/* Y3000 Hero — marketing site
   Ported from the Claude Design project "Y3000 Hero marketing site".
   Tokens below are lifted verbatim from that design. */

:root {
  --bg:      #fbfcfd;
  --surface: #ffffff;
  --ink:     #0c1116;
  --blue:    #1B4FE0;

  --body:    #3d4854;  /* primary prose */
  --muted:   #5b6673;  /* secondary prose */
  --dim:     #8b96a3;  /* labels */
  --faint:   #9aa4b0;  /* fine print, placeholders */

  --rule:    #e4e9ef;  /* section dividers */
  --border:  #cbd5e1;  /* input + ghost button borders */
  --track:   #e7ecf3;  /* chart "actual" field */

  --sans: Archivo, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 3px;
  --shell:  1180px;
}

* { box-sizing: border-box; }

/* Make sure the HTML `hidden` attribute always wins over `display: flex` etc. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

a { color: var(--blue); text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- brand lockup ---------- */

.lockup {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--ink);
}

.mark { display: block; width: 22px; height: auto; }
.mark-sm { width: 18px; }

.wordmark {
  display: block;
  height: 16px;
  width: auto;
}
.wordmark-sm { height: 13px; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  border-radius: var(--radius);
  font: 500 14px/1 var(--sans);
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.btn-ghost {
  font-size: 13px;
  letter-spacing: 0.01em;
  padding: 9px 16px;
  border: 1px solid var(--border);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.btn-primary {
  padding: 15px 26px;
  border: none;
  background: var(--blue);
  color: #fff;
  cursor: pointer;
}
.btn-primary:hover { background: var(--ink); }
.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ---------- header / footer ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  border-bottom: 1px solid var(--rule);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: baseline;
  padding: 40px 0 56px;
}

.colophon {
  margin: 0;
  font: 400 10px/1.6 var(--mono);
  letter-spacing: 0.1em;
  color: var(--faint);
}

/* ---------- hero ---------- */

.hero {
  padding: 120px 0 128px;
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  margin: 0 0 40px;
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
}

.hero-title {
  margin: 0;
  font: 600 clamp(42px, 7.2vw, 100px)/0.96 var(--sans);
  letter-spacing: -0.042em;
  max-width: 17ch;
}

.hero-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: flex-end;
  margin-top: 56px;
}

.lede {
  margin: 0;
  max-width: 46ch;
  font: 400 17px/1.55 var(--sans);
  color: var(--body);
}

/* ---------- numbered bands ---------- */

.band {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  padding: 104px 0;
  border-bottom: 1px solid var(--rule);
}

#waitlist { padding: 112px 0 120px; }

.band-label {
  width: 150px;
  flex: none;
  margin: 0;
  font: 500 10px/1.6 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

.band-body { flex: 1; min-width: 300px; }

.band-title {
  margin: 0;
  font: 600 clamp(28px, 3.4vw, 44px)/1.12 var(--sans);
  letter-spacing: -0.03em;
  max-width: 24ch;
}

.band-title-lg {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 20ch;
}

.prose {
  margin: 24px 0 0;
  max-width: 52ch;
  font: 400 17px/1.6 var(--sans);
  color: var(--body);
}
.prose + .prose { margin-top: 18px; }

.prose-sm { font-size: 14px; color: var(--muted); margin-top: 36px; }
.prose-dim { color: var(--dim); margin-top: 44px; }

/* ---------- steps (02) ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.step { background: var(--bg); padding: 28px 24px 32px; }

.step-num {
  margin: 0;
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

.step-title {
  margin: 16px 0 0;
  font: 500 19px/1.3 var(--sans);
  letter-spacing: -0.015em;
}

.step-copy {
  margin: 10px 0 0;
  font: 400 14px/1.6 var(--sans);
  color: var(--muted);
}

/* ---------- gate preview ---------- */

.gate {
  margin: 32px 0 0;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 34px 32px 30px;
  max-width: 560px;
}

.gate-brand {
  font: 500 9px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.gate-ask {
  margin: 22px 0 0;
  font: 500 26px/1.2 var(--sans);
  letter-spacing: -0.03em;
}

.gate-input {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 26px 0 0;
  border-bottom: 1px solid var(--blue);
  padding-bottom: 10px;
}

.gate-answer { font: 400 17px/1 var(--mono); color: var(--ink); }

.gate-caret {
  width: 8px;
  height: 19px;
  background: var(--blue);
  animation: caret 1.1s steps(1) infinite;
}

@keyframes caret { 0%, 49% { opacity: 1 } 50%, 100% { opacity: 0 } }

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

.gate-meta {
  display: flex;
  justify-content: space-between;
  margin: 16px 0 0;
  font: 400 11px/1 var(--mono);
  text-transform: uppercase;
  color: var(--dim);
}

/* ---------- chart (03) ---------- */

.chart {
  margin: 52px 0 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 28px 0 20px;
}

.chart-plot {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 200px;
}

.bar {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.bar-actual { width: 100%; background: var(--track); }

.bar-intent {
  width: 100%;
  background: var(--blue);
  position: relative;
  top: 100%;
  transform: translateY(-100%);
}

.chart-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font: 400 10px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ---------- stats ---------- */

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin: 24px 0 0;
}

.stat dt {
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

.stat dd {
  margin: 8px 0 0;
  font: 500 22px/1 var(--sans);
  letter-spacing: -0.02em;
}

/* ---------- pillars (04) ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 44px;
}

.pillar { border-top: 2px solid var(--blue); padding-top: 16px; }

.pillar-title {
  margin: 0;
  font: 500 16px/1.3 var(--sans);
  letter-spacing: -0.01em;
}

.pillar-copy {
  margin: 8px 0 0;
  font: 400 14px/1.6 var(--sans);
  color: var(--muted);
}

/* ---------- waitlist (05) ---------- */

.waitlist-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
  max-width: 520px;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-basis: 100%;
}

.field {
  flex: 1;
  min-width: 220px;
  font: 400 15px/1 var(--sans);
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  outline: none;
}
.field:focus { border-color: var(--blue); }
.field::placeholder { color: var(--faint); }
.field[aria-invalid="true"] { border-color: #c02626; }

.field-error {
  flex-basis: 100%;
  margin: 0;
  font: 400 12px/1.4 var(--sans);
  color: #c02626;
}

.confirm {
  margin-top: 36px;
  max-width: 520px;
  border: 1px solid var(--blue);
  background: var(--surface);
  padding: 20px 22px;
}

.confirm-label {
  margin: 0;
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

.confirm-copy {
  margin: 12px 0 0;
  font: 400 15px/1.5 var(--sans);
  color: var(--body);
}

.fine-print {
  margin: 18px 0 0;
  font: 400 11px/1.6 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  .shell { padding: 0 20px; }
  .hero { padding: 72px 0 80px; }
  .band { padding: 64px 0; gap: 28px; }
  #waitlist { padding: 72px 0 80px; }
  .band-label { width: 100%; }
  .hero-foot { gap: 32px; }
  .chart-plot { height: 150px; }
}