:root {
  --violet: #5c5c9a;
  --ink: #111518;
  --paper: #f8f3ea;
  --paper-2: #efe8dc;
  --paper-3: #f2efe8;
  --line: #8f8a7c;
  --line-soft: #d8d1c3;
  --quiet: #45413a;
  --clay: #e85a44;
  --lavender: #d8c5e8;
  --blue-note: #a8b2c6;
  --sage: #7a8a72;
  --white-ink: #fffaf0;
  --shadow-paper: 0 18px 40px rgba(17, 21, 24, 0.12);
  --shadow-card: 0 8px 18px rgba(17, 21, 24, 0.07);
  --radius-sm: 6px;
  --radius-md: 10px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --max: 92rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  font-family: ui-sans-serif, "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(92, 92, 154, 0.08), transparent 24rem),
    linear-gradient(90deg, rgba(92, 92, 154, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(92, 92, 154, 0.06) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 112px 112px, 112px 112px, auto;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
summary {
  font: inherit;
}

svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sr-only,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  z-index: 20;
  width: auto;
  height: auto;
  margin: 0;
  clip: auto;
  padding: var(--space-3) var(--space-4);
  top: var(--space-3);
  left: var(--space-3);
  color: var(--white-ink);
  background: var(--ink);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 66px;
  padding: 0 clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(92, 92, 154, 0.22);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
}

.brand-mark,
.primary-nav,
.language-tabs,
.hero-actions,
.signal-list,
.mini-tags {
  display: flex;
  align-items: center;
}

.brand-mark {
  gap: var(--space-3);
  color: var(--violet);
}

.brand-mark img {
  display: block;
  width: clamp(12rem, 18vw, 18rem);
  height: auto;
}

.spark,
.footer-mark i {
  position: relative;
  display: inline-block;
  width: 1.35rem;
  height: 1.35rem;
}

.spark::before,
.spark::after,
.footer-mark i::before,
.footer-mark i::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.spark::after,
.footer-mark i::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.primary-nav {
  gap: clamp(1rem, 3vw, 3rem);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.92rem;
}

.primary-nav a:not(.button) {
  padding: var(--space-3) 0;
  border-bottom: 1px solid transparent;
}

.primary-nav a:not(.button):hover,
.primary-nav a:not(.button):focus-visible {
  color: var(--violet);
  border-color: currentColor;
}

.language-tabs {
  gap: var(--space-4);
}

.language-tabs a[aria-current="page"] {
  color: var(--violet);
  border-color: var(--violet);
}

.button,
.nav-toggle {
  border: 1px solid var(--violet);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 48px;
  padding: 0.82rem 1.45rem;
  color: var(--white-ink);
  background: var(--violet);
  box-shadow: 0 8px 18px rgba(92, 92, 154, 0.18);
  font-weight: 680;
  line-height: 1;
  transition: transform 180ms var(--ease-out), background-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.button:hover,
.button:focus-visible {
  background: #4f4e87;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(92, 92, 154, 0.24);
}

.button:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.button-ghost {
  color: var(--violet);
  background: color-mix(in srgb, var(--paper) 88%, white);
  border-color: var(--line);
  box-shadow: none;
}

.button-ghost:hover,
.button-ghost:focus-visible {
  color: var(--white-ink);
  border-color: var(--violet);
}

.button-small {
  min-height: 42px;
  padding: 0.72rem 1.2rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  background: transparent;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 1px;
  margin: 4px auto;
  background: var(--ink);
  transition: transform 180ms var(--ease-out);
}

.blueprint-section {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid rgba(92, 92, 154, 0.24);
}

.blueprint-section::before,
.blueprint-section::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.blueprint-section::before {
  inset: 0;
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(92, 92, 154, 0.12) 0) 0 0 / 72px 72px,
    linear-gradient(180deg, transparent calc(100% - 1px), rgba(92, 92, 154, 0.08) 0) 0 0 / 72px 72px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 75%);
  opacity: 0.45;
}

.blueprint-section::after {
  width: 72px;
  height: 72px;
  right: clamp(1rem, 4vw, 5rem);
  top: clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--violet);
  border-left: 1px solid var(--violet);
  opacity: 0.42;
}

.rail-code,
.section-number {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  color: var(--violet);
}

