:root {
  --canvas: #fbfbfb;
  --surface: #ffffff;
  --surface-subtle: #f5f5f5;
  --ink: #18181b;
  --muted: #737373;
  --border: #e7e7e7;
  --border-strong: #d4d4d4;
  --accent: #056dff;
  --accent-hover: #1447e6;
  --accent-subtle: #eff6ff;
  --success: #006045;
  --success-subtle: #ebfdf1;
  --warning: #bd6500;
  --warning-subtle: #fffaea;
  --danger: #c10007;
  --danger-subtle: #fff3f3;
  --tier-product: #0d9488;
  --tier-product-subtle: #f0fdfa;
  --tier-group: #7c3aed;
  --tier-group-subtle: #f5f3ff;
  --tier-feature: #db2777;
  --tier-feature-subtle: #fdf2f8;
  --radius: 0.5rem;
  --shadow: 0 4px 12px rgb(0 0 0 / 8%);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html {
  background: var(--canvas);
  color: var(--ink);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "calt";
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
body { font-size: 15px; line-height: 1.7; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== Ruled page frame (drafting marks) ===== */
.frame { max-width: 1120px; margin: 0 auto; border-left: 1px solid var(--border); border-right: 1px solid var(--border); }
.pad { padding-left: 40px; padding-right: 40px; }
.sec { position: relative; border-bottom: 1px solid var(--border); }
.sec::before, .sec::after {
  content: "";
  position: absolute;
  bottom: -5px;
  width: 9px;
  height: 9px;
  z-index: 2;
  background:
    linear-gradient(var(--border-strong), var(--border-strong)) center / 9px 1px no-repeat,
    linear-gradient(var(--border-strong), var(--border-strong)) center / 1px 9px no-repeat;
}
.sec::before { left: -5px; }
.sec::after { right: -5px; }

/* ===== Nav ===== */
nav {
  background: rgb(255 255 255 / 85%);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  gap: 16px;
}
.wordmark { text-decoration: none; font-size: 1.05rem; letter-spacing: -0.02em; }
.wordmark .ask, .wordmark .tld { font-weight: 400; color: var(--muted); }
.wordmark .name { font-weight: 700; color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a.link { font-size: 0.9rem; font-weight: 500; color: var(--ink); text-decoration: none; }
.nav-links a.link:hover { color: var(--accent); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 16px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 550;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms, border-color 120ms, transform 120ms;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ghost { background: var(--surface); border-color: var(--border-strong); color: var(--ink); }
.btn.ghost:hover { background: var(--surface-subtle); }
.btn.large { min-height: 42px; padding: 0 20px; font-size: 0.95rem; }

