top: 1px solid var(--line);
}
.stage::before {
  content: attr(data-num);
  position: absolute;
  top: clamp(2rem, 6vw, 5rem);
  right: var(--gut);
  font-family: var(--font-mono);
  font-size: clamp(8rem, 26vw, 22rem);
  font-weight: 700;
  color: var(--text);
  opacity: 0.035;
  line-height: 0.8;
  pointer-events: none;
  z-index: 0;
  letter-spacing: -0.04em;
}
.stage > * { position: relative; z-index: 1; }

.stage-head {
  display: flex;
  align-items: baseline;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}
.stage-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.stage-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.6rem);
  letter-spacing: -0.025em;
  line-height: 1.02;
  text-transform: uppercase;
}

/* job status chip */
.status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--queued);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line);
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
}
.status::before { content: "●"; }
.stage.is-in .status { color: var(--pass); border-color: var(--accent-dim); }
.stage.is-in .status::before { color: var(--pass); }
.status .s-running { color: var(--running); }

/* commit line */
.commit-line {
  height: 1px;
  width: 100%;
  background: var(--line);
  position: relative;
  margin-block: clamp(2.5rem, 6vw, 4.5rem) 0;
  overflow: hidden;
}
.commit-line::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s cubic-bezier(.2,.7,.2,1);
}
.stage.is-in .commit-line::after { transform: scaleX(1); }

/* ---- STAGE 00 hero ---- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(3rem, 8vw, 6rem);
  border-top: none;
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.55;
  z-index: 0;
  pointer-events: none;
}
.hero__bg svg { width: 100%; height: 100%; }
.hero__core { position: relative; z-index: 2; }
.hero__kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 9.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  max-width: 18ch;
}
.hero__sub {
  margin-top: 1.6rem;
  max-width: 52ch;
  color: var(--text-dim);
  font-size: 1.05rem;
}
.hero__meta {
  margin-top: 2.4rem;
  display: flex; gap: 2rem; flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero__meta b { color: var(--text); font-weight: 400; }

/* ---- STAGE 01 manifesto ---- */
.manifesto {
  font-family: var(--font-body);
  font-size: clamp(1.35rem, 3vw, 2.1rem);
  line-height: 1.45;
  max-width: 32ch;
  color: var(--text);
  font-weight: 400;
}
.manifesto em { color: var(--accent); font-style: normal; }

/* ---- STAGE 02 build cards ---- */
.gallery {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  padding-block: 1rem 2rem;
  margin-inline: calc(-1 * var(--gut));
  padding-inline: var(--gut);
  -webkit-overflow-scrolling: touch;
}
.gallery::-webkit-scrollbar { height: 6px; }
.gallery::-webkit-scrollbar-track { background: var(--surface); }
.gallery::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }

.card {
  flex: 0 0 clamp(280px, 28vw, 340px);
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1.5rem 1.4rem 1.3rem;
  display: flex; flex-direction: column;
  gap: 0.9rem;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-3px); }
.card__ver {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.1em;
}
.card__title {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.3;
  word-break: break-all;
}
.card__lang {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.74rem;
  color: var(--text-dim);
}
.card__lang .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.card__desc { color: var(--text-dim); font-size: 0.92rem; line-height: 1.5; flex-grow: 1; }
.card__chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--line);
  color: var(--queued);
  border-radius: 2px;
  background: var(--surface-2);
}
.card .chip::before { content: "● "; color: var(--queued); }
.card.is-scanned .chip { color: var(--pass); border-color: var(--accent-dim); }
.card.is-scanned .chip::before { color: var(--pass); }
.card__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
  margin-top: 0.3rem;
}
.card__link:hover { text-decoration: underline; }
.card__stats {
  display: flex; gap: 1rem;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-faint);
}
/* scan sweep overlay */
.card__sweep {
  position: absolute; inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(45,224,200,0.12) 50%, transparent 100%);
  transform: translateY(-100%);
  transition: transform .6s linear;
}
.card:hover .card__sweep { transform: translateY(100%); }

/* ---- STAGE 03 skills pipeline ---- */
.pipeline { display: flex; flex-direction: column; gap: 0; }
.phase {
  display: grid;
  grid-template-columns: clamp(120px, 22vw, 220px) 1fr;
  gap: 1.5rem;
  align-items: center;
  padding-block: 1.4rem;
  border-left: 1px solid var(--line);
  padding-left: 1.4rem;
  position: relative;
}
.phase + .phase { border-top: 1px solid var(--line); }
.phase::before {
  content: "";
  position: absolute;
  left: -5px; top: 50%;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--accent-dim);
}
.phase__name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.phase__tools { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tool {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text);
  background: var(--surface);
}

/* ---- STAGE 04 case study ---- */
.case { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 3rem); }
@media (min-width: 900px) { .case { grid-template-columns: 1fr 1fr; } }
.case-block { padding: 1.6rem; border: 1px solid var(--line); background: var(--surface); }
.case-block__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}
.case-block__head {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
}
.case-block p { color: var(--text-dim); font-size: 0.96rem; }
.case-block code {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.9em;
}

/* ---- STAGE 05 monitor ---- */
.checks { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 700px) { .checks { grid-template-columns: 1fr 1fr; } }
.check {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--line);
  background: var(--surface);
  font-family: var(--font-mono);
}
.check__ok { color: var(--pass); font-size: 1.1rem; }
.check__name { color: var(--text); font-size: 0.95rem; }
.check__sub { color: var(--text-faint); font-size: 0.74rem; margin-left: auto; }

/* ---- footer / shipping manifest ---- */
.manifest {
  border-top: 1px solid var(--line);
  padding-block: clamp(4rem, 9vw, 7rem);
  background: var(--surface);
}
.manifest__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 700px) {
  .manifest__grid { grid-template-columns: 1fr 1fr; }
}
.manifest-block {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--text-dim);
}
.manifest-block h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--text-faint);
  font-weight: 400;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.manifest-block .big {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--text);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.05;
}
.manifest-links {
  display: flex; flex-wrap: wrap; gap: 1.2rem 1.8rem;
  margin-top: 0.4rem;
}
.manifest-links a {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.manifest__status {
  margin-top: 2rem;
  border-top: 1px dashed var(--line);
  padding-top: 1.4rem;
  font-family: var(--font-mono);
  color: var(--pass);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}
.manifest__status::before { content: "● "; }

.colophon {
  border-top: 1px solid var(--line);
  padding: 1.2rem var(--gut);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  letter-spacing: 0.06em;
}

/* ---- reveal animation ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.stage.is-in .reveal { opacity: 1; transform: none; }
.stage.is-in .reveal:nth-child(2) { transition-delay: .08s; }
.stage.is-in .reveal:nth-child(3) { transition-delay: .16s; }
.stage.is-in .reveal:nth-child(4) { transition-delay: .24s; }
.stage.is-in .reveal:nth-child(5) { transition-delay: .32s; }

/* ---- reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee__track { animation: none; padding-left: 0; }
  .cursor { display: none !important; }
  body { cursor: auto; }
  a, button { cursor: auto; }
  .card__sweep { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .commit-line::after { transition: none; transform: scaleX(1); }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}