.rail-left {
  position: absolute;
  left: clamp(0.8rem, 2vw, 2rem);
  top: 11rem;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.hero {
  display: grid;
  grid-template-columns: minmax(22rem, 0.84fr) minmax(24rem, 1.16fr);
  grid-template-areas:
    "copy board"
    "foundation foundation";
  grid-template-rows: minmax(0, 1fr) auto;
  gap: clamp(1rem, 2.4vw, 2.4rem) clamp(1.5rem, 3vw, 4rem);
  min-height: calc(100svh - 66px);
  padding: clamp(1.35rem, 3.5vh, 2.6rem) clamp(1rem, 4vw, 4.5rem) clamp(1rem, 2.5vh, 1.8rem);
}

.hero-copy {
  grid-area: copy;
  align-self: center;
  max-width: 42rem;
}

.eyebrow {
  margin: 0 0 var(--space-4);
  color: var(--violet);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  text-wrap: balance;
  letter-spacing: 0;
}

h1 {
  margin-bottom: clamp(0.9rem, 2.3vh, 1.35rem);
  font-family: "Poppins", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(3.7rem, 6.25vw, 7.35rem);
  line-height: 0.93;
  font-weight: 800;
}

h1 span {
  display: block;
  color: var(--violet);
}

.hero-lede {
  max-width: 36rem;
  margin-bottom: clamp(0.7rem, 1.6vh, 1rem);
  color: var(--ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.95rem, 1.12vw, 1.18rem);
}

.fineprint {
  margin-bottom: var(--space-6);
  color: var(--quiet);
}

.hero-actions {
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: clamp(0.65rem, 1.8vh, 1rem);
}

.hero-price,
.tool-line {
  margin: 0;
  color: var(--quiet);
}

.hero-price {
  max-width: 22rem;
}

.tool-line {
  max-width: 36rem;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.8rem, 0.92vw, 0.95rem);
}

.hero-board {
  grid-area: board;
  position: relative;
  min-height: auto;
  align-self: center;
}

.hero-board img {
  display: block;
  width: min(100%, 55rem);
  max-height: min(56vh, 36rem);
  object-fit: contain;
  margin-inline: auto;
  filter: drop-shadow(0 18px 30px rgba(17, 21, 24, 0.12));
}

.blueprint-book,
.side-card,
.do-dont-card,
.phone-preview,
.system-note {
  position: absolute;
  background: var(--paper-3);
  border: 1px solid color-mix(in srgb, var(--line) 72%, var(--violet));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-paper);
}

.blueprint-book {
  left: 3%;
  top: 5%;
  z-index: 3;
  width: min(56%, 26rem);
  aspect-ratio: 0.72;
  padding: clamp(2rem, 5vw, 4rem);
  color: var(--white-ink);
  background:
    linear-gradient(100deg, rgba(255, 255, 255, 0.07), transparent 40%),
    var(--violet);
  transform: rotate(-8deg);
}

.blueprint-book span {
  display: block;
  margin-bottom: clamp(4rem, 12vw, 8rem);
  font-size: clamp(2.4rem, 4vw, 4.4rem);
  line-height: 0.92;
  text-transform: uppercase;
}

.blueprint-book small,
.blueprint-book b {
  display: block;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.blueprint-book b {
  position: absolute;
  left: clamp(2rem, 5vw, 4rem);
  bottom: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 500;
}

.blueprint-book::after {
  content: "";
  position: absolute;
  top: 8%;
  left: 12%;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--white-ink);
  transform: rotate(45deg);
  opacity: 0.7;
}

.side-card {
  left: 40%;
  top: 10%;
  width: 8rem;
  padding: var(--space-6) var(--space-4);
  transform: rotate(-3deg);
  color: var(--quiet);
}

.side-card .dot {
  display: block;
  width: 14px;
  height: 14px;
  margin-bottom: var(--space-8);
  background: var(--violet);
  border-radius: 50%;
}

.side-card p {
  margin-bottom: var(--space-4);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.do-dont-card {
  right: 9%;
  top: 13%;
  z-index: 2;
  width: min(52%, 29rem);
  padding: var(--space-6);
  transform: rotate(3.5deg);
}

.tabs {
  position: absolute;
  top: -2.5rem;
  right: 1rem;
  display: flex;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.tabs span {
  min-width: 4rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--paper);
  text-align: center;
}

