@import url('https://fonts.googleapis.com/css2?family=Archivo+Narrow:wght@600;700;800&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #16181c;
  --ink-soft: #4a5058;
  --paper: #f1f0ec;
  --paper-raised: #ffffff;
  --line: #dcdad3;
  --blue: #1a6fc4;
  --blue-deep: #114a85;
  --amber: #f0a202;
  --amber-deep: #b97800;
  --green: #1f7a4d;
  --red: #c23b3b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

h1, h2, h3, .display {
  font-family: 'Archivo Narrow', sans-serif;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
  font-variant-numeric: tabular-nums;
}

a { color: inherit; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(241, 240, 236, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Archivo Narrow', sans-serif;
  font-weight: 800;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.nav-logo .dot {
  width: 10px; height: 10px;
  background: var(--amber);
  display: inline-block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a { text-decoration: none; color: var(--ink-soft); }
.nav-links a.active, .nav-links a:hover { color: var(--ink); }
.nav-cta {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
}
.nav-cta:hover { background: var(--blue-deep); }

/* ── Hero ── */
.hero {
  padding: 88px 0 64px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-deep);
  background: #e4eef9;
  padding: 5px 10px;
  margin-bottom: 22px;
}
.eyebrow .bar { width: 6px; height: 6px; background: var(--amber); }
.hero h1 {
  font-size: 52px;
  line-height: 1.03;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  color: var(--blue);
}
.hero p.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 480px;
  margin-bottom: 30px;
}
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 13px 24px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-deep); }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ── Shift board (signature element) ── */
.board {
  background: #14181f;
  border: 1px solid #262c37;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 24px 48px -20px rgba(20, 24, 31, 0.45);
}
.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid #262c37;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8b93a3;
}
.board-live { display: flex; align-items: center; gap: 6px; color: #5fd98a; }
.board-live::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: #5fd98a;
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.board-row {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 0.7fr;
  padding: 11px 16px;
  border-bottom: 1px solid #1d222b;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: #cfd4dd;
}
.board-row:last-child { border-bottom: none; }
.board-row .name { color: #f4f5f7; }
.board-row .up { color: #5fd98a; }
.board-row .down { color: #ef7a7a; }
.board-row .neutral { color: #8b93a3; }

/* ── Sections ── */
.section { padding: 72px 0; }
.section-alt { background: var(--paper-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 560px; margin-bottom: 44px; }
.section-head h2 { font-size: 34px; margin-bottom: 14px; }
.section-head p { color: var(--ink-soft); font-size: 16px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 26px 24px;
}
.section-alt .card { background: var(--paper); }
.card .tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 12px;
}
.card h3 {
  font-size: 19px;
  text-transform: none;
  margin-bottom: 10px;
}
.card p { color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* Sequence (earned numbering -- badge tap -> signal -> floor response) */
.sequence { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
.seq-step { padding: 0 24px; position: relative; }
.seq-step:first-child { padding-left: 0; }
.seq-step:last-child { padding-right: 0; }
.seq-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--blue);
  border: 1px solid var(--blue);
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.seq-step h3 { font-size: 18px; text-transform: none; margin-bottom: 8px; }
.seq-step p { color: var(--ink-soft); font-size: 14.5px; }
.seq-arrow {
  position: absolute;
  top: 15px; right: -14px;
  color: var(--line);
  font-size: 20px;
}

/* Stat strip */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}
.stat {
  padding: 26px 22px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat .num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 30px;
  font-weight: 500;
  color: var(--blue);
}
.stat .label { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }

/* CTA band */
.cta-band {
  background: var(--ink);
  color: var(--paper);
  padding: 64px 0;
  text-align: center;
}
.cta-band h2 { color: var(--paper); font-size: 32px; margin-bottom: 16px; }
.cta-band p { color: #a9afb8; max-width: 480px; margin: 0 auto 28px; }
.cta-band .btn-primary { background: var(--amber); color: var(--ink); }
.cta-band .btn-primary:hover { background: #d99000; }
.cta-band .btn-ghost { border-color: #444b57; color: var(--paper); }
.cta-band .btn-ghost:hover { background: #262c37; }
.cta-band .btn-row { justify-content: center; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo {
  font-family: 'Archivo Narrow', sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 16px;
}
.footer-links { display: flex; gap: 24px; font-size: 13px; color: var(--ink-soft); }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.footer-fine { font-size: 12px; color: var(--ink-soft); margin-top: 18px; }

/* ── Page header (Product / About) ── */
.page-header { padding: 64px 0 48px; border-bottom: 1px solid var(--line); }
.page-header h1 { font-size: 42px; margin-bottom: 14px; }
.page-header p { color: var(--ink-soft); font-size: 17px; max-width: 560px; }

.feature-row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.feature-row:last-child { border-bottom: none; }
.feature-row.reverse { grid-template-columns: 1.1fr 0.9fr; }
.feature-row.reverse .feature-visual { order: -1; }
.feature-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 12px;
  display: block;
}
.feature-row h3 { font-size: 26px; text-transform: none; margin-bottom: 14px; }
.feature-row p { color: var(--ink-soft); font-size: 15.5px; }
.feature-visual {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 24px;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mini-readout {
  width: 100%;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
}
.mini-readout .row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.mini-readout .row:last-child { border-bottom: none; }
.mini-readout .row .v.good { color: var(--green); }
.mini-readout .row .v.warn { color: var(--amber-deep); }

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.contact-block { padding: 24px 0; }
.contact-block .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
  display: block;
}
.contact-block a.big {
  font-family: 'Archivo Narrow', sans-serif;
  font-weight: 700;
  font-size: 24px;
  text-decoration: none;
  color: var(--blue);
}
.contact-block a.big:hover { color: var(--blue-deep); }

@media (max-width: 860px) {
  .hero-grid, .grid-3, .grid-2, .sequence, .feature-row, .feature-row.reverse,
  .contact-grid, .stat-strip { grid-template-columns: 1fr !important; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .seq-arrow { display: none; }
  .hero h1 { font-size: 38px; }
  .nav-links { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .board-live::before { animation: none; }
}

a:focus-visible, .btn:focus-visible, .nav-cta:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}