:root {
  --bg: #F2EFE6;
  --ink: #0A0A0A;
  --card: #ffffff;
  --acc: #C6FF00;
  --ok: #19C46B;
  --warn: #FFB800;
  --doubt: #FF8A00;
  --bad: #FF3B30;
  --mut: #5b5b55;
  --header: 4.25rem;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0A0A0A;
  --ink: #F5F5F0;
  --card: #161616;
  --mut: #a3a39b;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A0A0A;
    --ink: #F5F5F0;
    --card: #161616;
    --mut: #a3a39b;
    color-scheme: dark;
  }
}

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

html {
  scroll-padding-top: calc(var(--header) + 12px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Manrope, system-ui, sans-serif;
  font-weight: 500;
  font-size: 1.0625rem;
  line-height: 1.5;
  overflow-x: clip;
}

img { max-width: 100%; }

h1, h2, h3, .logo, .step-no, .stamp strong, .ticker p {
  font-family: Unbounded, Impact, sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

h1, h2, h3 { margin: 0; }

h1 {
  font-size: clamp(2.15rem, 11vw, 2.85rem);
}

h2 {
  font-size: clamp(1.7rem, 6.4vw, 2.15rem);
  max-width: 18ch;
  margin-bottom: 1.25rem;
}

p { margin: 0; }

a { color: inherit; }

::selection {
  background: var(--acc);
  color: #0A0A0A;
}

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

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 40;
  background: var(--acc);
  color: #0A0A0A;
  border: 3px solid var(--ink);
  padding: 10px 14px;
  font-weight: 800;
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

mark {
  background: var(--acc);
  color: #0A0A0A;
  padding: 0 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.ink-mark {
  background: #0A0A0A;
  color: var(--acc);
  padding: 0 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 3px solid var(--ink);
  padding-top: env(safe-area-inset-top, 0px);
}

.nav {
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: min(1120px, calc(100% - 24px));
}

.logo {
  font-size: 1rem;
  text-decoration: none;
  color: var(--ink);
  line-height: 1;
}

.logo i {
  font-style: normal;
  background: var(--acc);
  color: #0A0A0A;
  padding: 0 0.14em;
}

.nav-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 18px;
  border: 3px solid var(--ink);
  background: var(--acc);
  color: #0A0A0A;
  box-shadow: 5px 5px 0 var(--ink);
  font: 800 0.92rem/1 Manrope, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: transform 120ms ease-out, box-shadow 120ms ease-out;
}

.btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink);
}

.btn:active,
.btn:disabled {
  transform: translate(5px, 5px);
  box-shadow: 0 0 0 var(--ink);
}

.btn:focus-visible,
.field:focus-visible,
summary:focus-visible,
.logo:focus-visible {
  outline: 3px solid var(--acc);
  outline-offset: 3px;
}

.btn-ghost {
  background: var(--card);
  color: var(--ink);
}

.btn-small {
  min-height: 44px;
  padding: 0 12px;
  font-size: 0.72rem;
  box-shadow: 3px 3px 0 var(--ink);
}

.btn-small:hover {
  box-shadow: 1px 1px 0 var(--ink);
}

.btn-small:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--ink);
}

.btn:disabled {
  cursor: wait;
}

.hero {
  padding: 28px 0 36px;
}

.hero-grid {
  display: grid;
  gap: 28px;
}

.lede {
  margin: 18px 0 22px;
  max-width: 38rem;
  font-size: 1.125rem;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.actions .btn {
  width: 100%;
}

.phone-tilt {
  padding: 0 10px 10px 0;
}

.phone {
  background: var(--card);
  border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--acc), 8px 8px 0 3px var(--ink);
  padding: 16px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--mut);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kv {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 2px dashed var(--mut);
  font-weight: 800;
  font-size: 0.95rem;
}

.kv b {
  font-weight: 800;
  text-align: right;
}

.demo-controls {
  display: none;
  margin-top: 14px;
}

.js .demo-controls {
  display: grid;
  gap: 12px;
}

.slider-top {
  display: flex;
  justify-content: space-between;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.slider {
  display: grid;
  gap: 6px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 28px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}

input[type="range"]:focus-visible {
  outline: 3px solid var(--acc);
  outline-offset: 3px;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 12px;
  background: var(--bg);
  border: 3px solid var(--ink);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -8px;
  background: var(--acc);
  border: 3px solid var(--ink);
}

input[type="range"]::-moz-range-track {
  height: 12px;
  background: var(--bg);
  border: 3px solid var(--ink);
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--acc);
  border: 3px solid var(--ink);
  border-radius: 0;
}

.stamp {
  margin-top: 14px;
  padding: 14px;
  border: 3px solid var(--ink);
  background: var(--ok);
  color: #0A0A0A;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.stamp small,
.stamp span {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stamp strong {
  display: block;
  margin: 4px 0 10px;
  font-size: clamp(1.7rem, 7vw, 2.1rem);
}

.stamp[data-tone="ok"] { background: var(--ok); color: #0A0A0A; }
.stamp[data-tone="mid"] { background: var(--warn); color: #0A0A0A; }
.stamp[data-tone="doubt"] { background: var(--doubt); color: #0A0A0A; }
.stamp[data-tone="no"] { background: var(--bad); color: #fff; }

.meter {
  height: 16px;
  margin: 8px 0;
  border: 3px solid var(--ink);
  background: var(--card);
}

.meter i {
  display: block;
  height: 100%;
  background: var(--ink);
  transition: width 160ms ease-out;
}