.tabs .active {
  color: var(--white-ink);
  background: var(--violet);
}

.do-dont-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
}

.do-dont-grid > div {
  padding: var(--space-4);
}

.do-dont-grid > div + div {
  border-left: 1px solid var(--line);
}

.do-dont-grid h3 {
  margin-bottom: var(--space-3);
  color: var(--sage);
  text-transform: uppercase;
}

.do-dont-grid div + div h3,
.do-dont-grid div + div li::marker {
  color: var(--clay);
}

.do-dont-grid ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--quiet);
  font-size: 0.86rem;
}

.phone-preview {
  right: 0;
  top: 39%;
  z-index: 4;
  width: 10.5rem;
  min-height: 19rem;
  padding: 1.6rem 1rem 1rem;
  border: 7px solid var(--ink);
  border-radius: 2rem;
  background: var(--white-ink);
  transform: rotate(8deg);
}

.phone-notch {
  position: absolute;
  top: 0.45rem;
  left: 50%;
  width: 3rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--ink);
  transform: translateX(-50%);
}

.phone-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  font-weight: 800;
}

.phone-top span {
  width: 18px;
  height: 10px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.phone-preview p {
  font-size: 1.05rem;
  line-height: 1.12;
}

.phone-preview small,
.system-note span {
  display: block;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.64rem;
  text-transform: uppercase;
}

.phone-preview button {
  width: 100%;
  margin-top: var(--space-4);
  padding: 0.55rem;
  color: var(--white-ink);
  background: var(--ink);
  border: 0;
  border-radius: 3px;
  font-size: 0.62rem;
  text-transform: uppercase;
}

.system-note {
  right: 26%;
  bottom: 16%;
  width: 16rem;
  padding: var(--space-4);
  box-shadow: none;
  font-size: 0.88rem;
}

.palette-strip {
  position: absolute;
  right: 18%;
  bottom: 5%;
  display: flex;
  gap: var(--space-2);
}

.palette-strip span {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--swatch);
  border: 1px solid rgba(17, 21, 24, 0.12);
}

.hero-foundation {
  grid-area: foundation;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.85rem, 1.6vw, 1.35rem);
}

.hero-foundation article,
.receive-card,
.steps-panel,
.engine-diagram,
.faq-list details {
  border: 1px solid color-mix(in srgb, var(--violet) 54%, var(--line));
  background: color-mix(in srgb, var(--paper) 80%, white);
  border-radius: var(--radius-md);
}

.hero-foundation article {
  min-height: clamp(8.8rem, 17vh, 12.5rem);
  padding: clamp(0.9rem, 1.7vw, 1.35rem);
}

.hero-foundation span,
.receive-card span,
.step-grid li::before,
.section-number {
  display: block;
  margin-bottom: clamp(0.45rem, 1vh, 0.8rem);
  color: var(--violet);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.74rem;
}

.hero-foundation h2,
.receive-card h3,
.step-grid h3 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.15rem, 1.55vw, 1.55rem);
  line-height: 1.05;
  font-weight: 690;
}

.hero-foundation p {
  margin-bottom: 0;
  font-size: clamp(0.72rem, 0.86vw, 0.92rem);
  line-height: 1.35;
}

.hero-foundation p,
.receive-card p,
.step-grid p,
.engine-copy p,
.faq-list p {
  color: var(--quiet);
}

.mini-tags {
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.mini-tags span {
  margin: 0;
  padding: 0.55rem 0.8rem;
  color: var(--quiet);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--paper);
}

.receive-section,
.pricing-section,
.engine-section,
.faq-section {
  padding: clamp(4rem, 9vw, 8rem) clamp(1rem, 4vw, 4.5rem);
}

.receive-section {
  display: grid;
  grid-template-columns: minmax(13rem, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.section-number {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  left: clamp(1rem, 4vw, 4rem);
}

.section-intro {
  position: sticky;
  top: 7rem;
}

.section-intro h2,
.price-card h2,
.engine-copy h2,
.faq-aside h2 {
  margin-bottom: var(--space-4);
  font-family: "Poppins", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(3rem, 6vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.section-intro h2::after,
.price-card .eyebrow::after,
.engine-copy h2::after,
.faq-aside h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 2px;
  margin-top: var(--space-4);
  background: var(--violet);
}

.receive-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(9rem, 1fr));
  gap: var(--space-4);
}

.receive-card {
  min-height: 23rem;
  padding: var(--space-6) var(--space-4);
  box-shadow: var(--shadow-card);
  transform: rotate(var(--tilt, -1deg));
}

