:root {
  --bg: #f6f3ee;
  --ink: #1c1a17;
  --ink-soft: #5c574e;
  --line: rgba(28, 26, 23, 0.14);
  --accent: #b5502e;
  --card: #ffffff;
  --mono: ui-monospace, "SF Mono", "IBM Plex Mono", Menlo, Consolas, "Courier New", monospace;
  --grid: rgba(28, 26, 23, 0.05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    repeating-linear-gradient(0deg, var(--grid) 0, var(--grid) 1px, transparent 1px, transparent 48px),
    repeating-linear-gradient(90deg, var(--grid) 0, var(--grid) 1px, transparent 1px, transparent 48px),
    var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

code {
  font-family: var(--mono);
  background: rgba(28, 26, 23, 0.06);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.9em;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 6vw;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-top: 2px;
}

nav { display: flex; gap: 28px; }
nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
nav a:hover { color: var(--ink); }

section { padding: 8vw 6vw; }

.eyebrow {
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0 0 16px;
}

.hero {
  padding-top: 10vw;
  padding-bottom: 8vw;
  max-width: 780px;
}
.hero h1 {
  font-size: clamp(34px, 5.6vw, 58px);
  line-height: 1.08;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.hero h1 .accent { color: var(--accent); }
.hero .lede {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 560px;
  margin: 0 0 32px;
}

.spec-strip {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  margin: 0 0 28px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.spec-strip b { color: var(--ink); font-weight: 700; }

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}
.btn:hover { background: var(--accent); }

.line {
  padding: 0 6vw 6vw;
  overflow-x: auto;
}
.line-track {
  display: flex;
  align-items: flex-start;
  min-width: 560px;
  max-width: 820px;
  position: relative;
}
.line-track::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  height: 1px;
  background: var(--line);
}
.line-node {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
}
.line-node:first-child { align-items: flex-start; }
.line-node:last-child { align-items: flex-end; }
.line-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--ink-soft);
}
.line-node-end .line-dot { border-color: var(--accent); background: var(--accent); }
.line-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}
.line-node-end .line-label { color: var(--ink); font-weight: 600; }

.jobs { border-top: 1px solid var(--line); }
.jobs h2, .proof h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  margin: 0 0 44px;
  letter-spacing: -0.01em;
}

.job-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 32px;
  margin-bottom: 32px;
}
.job-card.reverse { grid-template-columns: 0.9fr 1.1fr; }
.job-card.reverse .job-text { order: 2; }
.job-card.reverse .job-video { order: 1; }

.job-tag {
  font-size: 15px;
  font-style: italic;
  color: var(--ink-soft);
  margin: 0 0 10px;
}
.job-text h3 { margin: 0 0 12px; font-size: 21px; letter-spacing: -0.01em; }
.job-text p { margin: 0 0 12px; color: var(--ink-soft); font-size: 15px; }
.job-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  opacity: 0.8;
}

.callout {
  background: var(--bg);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--ink);
}

.job-video {
  aspect-ratio: 9 / 16;
  max-height: 60vh;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
}
.job-video video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000;
}
.job-video-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  background: transparent;
}
.job-video-empty p {
  color: var(--ink-soft);
  font-size: 13px;
  font-style: italic;
  margin: 0;
}

.proof { border-top: 1px solid var(--line); }
.proof-copy {
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 660px;
  margin: 0 0 40px;
}
.proof-note {
  color: var(--ink-soft);
  font-size: 13px;
  opacity: 0.75;
  max-width: 660px;
  margin: 24px 0 0;
}

.method-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
}
.method-block {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px 28px;
  background: var(--card);
  position: relative;
}
.method-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.method-block h3 { margin: 6px 0 16px; font-size: 19px; letter-spacing: -0.01em; }
.method-spec { margin: 0; }
.method-spec dt {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.75;
  margin: 14px 0 4px;
}
.method-spec dt:first-child { margin-top: 0; }
.method-spec dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}
.method-spec dd b { color: var(--ink); font-family: var(--mono); font-weight: 700; }

.author {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
}
.author-photo-slot {
  aspect-ratio: 3 / 4;
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}
.author-photo-slot span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-transform: uppercase;
  text-align: center;
  padding: 0 10px;
}
.author-text h2 { margin: 0 0 16px; font-size: clamp(26px, 3.2vw, 32px); letter-spacing: -0.01em; }
.author-text p { margin: 0 0 14px; color: var(--ink-soft); font-size: 15.5px; max-width: 620px; }

.closing {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 900px;
}
.closing-block {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px 28px;
  background: var(--card);
}
.closing-block h3 { margin: 6px 0 12px; font-size: 20px; letter-spacing: -0.01em; }
.closing-block p { margin: 0 0 16px; color: var(--ink-soft); font-size: 14.5px; }
.closing-offer { border-color: var(--accent); }
.closing-note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
  opacity: 0.85;
}

footer {
  padding: 26px 6vw;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-soft);
}

@media (max-width: 760px) {
  .job-card, .job-card.reverse {
    grid-template-columns: 1fr;
  }
  .job-card.reverse .job-text,
  .job-card.reverse .job-video,
  .job-card .job-text,
  .job-card .job-video {
    order: initial;
  }
  .job-video { max-height: 70vh; }
  .method-row { grid-template-columns: 1fr; }
  .author { grid-template-columns: 1fr; }
  .author-photo-slot { max-width: 200px; }
  .closing { grid-template-columns: 1fr; }
  .line-track { min-width: 480px; }
  header { flex-direction: column; align-items: flex-start; gap: 12px; }
  nav { gap: 18px; flex-wrap: wrap; }
}

.brand-accent { opacity: .62; font-weight: 400; }