:root {
  color-scheme: light;
  --canvas: #f3f0e7;
  --surface: #fffefa;
  --surface-muted: #ece8dc;
  --surface-warm: #fff5cc;
  --ink: #253022;
  --ink-strong: #172016;
  --ink-muted: #687064;
  --brand-green: #08dc2e;
  --brand-yellow: #f4c95d;
  --brand-yellow-hover: #e9b93f;
  --accent: #4d5fa8;
  --accent-hover: #3f4f91;
  --border: #d9d4c7;
  --border-strong: #afa99a;
  --success: #3f6e51;
  --focus: rgba(77, 95, 168, 0.25);
  --shadow: 0 12px 34px rgba(37, 48, 34, 0.1), 0 1px 2px rgba(37, 48, 34, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --canvas: #181c17;
    --surface: #222820;
    --surface-muted: #2c3329;
    --surface-warm: #37341f;
    --ink: #dfe5da;
    --ink-strong: #f8faf5;
    --ink-muted: #b4bcae;
    --brand-yellow: #f4c95d;
    --brand-yellow-hover: #ffd778;
    --accent: #aebaff;
    --accent-hover: #c5ceff;
    --border: #465043;
    --border-strong: #687463;
    --success: #8ac99c;
    --focus: rgba(174, 186, 255, 0.3);
    --shadow: 0 14px 38px rgba(0, 0, 0, 0.32), 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--canvas);
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px var(--focus);
}

.site-header,
.site-footer,
.page-shell,
.hero,
.legal-shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink-strong);
  font-weight: 760;
  line-height: 1.2;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
}

.header-note {
  color: var(--success);
  font-size: 0.84rem;
  font-weight: 700;
}

main {
  flex: 1;
}

.hero {
  padding: clamp(56px, 9vw, 116px) 0 54px;
}

.eyebrow,
.step-label {
  margin: 0 0 12px;
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 820px;
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(2.35rem, 6.4vw, 5.2rem);
  line-height: 0.99;
  letter-spacing: -0.052em;
}

.value-line {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--ink-muted);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  line-height: 1.55;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink-strong);
  font: inherit;
  font-weight: 760;
  text-decoration: none;
  transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.button:hover {
  border-color: var(--ink-muted);
  background: var(--surface-muted);
  color: var(--ink-strong);
}

.button:active {
  transform: translateY(1px);
}

.button-primary {
  border-color: #b98b13;
  background: var(--brand-yellow);
}

.button-primary:hover {
  border-color: #a97c0b;
  background: var(--brand-yellow-hover);
}

.device-note {
  color: var(--success);
  font-size: 0.9rem;
  font-weight: 680;
}

.benefits {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto clamp(58px, 9vw, 108px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.benefit {
  padding: 28px 26px 30px;
}

.benefit + .benefit {
  border-left: 1px solid var(--border);
}

.benefit-number {
  display: block;
  margin-bottom: 18px;
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 800;
}

.benefit h2,
.step h2 {
  margin: 0 0 9px;
  color: var(--ink-strong);
  font-size: 1.15rem;
  line-height: 1.3;
}

.benefit p,
.step p,
.intro {
  margin: 0;
  color: var(--ink-muted);
}

.site-footer {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  border-top: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-shell,
.legal-shell {
  max-width: 820px;
  padding: clamp(42px, 7vw, 82px) 0 clamp(58px, 8vw, 96px);
}

.page-shell h1,
.legal-shell h1 {
  font-size: clamp(2.25rem, 5.6vw, 4.35rem);
}

.intro {
  max-width: 680px;
  margin-top: 20px;
  font-size: 1.08rem;
}

.steps {
  margin-top: 40px;
  border-top: 1px solid var(--border);
}

.step {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.toolbar-mock {
  width: min(100%, 520px);
  height: auto;
  display: block;
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.privacy-note {
  margin: 30px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--brand-green);
  background: var(--surface);
  color: var(--success);
  font-weight: 720;
}

.reason-list {
  max-width: 650px;
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.reason-button {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink-strong);
  font-weight: 680;
  text-decoration: none;
}

.reason-button::after {
  content: "Send feedback";
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 760;
}

.reason-button:hover {
  border-color: var(--border-strong);
  background: var(--surface-warm);
  color: var(--ink-strong);
}

.reason-button.is-clicked::after {
  content: "Thanks";
  color: var(--success);
}

.direct-contact {
  margin-top: 26px;
}

.not-found {
  min-height: calc(100vh - 164px);
  display: grid;
  place-items: center;
  padding: 42px 20px;
  text-align: center;
}

.not-found h1 {
  font-size: clamp(3.8rem, 13vw, 8rem);
}

.not-found p {
  margin: 16px auto 26px;
  color: var(--ink-muted);
}

@media (max-width: 720px) {
  .site-header,
  .site-footer,
  .page-shell,
  .hero,
  .legal-shell,
  .benefits {
    width: min(100% - 28px, 1120px);
  }

  .header-note {
    display: none;
  }

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

  .benefit {
    padding-inline: 4px;
  }

  .benefit + .benefit {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .step {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}