.receive-card:nth-child(even) {
  margin-top: var(--space-8);
}

.receive-card svg {
  width: 3.4rem;
  height: 3.4rem;
  margin-bottom: var(--space-8);
  color: var(--violet);
}

.receive-card code {
  padding: 0.08em 0.28em;
  color: var(--violet);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: color-mix(in srgb, var(--paper) 72%, white);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.skew-low {
  --tilt: 1.5deg;
}

.skew-high {
  --tilt: -2deg;
}

.receive-support {
  grid-column: 2;
  display: grid;
  grid-template-columns: minmax(12rem, 0.9fr) minmax(18rem, 1.25fr) minmax(16rem, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
}

.receive-support p {
  margin-bottom: 0;
}

.receive-anchor {
  justify-self: start;
  max-width: 18rem;
}

.receive-format {
  justify-self: center;
  max-width: 34rem;
}

.guide-cta {
  display: grid;
  justify-items: start;
  gap: var(--space-3);
  max-width: 25rem;
}

.guide-cta .button {
  min-height: 42px;
  padding: 0.68rem 1rem;
  font-family: ui-sans-serif, "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  font-size: 0.88rem;
}

.receive-format span {
  color: var(--violet);
  text-transform: uppercase;
}

.fine-tune-block {
  grid-column: 1 / -1;
  max-width: var(--max);
  margin-top: clamp(2rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border: 1px solid color-mix(in srgb, var(--violet) 62%, var(--line));
  border-radius: var(--radius-md);
  background: #d5c6e6;
  box-shadow: var(--shadow-card);
}

.fine-tune-block h3 {
  margin-bottom: var(--space-3);
  font-family: "Poppins", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.05;
}

.fine-tune-block p {
  max-width: 82ch;
  margin-bottom: var(--space-3);
  color: var(--ink);
}

.fine-tune-block p:last-child {
  margin-bottom: 0;
}

.pricing-section {
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.price-card {
  position: relative;
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-paper);
  transform: rotate(-5deg);
}

.price-card::before {
  content: "";
  position: absolute;
  inset: 1.1rem -0.8rem -1.2rem 1rem;
  z-index: -1;
  border: 1px solid var(--line-soft);
  border-radius: inherit;
  background: color-mix(in srgb, var(--paper-2) 90%, white);
}

.price-card h2 {
  margin-bottom: var(--space-5);
  color: var(--violet);
  font-size: clamp(6rem, 12vw, 12rem);
  font-variant-numeric: tabular-nums;
}

.steps-panel {
  padding: clamp(1rem, 3vw, 2rem);
  background: transparent;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  counter-reset: steps;
  list-style: none;
}

.step-grid li {
  position: relative;
  min-height: 24rem;
  padding: var(--space-8);
  border-right: 1px solid color-mix(in srgb, var(--violet) 54%, var(--line));
  counter-increment: steps;
}

.step-grid li:last-child {
  border-right: 0;
}

.step-grid li::before {
  content: "0" counter(steps);
}

.step-grid li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -0.65rem;
  top: 50%;
  width: 1.3rem;
  height: 1.3rem;
  background: var(--violet);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transform: translateY(-50%);
}

.step-grid svg {
  width: 4rem;
  height: 4rem;
  margin-bottom: var(--space-8);
  color: var(--violet);
}

.anchor-strip {
  margin: var(--space-8) 0 0;
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--violet);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.84rem;
  text-transform: uppercase;
}

.engine-section {
  display: grid;
  grid-template-columns: minmax(18rem, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.engine-copy {
  max-width: 30rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-4) 0 var(--space-6);
  padding: 0.65rem 1rem;
  color: var(--clay);
  border: 1px solid var(--clay);
  border-radius: var(--radius-sm);
}

.status-badge::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  background: currentColor;
  border-radius: 50%;
}

.engine-copy small {
  display: block;
  margin-top: var(--space-4);
  color: var(--quiet);
}

.engine-diagram {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 0.8fr 1fr;
  gap: var(--space-6);
  padding: clamp(1rem, 3vw, 2rem);
  background: var(--paper-2);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.engine-diagram > div {
  position: relative;
  z-index: 2;
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--paper) 78%, white);
}

.engine-flow-lines {
  position: absolute;
  inset: clamp(1rem, 3vw, 2rem);
  z-index: 3;
  width: calc(100% - (clamp(1rem, 3vw, 2rem) * 2));
  height: calc(100% - (clamp(1rem, 3vw, 2rem) * 2));
  pointer-events: none;
}

