:root {
  --bg: #0a0a0a;
  --card: #111111;
  --border: #222222;
  --text: #f0f0f0;
  --text-secondary: #888888;
  --accent: #00ff88;
  --danger: #e07070;
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 10px;
  --page-pad: clamp(1.25rem, 4vw, 2rem);
  --content: 1040px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 var(--page-pad) 3rem;
}

/* ——— Nav ——— */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0 2.5rem;
  gap: 1rem;
}

.nav__brand {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav__brand:hover {
  color: var(--text);
  opacity: 0.9;
}

.nav__pill {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
}

/* ——— Hero ——— */
.hero {
  padding: 0 0 4.5rem;
  scroll-margin-top: 1.25rem;
}

.hero__inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.live-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.live-label__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.45);
  flex-shrink: 0;
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.85rem, 4.2vw, 2.65rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--text);
}

.hero__sub {
  margin: 0 auto 2.5rem;
  max-width: 52ch;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 480px;
  margin: 0 auto;
  text-align: left;
}

.stat {
  padding: 1.125rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

.stat__value {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.stat__value--accent {
  color: var(--accent);
}

.stat__label {
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--text-secondary);
}

/* ——— Sections ——— */
.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border);
  scroll-margin-top: 1.25rem;
}

.section__title {
  margin: 0 0 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ——— What it does ——— */
.what-lede {
  margin: 0 0 1rem;
  max-width: 28ch;
  font-size: clamp(1.25rem, 2.8vw, 1.5rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text);
}

.what-copy {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ——— Why use it ——— */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.step {
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

.step__name {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.step__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ——— What you get (email preview) ——— */
.sample-card {
  padding: 1.5rem 1.5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.email-preview {
  padding-top: 1.35rem;
}

.email-meta {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.email-subject-line {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.45;
}

.email-subject-k {
  color: var(--text-secondary);
  margin-right: 0.35rem;
}

.email-subject-v {
  color: var(--text);
  font-weight: 500;
}

.email-rule {
  height: 1px;
  margin: 0 0 1.25rem;
  background: var(--border);
  border: none;
}

.move-tag {
  margin: 0 0 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.sample-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem 1.5rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.sample-row:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.sample-row--stack {
  grid-template-columns: 140px 1fr;
  align-items: start;
}

.sample-k {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding-top: 0.15rem;
}

.sample-v {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text);
}

.sample-v--accent {
  color: var(--accent);
  font-weight: 500;
}

.sample-action-intro {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text);
}

.code-block {
  margin: 0;
  padding: 1rem 1.1rem;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.55;
  color: #c8c8c8;
  background: #0a0a0a;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-x: auto;
  overflow-wrap: break-word;
  word-wrap: break-word;
  text-align: left;
}

.code-block code {
  font-family: inherit;
}

/* ——— Form ——— */
.section--form {
  padding-bottom: 1rem;
}

.form-card {
  max-width: 440px;
  margin: 0 auto;
  padding: 2rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

.form-card__title {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-align: center;
  color: var(--text);
}

.form {
  margin: 0;
}

.field {
  margin-bottom: 1rem;
}

.field:last-of-type {
  margin-bottom: 1.25rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.field input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input::placeholder {
  color: #555;
}

.field input:hover {
  border-color: #333;
}

.field input:focus {
  border-color: #444;
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.12);
}

.field-error {
  display: block;
  min-height: 1rem;
  margin-top: 0.3rem;
  font-size: 0.75rem;
  color: var(--danger);
}

.submit {
  position: relative;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.75rem 1rem;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bg);
  background: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.2s ease;
}

.submit:hover:not(:disabled) {
  transform: translateY(-1px);
}

.submit:active:not(:disabled) {
  transform: translateY(0);
}

.submit:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.submit-spinner {
  display: none;
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid rgba(10, 10, 10, 0.2);
  border-top-color: var(--bg);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

.submit.loading .submit-label {
  opacity: 0;
}

.submit.loading .submit-spinner {
  display: block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.form-hint {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  text-align: center;
  color: var(--text-secondary);
}

.form-proof {
  margin: 0.85rem 0 0;
  font-size: 0.8125rem;
  text-align: center;
  color: var(--text-secondary);
}

.form-status {
  margin: 0.75rem 0 0;
  min-height: 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  text-align: center;
  color: var(--text-secondary);
}

.form-status.success {
  color: var(--accent);
}

.form-status.error {
  color: var(--danger);
}

/* ——— Footer ——— */
.footer {
  padding: 2.5rem 0 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ——— Responsive ——— */
@media (max-width: 800px) {
  .steps {
    grid-template-columns: 1fr;
  }

  .sample-row,
  .sample-row--stack {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .sample-k {
    padding-top: 0;
  }
}

@media (max-width: 540px) {
  .hero__stats {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    max-width: 520px;
  }

  .stat {
    padding: 0.95rem 1rem;
  }

  .stat__value {
    font-size: 1.05rem;
  }

  .nav {
    padding-bottom: 2rem;
  }

  .form-card {
    padding: 1.5rem 1.25rem;
    margin: 0 -0.25rem;
  }
}