.demo-action {
  margin-top: 14px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--ink);
  background: var(--acc);
  color: #0A0A0A;
  box-shadow: 3px 3px 0 var(--ink);
  font: 800 0.8rem/1 Manrope, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ticker {
  overflow: hidden;
  background: var(--ink);
  color: var(--bg);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 28s linear infinite;
}

.ticker p {
  margin: 0;
  padding: 14px 0;
  font-size: 0.95rem;
  white-space: nowrap;
}

.ticker span { margin: 0 8px 0 22px; }

.ticker b {
  color: var(--acc);
  font-weight: 900;
}

@keyframes ticker {
  to { transform: translateX(-50%); }
}

.block {
  padding: 52px 0;
  border-top: 3px solid var(--ink);
}

.cards {
  display: grid;
  gap: 16px;
  padding: 0 6px 6px 0;
}

.card {
  background: var(--card);
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 18px;
  min-width: 0;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.card p { color: var(--mut); }

.step-no {
  display: block;
  margin-bottom: 8px;
  font-size: 2.6rem;
  color: var(--acc);
  -webkit-text-stroke: 2px var(--ink);
  paint-order: stroke fill;
}

.stamp-row {
  list-style: none;
  margin: 0;
  padding: 0 8px 8px 0;
  display: grid;
  gap: 14px;
}

.stamp-row .stamp {
  margin: 0;
  box-shadow: 4px 4px 0 var(--ink);
}

.stamp-row .stamp strong {
  font-size: clamp(1.55rem, 8vw, 2rem);
}

.faq-wrap { max-width: 760px; }

.faq {
  display: grid;
  gap: 12px;
  padding: 0 6px 6px 0;
}

details {
  background: var(--card);
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

summary {
  min-height: 52px;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  font-family: Unbounded, sans-serif;
  font-weight: 900;
  flex-shrink: 0;
}

details[open] summary::after { content: "–"; }

details p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--mut);
}

.band {
  background: var(--acc);
  color: #0A0A0A;
  border-top: 3px solid var(--ink);
  padding: 56px 0;
}

.band h2,
.band .lede { color: #0A0A0A; }

.band .lede { max-width: 40rem; }

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

.field {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 3px solid #0A0A0A;
  background: #fff;
  color: #0A0A0A;
  font: 700 1rem/1 Manrope, sans-serif;
  outline: none;
}

.field::placeholder { color: #5b5b55; }

.field:focus {
  box-shadow: 5px 5px 0 #0A0A0A;
}

.field[aria-invalid="true"] {
  box-shadow: 5px 5px 0 var(--bad);
}

.band .btn {
  width: 100%;
  background: #0A0A0A;
  color: #F5F5F0;
  border-color: #0A0A0A;
  box-shadow: 5px 5px 0 #F5F5F0;
}

.band .btn:hover {
  box-shadow: 3px 3px 0 #F5F5F0;
}

.band .btn:active,
.band .btn:disabled {
  box-shadow: 0 0 0 #F5F5F0;
}

.form-note {
  margin: 0;
  font-weight: 800;
}

.success {
  margin-top: 4px;
  padding: 16px;
  background: #0A0A0A;
  color: #F5F5F0;
  border: 3px solid #0A0A0A;
  box-shadow: 5px 5px 0 #F5F5F0;
}

.success p { font-weight: 700; }

.success strong {
  color: var(--acc);
  font-weight: 800;
}

.site-footer {
  padding: 28px 0 calc(32px + env(safe-area-inset-bottom, 0px));
  border-top: 3px solid var(--ink);
  color: var(--mut);
  font-size: 0.85rem;
}

.word {
  display: inline-block;
}

@media (min-width: 761px) {
  h1 { font-size: clamp(2.8rem, 6vw, 3.6rem); }
  h2 { font-size: clamp(2rem, 4vw, 2.6rem); margin-bottom: 1.6rem; }

  .logo { font-size: 1.25rem; }

  .btn-small {
    font-size: 0.8rem;
    padding: 0 14px;
  }

  .hero { padding: 48px 0 56px; }

  .actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .actions .btn { width: auto; }

  .cards-3,
  .cards-features,
  .stamp-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card { box-shadow: 6px 6px 0 var(--ink); padding: 22px; }
  .stamp-row .stamp,
  details { box-shadow: 6px 6px 0 var(--ink); }

  .cta-form {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .field { width: min(100%, 320px); }

  .band .btn { width: auto; }

  .form-note,
  .success { flex-basis: 100%; }
}

@media (min-width: 1080px) {
  h1 { font-size: clamp(3.6rem, 4.8vw, 4.7rem); }
  h2 { font-size: 3rem; max-width: 16ch; }

  .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.82fr);
    gap: 56px;
    align-items: center;
  }

  .phone-tilt {
    transform: rotate(2deg);
    transform-origin: 60% 40%;
    padding: 12px 18px 18px 8px;
  }

  .phone {
    box-shadow: 12px 12px 0 var(--acc), 12px 12px 0 3px var(--ink);
    padding: 18px;
  }

  .cards-3,
  .cards-features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .stamp-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .stamp-row .stamp strong {
    font-size: 1.35rem;
  }

  .block { padding: 72px 0; }
}

@media (max-width: 760px) {
  .wrap { width: min(1120px, calc(100% - 28px)); }
  .nav { width: min(1120px, calc(100% - 20px)); }
  .card h3 { font-size: 1.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  .btn,
  .stamp,
  .meter i { transition: none; }
  html { scroll-behavior: auto; }
}