.engine-flow-lines path {
  fill: none;
  stroke: var(--violet);
  stroke-width: 1.8;
  vector-effect: non-scaling-stroke;
}

.engine-flow-lines path:first-of-type,
.engine-flow-lines path:nth-of-type(2),
.engine-flow-lines path:nth-of-type(n + 4) {
  marker-end: url("#flow-arrow");
}

.engine-flow-lines marker path {
  fill: var(--violet);
  stroke: none;
}

.notes-stack ul,
.output-stack ul {
  margin: var(--space-4) 0;
  padding: 0;
  list-style: none;
}

.notes-stack li,
.output-stack li {
  margin-bottom: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--line-soft);
  background: var(--paper);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
}

.output-stack li {
  padding-left: calc(var(--space-3) + 1.25rem);
}

.engine-core {
  text-align: center;
}

.engine-core .gear-icon {
  width: 6rem;
  height: 6rem;
  margin: var(--space-6) auto;
  color: var(--violet);
}

.gear-ring {
  fill: color-mix(in srgb, var(--paper) 82%, white);
  stroke: color-mix(in srgb, var(--ink) 84%, var(--violet));
  stroke-width: 2.2;
}

.gear-fill {
  fill: color-mix(in srgb, var(--violet) 72%, var(--ink));
}

.gear-hole {
  fill: color-mix(in srgb, var(--paper) 82%, white);
}

.engine-core p,
.output-stack strong {
  font-weight: 760;
}

.engine-core span,
.output-stack span {
  display: block;
  color: var(--quiet);
  font-weight: 400;
}

.engine-diagram small {
  color: var(--quiet);
}

.faq-section {
  display: grid;
  grid-template-columns: minmax(12rem, 0.38fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
}

.faq-aside p {
  display: inline-block;
  padding: var(--space-4);
  border: 1px solid color-mix(in srgb, var(--violet) 60%, var(--line));
  border-radius: var(--radius-sm);
  color: var(--violet);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
  transform: rotate(-4deg);
}

.faq-list {
  align-self: start;
}

.faq-list details {
  border-radius: 0;
  background: transparent;
  border-bottom: 0;
}

.faq-list details:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.faq-list details:last-child {
  border-bottom: 1px solid color-mix(in srgb, var(--violet) 54%, var(--line));
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.faq-list summary {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-5, 1.25rem) var(--space-6);
  cursor: pointer;
  list-style: none;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--violet);
  font-size: 1.4rem;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list summary span {
  color: var(--violet);
}

.faq-answer {
  max-width: 76ch;
  margin: 0;
  padding: 0 var(--space-6) var(--space-6) calc(3rem + var(--space-10, 2.5rem));
}

.faq-answer p {
  max-width: none;
  margin: 0 0 var(--space-4);
  padding: 0;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
  padding-left: 1.15rem;
}

.faq-answer li {
  padding-left: 0.25rem;
  color: var(--quiet);
}

.faq-answer code {
  padding: 0.08em 0.28em;
  color: var(--violet);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: color-mix(in srgb, var(--paper) 72%, white);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.site-footer {
  position: relative;
  display: grid;
  grid-template-columns: minmax(18rem, 0.8fr) minmax(18rem, 1fr) 9rem;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 4.5rem) var(--space-6);
  color: var(--white-ink);
  background:
    radial-gradient(circle at 78% 38%, rgba(168, 178, 198, 0.12), transparent 16rem),
    #11181a;
}

.site-footer .rail-code {
  position: absolute;
  left: clamp(0.8rem, 2vw, 2rem);
  top: 3rem;
  color: var(--blue-note);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.footer-mark span {
  display: block;
  margin-bottom: var(--space-4);
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 0.9;
  text-transform: uppercase;
}

.footer-mark i {
  color: var(--white-ink);
}

.footer-mark p {
  max-width: 18rem;
  margin: var(--space-4) 0 0;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.site-footer nav {
  display: flex;
  justify-content: center;
  align-items: start;
  gap: clamp(1rem, 5vw, 5rem);
  padding-top: var(--space-8);
}

.site-footer a {
  color: inherit;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--blue-note);
}