/* ===== Hero ===== */
.hero {
  background-image:
    radial-gradient(640px 420px at 78% 30%, var(--accent-subtle) 0%, transparent 70%),
    radial-gradient(var(--border) 1px, transparent 1px);
  background-size: auto, 18px 18px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 56px;
  align-items: center;
  padding-top: 84px;
  padding-bottom: 84px;
}
@keyframes lamp {
  0%, 100% { box-shadow: 0 0 0 3px var(--success-subtle); }
  50% { box-shadow: 0 0 0 6px rgb(0 96 69 / 12%); }
}
h1 {
  font-size: clamp(2.6rem, 5.4vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 22px;
}
h1 .line { display: block; overflow: hidden; }
h1 .line > span { display: inline-block; transform: translateY(110%); animation: riseUp 0.7s cubic-bezier(0.2, 0.6, 0.2, 1) forwards; }
h1 .line:nth-child(2) > span { animation-delay: 0.12s; }
@keyframes riseUp { to { transform: translateY(0); } }
.sub {
  font-size: 1.12rem;
  line-height: 1.6;
  color: #3f3f46;
  max-width: 32em;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.6s ease-out 0.35s forwards;
}
.cta { display: flex; flex-wrap: wrap; gap: 12px; opacity: 0; animation: fadeUp 0.6s ease-out 0.5s forwards; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Drawings panel (assembles itself) ===== */
.panel {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  font-size: 13px;
  opacity: 0;
  animation: fadeUp 0.5s ease-out 0.25s forwards;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-subtle);
}
.panel-title { font-family: var(--mono); font-size: 11.5px; color: var(--ink); }
.panel-title b { font-weight: 600; }
.badge {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid currentcolor;
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}
.badge.published { color: var(--success); background: var(--success-subtle); opacity: 0; animation: popIn 0.35s ease-out 2.15s forwards; }
.badge.building { color: var(--warning); background: var(--warning-subtle); }
@keyframes popIn { from { opacity: 0; transform: scale(0.7); } to { opacity: 1; transform: scale(1); } }
.tree { padding: 8px 0; }
.row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  border-bottom: 1px solid var(--surface-subtle);
  opacity: 0;
  transform: translateY(6px);
  animation: rowIn 0.4s ease-out forwards;
}
.row:nth-child(1) { animation-delay: 0.55s; }
.row:nth-child(2) { animation-delay: 0.75s; }
.row:nth-child(3) { animation-delay: 0.95s; }
.row:nth-child(4) { animation-delay: 1.15s; }
.row:nth-child(5) { animation-delay: 1.35s; }
.row:nth-child(6) { animation-delay: 1.55s; }
@keyframes rowIn { to { opacity: 1; transform: translateY(0); } }
.row:last-child { border-bottom: 0; }
.row .indent { width: 18px; flex: none; border-left: 1px solid var(--border); align-self: stretch; margin-left: 8px; }
.tier {
  flex: none;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: 4px;
  padding: 2px 6px;
}
.tier.product { color: var(--tier-product); background: var(--tier-product-subtle); }
.tier.group { color: var(--tier-group); background: var(--tier-group-subtle); }
.tier.feature { color: var(--tier-feature); background: var(--tier-feature-subtle); }
.row .name { flex: 1; min-width: 0; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .check { flex: none; font-family: var(--mono); font-size: 11px; color: var(--success); opacity: 0; animation: popIn 0.3s ease-out forwards; }
.row:nth-child(1) .check { animation-delay: 1.75s; }
.row:nth-child(2) .check { animation-delay: 1.85s; }
.row:nth-child(3) .check { animation-delay: 1.95s; }
.row:nth-child(4) .check { animation-delay: 2.0s; }
.row:nth-child(5) .check { animation-delay: 2.05s; }
.row .badge.building { opacity: 0; animation: popIn 0.35s ease-out 2.1s forwards; }
.panel-foot {
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.hash {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  max-width: 0;
  border-right: 1px solid transparent;
  animation: typeHash 0.9s steps(24) 2.3s forwards, caret 0.7s step-end 2.3s 4;
}
@keyframes typeHash { from { max-width: 0; } to { max-width: 200px; } }
@keyframes caret { 0%, 100% { border-right-color: transparent; } 50% { border-right-color: var(--ink); } }
.panel-foot a { font-size: 12px; font-weight: 550; color: var(--accent); text-decoration: none; white-space: nowrap; }
.panel-foot a:hover { text-decoration: underline; }

/* ===== Scroll reveals ===== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.2, 0.6, 0.2, 1); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ===== Sections ===== */
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
h2 { font-size: 2rem; line-height: 1.15; letter-spacing: -0.02em; font-weight: 680; margin-bottom: 16px; }
.section { padding-top: 76px; padding-bottom: 76px; }
.lede { max-width: 44em; margin-bottom: 14px; }
.lede:last-of-type { margin-bottom: 0; }

/* Heading left, body copy right — fills the full frame width */
.split-head {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 24px 64px;
  align-items: start;
}
.split-head h2 { margin-bottom: 0; }
.split-head .lede { max-width: none; }

/* ===== Versus diorama ===== */
.versus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 44px;
}
.pane {
  position: relative;
  border-radius: var(--radius);
  padding: 26px 26px 30px;
  min-height: 320px;
}
.pane .pane-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.pane.vibes { background: var(--surface); border: 1px dashed var(--border-strong); }
.pane.vibes .pane-label { color: var(--danger); }
.pane.spec { background: var(--accent-subtle); border: 1px solid var(--accent); }
.pane.spec .pane-label { color: var(--accent); }
.artifact {
  max-width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 18px;
}
.artifact .tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
}
.artifact.file { font-family: var(--mono); font-size: 0.82rem; }
.pane.vibes .artifact:nth-child(2) { transform: rotate(-1.2deg); }
.pane.vibes .artifact:nth-child(3) { transform: rotate(0.8deg) translateX(26px); }
.pane.vibes .artifact:nth-child(4) { transform: rotate(-0.6deg) translateX(8px); }
.spec-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 14px;
  margin-bottom: 10px;
  font-size: 0.88rem;
}
.spec-row .id { font-family: var(--mono); font-size: 10px; color: var(--accent); font-weight: 600; flex: none; }
.spec-row .what { flex: 1; min-width: 0; font-weight: 500; }
.spec-row .state { font-family: var(--mono); font-size: 10px; color: var(--success); flex: none; }
.spec-foot {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  margin-top: 16px;
  word-break: break-all;
}
/* stagger inside panes when revealed */
.versus .artifact, .versus .spec-row, .versus .spec-foot { opacity: 0; transform: translateY(10px); transition: opacity 0.5s ease-out, transform 0.5s ease-out; }
.versus.in .artifact, .versus.in .spec-row, .versus.in .spec-foot { opacity: 1; transform: translateY(0); }
.versus.in .pane.vibes .artifact:nth-child(2) { transform: rotate(-1.2deg); transition-delay: 0.1s; }
.versus.in .pane.vibes .artifact:nth-child(3) { transform: rotate(0.8deg) translateX(26px); transition-delay: 0.25s; }
.versus.in .pane.vibes .artifact:nth-child(4) { transform: rotate(-0.6deg) translateX(8px); transition-delay: 0.4s; }
.versus.in .spec-row:nth-child(2) { transition-delay: 0.15s; }
.versus.in .spec-row:nth-child(3) { transition-delay: 0.3s; }
.versus.in .spec-row:nth-child(4) { transition-delay: 0.45s; }
.versus.in .spec-foot { transition-delay: 0.6s; }