.footer-orbit {
  width: 6.5rem;
  height: 6.5rem;
  margin-top: var(--space-6);
  border: 1px solid var(--blue-note);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), var(--blue-note) 50%, transparent calc(50% + 1px)),
    linear-gradient(transparent calc(50% - 1px), var(--blue-note) 50%, transparent calc(50% + 1px));
  opacity: 0.75;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.78fr);
  gap: var(--space-4);
  align-items: start;
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 250, 240, 0.36);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.footer-bottom small:last-child {
  justify-self: end;
  max-width: 34rem;
  color: color-mix(in srgb, var(--white-ink) 82%, var(--blue-note));
  text-align: right;
}

.footer-bottom strong {
  color: var(--white-ink);
  font-weight: 760;
}

.guide-hero {
  display: grid;
  grid-template-columns: minmax(20rem, 0.8fr) minmax(22rem, 33rem);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  min-height: calc(100vh - 66px);
  padding: clamp(5rem, 8vw, 8rem) clamp(2rem, 7vw, 7rem) clamp(4rem, 7vw, 7rem);
}

.guide-copy {
  max-width: 49rem;
}

.guide-copy h1 {
  max-width: 13ch;
  margin: var(--space-4) 0 var(--space-6);
  font-family: Poppins, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(2.85rem, 4.35vw, 5.1rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
}

.guide-copy .hero-lede {
  max-width: 45rem;
}

.guide-notes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8rem;
  color: var(--violet);
  text-transform: uppercase;
}

.guide-notes span {
  padding: 0.55rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--violet) 45%, var(--line-soft));
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--paper) 78%, var(--paper-2));
}

.guide-signup-card {
  position: relative;
  padding: clamp(1.35rem, 3vw, 2.2rem);
  border: 1px solid color-mix(in srgb, var(--violet) 56%, var(--line));
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--paper) 78%, var(--lavender)), var(--paper-2));
  box-shadow: var(--shadow-paper);
  transform: none;
}

.guide-signup-card::before,
.guide-signup-card::after {
  content: none;
  position: absolute;
  pointer-events: none;
  background: var(--violet);
}

.guide-signup-card::before {
  top: 1rem;
  right: 1rem;
  width: 1px;
  height: 3.3rem;
}

.guide-signup-card::after {
  top: 2.6rem;
  right: -0.65rem;
  width: 3.3rem;
  height: 1px;
}

.guide-signup-card h2 {
  max-width: 18ch;
  margin: var(--space-3) 0 var(--space-4);
  font-family: Poppins, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.55rem, 2.35vw, 2.15rem);
  line-height: 1.12;
}

.guide-signup-card p {
  color: var(--quiet);
}

.guide-signup-card label:not(.trap-field) {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: 0.95rem;
}

.guide-signup-card label > span:first-child {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  color: var(--violet);
  text-transform: uppercase;
}

.guide-signup-card input[type="email"],
.guide-signup-card input[type="text"] {
  width: 100%;
  min-height: 52px;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: color-mix(in srgb, var(--paper) 88%, var(--white-ink));
  font: inherit;
}

.guide-signup-card input[type="email"]:focus-visible,
.guide-signup-card input[type="text"]:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.check-field {
  grid-template-columns: 1.05rem 1fr;
  align-items: start;
  color: var(--quiet);
}

.check-field input {
  width: 1rem;
  height: 1rem;
  margin: 0.2rem 0 0;
  accent-color: var(--violet);
}

.guide-signup-card .button {
  width: 100%;
  margin-top: var(--space-6);
}

.guide-signup-card small,
.form-message {
  display: block;
  margin-top: var(--space-4);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
}

.form-message {
  min-height: 1.5rem;
  color: var(--violet);
}

.form-message.is-error {
  color: var(--clay);
}

.trap-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.guide-system {
  display: grid;
  grid-template-columns: minmax(14rem, 22rem) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  border-top: 1px solid color-mix(in srgb, var(--violet) 25%, var(--line-soft));
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.guide-grid article {
  min-height: 17rem;
  padding: var(--space-6);
  border: 1px solid color-mix(in srgb, var(--violet) 48%, var(--line));
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--paper) 76%, var(--paper-2));
  box-shadow: var(--shadow-card);
}

.guide-grid article:nth-child(2) {
  transform: rotate(-1deg);
}

.guide-grid article:nth-child(3) {
  transform: rotate(0.7deg);
}

.guide-grid span {
  display: block;
  margin-bottom: var(--space-8);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  color: var(--violet);
}

.guide-grid h3 {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.1;
}

.guide-grid p {
  margin: 0;
  color: var(--quiet);
}

.bingo-page {
  min-height: 100vh;
}

.bingo-header {
  display: flex;
  align-items: center;
  min-height: 70px;
  padding: 0 clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(92, 92, 154, 0.22);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
}

.bingo-hero {
  display: grid;
  grid-template-columns: minmax(18rem, 0.86fr) minmax(20rem, 0.72fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  min-height: calc(100svh - 70px);
  padding: clamp(3rem, 7vw, 7rem) clamp(1rem, 4vw, 4.5rem);
}

.bingo-copy {
  max-width: 45rem;
}

.bingo-copy h1 {
  margin: 0 0 var(--space-4);
  font-size: clamp(4rem, 10vw, 9.5rem);
  line-height: 0.82;
  color: var(--violet);
}

.bingo-slogan {
  max-width: 41rem;
  margin: 0 0 var(--space-6);
  font-size: clamp(1.35rem, 2.4vw, 2.35rem);
  font-weight: 760;
  line-height: 1.08;
}

.bingo-lede {
  max-width: 39rem;
  margin: 0 0 var(--space-8);
  color: var(--quiet);
  font-size: clamp(1rem, 1.35vw, 1.16rem);
}

.bingo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-4);
}

.bingo-note {
  max-width: 37rem;
  margin: 0;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  color: var(--quiet);
  font-size: 0.9rem;
}

.bingo-preview {
  position: relative;
  margin: 0;
  padding: clamp(0.7rem, 1.5vw, 1rem);
  border: 1px solid color-mix(in srgb, var(--violet) 52%, var(--line));
  border-radius: var(--radius-md);
  background:
    linear-gradient(90deg, rgba(92, 92, 154, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(92, 92, 154, 0.06) 1px, transparent 1px),
    var(--paper-2);
  background-size: 36px 36px;
  box-shadow: var(--shadow-paper);
  transform: rotate(1.1deg);
}

.bingo-preview::before,
.bingo-preview::after {
  content: "";
  position: absolute;
  z-index: 1;
  width: 3.25rem;
  height: 3.25rem;
  border-color: var(--violet);
  opacity: 0.72;
  pointer-events: none;
}

.bingo-preview::before {
  top: -0.8rem;
  left: -0.8rem;
  border-top: 1px solid;
  border-left: 1px solid;
}

.bingo-preview::after {
  right: -0.8rem;
  bottom: -0.8rem;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.bingo-preview img {
  display: block;
  width: 100%;
  max-height: min(76svh, 62rem);
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
}

.bingo-preview figcaption {
  margin-top: var(--space-3);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  color: var(--quiet);
  font-size: 0.85rem;
}

.bingo-footer {
  margin-top: 0;
}

.reveal {
  opacity: 1;
  transform: none;
}

@media (max-width: 1180px) {
  .receive-grid {
    grid-template-columns: repeat(3, minmax(12rem, 1fr));
  }

  .receive-card:nth-child(even) {
    margin-top: 0;
  }

  .receive-support {
    grid-column: 1 / -1;
    grid-template-columns: minmax(12rem, 0.8fr) minmax(18rem, 1.1fr);
  }

  .guide-cta {
    grid-column: 1 / -1;
    max-width: 34rem;
  }
}

@media (min-width: 981px) and (max-height: 850px) {
  .site-header {
    min-height: 58px;
  }

  .hero {
    min-height: calc(100svh - 58px);
    gap: 0.75rem clamp(1.25rem, 2.5vw, 3rem);
    padding-top: clamp(1rem, 2vh, 1.4rem);
    padding-bottom: 0.85rem;
  }

  .hero-board img {
    max-height: min(51vh, 30rem);
  }

  h1 {
    margin-bottom: 0.7rem;
    font-size: clamp(3.25rem, 6vw, 6.35rem);
  }

  .hero-lede {
    margin-bottom: 0.55rem;
    font-size: clamp(0.86rem, 1vw, 1.02rem);
  }

  .hero-actions {
    margin-bottom: 0.45rem;
  }

  .tool-line {
    font-size: 0.78rem;
  }

  .hero-foundation {
    gap: 0.75rem;
  }

  .hero-foundation article {
    min-height: 9rem;
    padding: 0.8rem 1rem;
  }

  .hero-foundation h2 {
    margin-bottom: 0.45rem;
    font-size: clamp(1.02rem, 1.35vw, 1.28rem);
  }