/* ===== Outcome cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}
.card-label b { color: var(--accent); font-weight: 600; }
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 150ms, box-shadow 150ms, transform 150ms;
}
.card:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-2px); }
.card .kicker { margin-bottom: 0; }
.card h3 { font-size: 1.25rem; letter-spacing: -0.015em; font-weight: 650; }
.card p { font-size: 0.94rem; line-height: 1.65; }
.card .punch { color: var(--muted); font-size: 0.9rem; margin-top: auto; padding-top: 6px; border-top: 1px solid var(--surface-subtle); min-height: 3.75em; }
.cards .card:nth-child(2) { transition-delay: 0.08s; }
.cards .card:nth-child(3) { transition-delay: 0.16s; }
.cards .card:nth-child(4) { transition-delay: 0.24s; }
.cards.in .card { transition-delay: 0s; }

/* ===== Statement band + certificate ===== */
.band { background: var(--surface); }
.statement {
  text-align: center;
  padding-top: 96px;
  padding-bottom: 40px;
  max-width: 820px;
  margin: 0 auto;
}
.statement .kicker { margin-bottom: 18px; }
.statement h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin-bottom: 0;
  max-width: 17em;
  margin-left: auto;
  margin-right: auto;
}
.statement h2 em { font-style: normal; color: var(--accent); }
.band .support {
  max-width: 44em;
  margin: 0 auto;
  text-align: center;
  color: #3f3f46;
  padding-bottom: 8px;
}
.cert-wrap { display: flex; justify-content: center; padding-top: 40px; padding-bottom: 96px; }
.cert-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--canvas);
  padding: 20px 24px;
  max-width: 760px;
  width: 100%;
}
.cert-strip .label {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.lamp { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px var(--success-subtle); animation: lamp 2.4s ease-in-out infinite; }
.cert-strip .cert-line { font-family: var(--mono); font-size: 0.82rem; line-height: 1.6; word-break: break-all; }
.cert-strip .pubno { color: var(--accent); font-weight: 600; }

/* ===== Arc ===== */
.eras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.era { border-top: 2px solid var(--border-strong); padding-top: 16px; }
.era.now { border-top-color: var(--accent); }
.era .era-name { font-weight: 650; font-size: 1.1rem; letter-spacing: -0.01em; }
.era .era-note { font-size: 0.9rem; color: var(--muted); margin-top: 6px; }

/* ===== Closing + waiting list ===== */
.closing { padding-top: 104px; padding-bottom: 104px; text-align: center; }
.closing h2 { font-size: 2.7rem; letter-spacing: -0.025em; }
.closing .cta { justify-content: center; margin-top: 10px; opacity: 1; animation: none; }
.waitlist-form {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.waitlist-form input[type="email"] {
  font: inherit;
  font-size: 0.95rem;
  min-height: 42px;
  padding: 0 16px;
  width: min(320px, 100%);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
}
.waitlist-form input[type="email"]::placeholder { color: var(--muted); }
.waitlist-form .cf-turnstile {
  flex-basis: 100%;
  display: flex;
  justify-content: center;
}
.waitlist-msg {
  min-height: 1.6em;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.waitlist-msg.ok { color: var(--success); }
.waitlist-msg.err { color: var(--danger); }
footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 18px 0 40px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
footer .inner { max-width: 1120px; margin: 0 auto; padding: 0 40px; }

@media (max-width: 880px) {
  .pad { padding-left: 24px; padding-right: 24px; }
  .nav-inner, footer .inner { padding: 0 24px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 44px; padding-top: 56px; padding-bottom: 56px; }
  .cards, .versus, .eras, .split-head { grid-template-columns: minmax(0, 1fr); }
  .pane.vibes .artifact { transform: none !important; }
  .nav-links a.link { display: none; }
  .statement { padding-top: 72px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  .reveal, .versus .artifact, .versus .spec-row, .versus .spec-foot { opacity: 1; transform: none; }
  .hash { max-width: 200px; }
}