  .hero-foundation p {
    font-size: 0.68rem;
    line-height: 1.25;
  }
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    inset: 66px 0 auto 0;
    display: grid;
    gap: var(--space-4);
    padding: var(--space-6);
    border-bottom: 1px solid var(--line-soft);
    background: var(--paper);
    transform: translateY(calc(-100% - 70px));
    transition: transform 240ms var(--ease-out);
  }

  body.nav-open .primary-nav {
    transform: translateY(0);
  }

  body.nav-open .nav-toggle span:nth-child(2) {
    transform: translateY(5px) rotate(45deg);
  }

  body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  .hero,
  .receive-section,
  .pricing-section,
  .engine-section,
  .faq-section,
  .guide-hero,
  .guide-system,
  .bingo-hero,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    grid-template-areas:
      "copy"
      "board"
      "foundation";
  }

  .hero-board {
    min-height: 38rem;
  }

  .hero-foundation,
  .step-grid,
  .engine-diagram,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .section-intro {
    position: static;
  }

  .steps-panel {
    padding: 0;
  }

  .step-grid li {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--violet) 54%, var(--line));
  }

  .step-grid li:last-child {
    border-bottom: 0;
  }

  .step-grid li:not(:last-child)::after,
  .engine-diagram > div:not(:last-child)::after {
    display: none;
  }

  .engine-flow-lines {
    display: none;
  }

  .price-card {
    max-width: 36rem;
    transform: rotate(-2deg);
  }

  .guide-hero {
    min-height: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
  }

  .guide-signup-card,
  .guide-grid article,
  .bingo-preview {
    transform: none;
  }

  .bingo-hero {
    min-height: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
  }

  .bingo-preview img {
    max-height: none;
  }

  .receive-support,
  .fine-tune-block {
    grid-column: 1;
  }

  .engine-diagram {
    gap: var(--space-4);
  }

  .site-footer nav {
    justify-content: start;
    flex-wrap: wrap;
    padding-top: 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 68px;
  }

  .primary-nav {
    inset: 66px 0 auto 0;
  }

  .hero {
    padding-top: var(--space-12);
  }

  .guide-hero {
    padding-top: var(--space-12);
  }

  .bingo-header {
    min-height: 68px;
  }

  .bingo-header .brand-mark img {
    width: clamp(11rem, 58vw, 14rem);
  }

  .bingo-hero {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .bingo-copy h1 {
    font-size: clamp(3.35rem, 18vw, 5.4rem);
  }

  .bingo-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .bingo-actions .button {
    width: 100%;
  }

  .guide-copy h1 {
    font-size: clamp(2.45rem, 10vw, 3.8rem);
  }

  .rail-left {
    display: none;
  }

  .blueprint-section,
  .site-footer {
    overflow-x: clip;
  }

  .site-footer .rail-code {
    display: none;
  }

  h1 {
    font-size: clamp(3.6rem, 17vw, 5.8rem);
  }

  .hero-board {
    min-height: 42rem;
  }

  .blueprint-book {
    width: 64%;
    left: 0;
    top: 3%;
  }

  .side-card {
    display: none;
  }

  .do-dont-card {
    width: 78%;
    right: 0;
    top: 38%;
  }

  .phone-preview {
    width: 8.6rem;
    min-height: 16rem;
    top: 20%;
    right: 0;
  }

  .system-note,
  .palette-strip {
    display: none;
  }

  .do-dont-grid {
    grid-template-columns: 1fr;
  }

  .do-dont-grid > div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .tabs span {
    min-width: 3rem;
    padding-inline: 0.7rem;
  }

  .receive-grid {
    grid-template-columns: 1fr;
  }

  .receive-card {
    min-height: auto;
    transform: none;
  }

  .hero-actions {
    align-items: start;
    flex-direction: column;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
  }

  .footer-bottom small:last-child {
    justify-self: start;
    text-align: left;
  }

  .receive-support {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .receive-anchor,
  .receive-format,
  .guide-cta {
    justify-self: start;
    max-width: none;
  }

  .fine-tune-block {
    margin-top: var(--space-10);
  }

  .faq-list summary {
    grid-template-columns: 2rem 1fr auto;
    padding-inline: var(--space-4);
  }

  .faq-answer {
    padding-inline: var(--space-4);
    padding-left: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}