:root {
  --background: #ffffff;
  --foreground: #000000;
  --surface: #ffffff;
  --surface-strong: #000000;
  --accent: #efbfd0;
  --accent-strong: #cf86a5;
  --accent-soft: rgba(239, 191, 208, 0.45);
  --line: rgba(0, 0, 0, 0.18);
  --line-strong: #000000;
  --shadow-brutal: 6px 6px 0 0 #000000;
  --shadow-accent: 6px 6px 0 0 #cf86a5;
  --success: #0f6a35;
  --error: #9f1d1d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

a,
button,
input {
  transition: color 75ms ease, background-color 75ms ease, border-color 75ms ease, box-shadow 75ms ease;
}

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

.site-header-shell {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 2px solid var(--line-strong);
  background: #ffffff;
}

.site-header-inner,
.container-site {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding-inline: 1rem;
}

.site-header-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.site-wordmark {
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.section-shell {
  padding-block: clamp(4rem, 7vw, 7rem);
}

.border-b {
  border-bottom: 2px solid var(--line-strong);
}

.stack-sm,
.stack-md,
.stack-lg {
  display: grid;
}

.stack-sm {
  gap: 0.75rem;
}

.stack-md {
  gap: 1.25rem;
}

.stack-lg {
  gap: 2rem;
}

.section-grid {
  display: grid;
  gap: 2.5rem;
}

.eyebrow {
  margin: 0;
  font-family: "SFMono-Regular", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.72);
}

.display-xl,
.display-lg {
  margin: 0;
  color: #000000;
  font-weight: 900;
}

.display-xl {
  font-size: clamp(3rem, 8vw, 5.75rem);
  line-height: 0.88;
  letter-spacing: -0.05em;
}

.display-lg {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
}

.max-copy {
  max-width: 64rem;
}

.max-text {
  max-width: 42rem;
}

.text-body-lg {
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.text-body {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(0, 0, 0, 0.82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.status {
  margin: 0;
  border: 2px solid var(--line-strong);
  padding: 14px 16px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-success {
  background: #ecfff2;
  color: var(--success);
}

.status-error {
  background: #fff0f0;
  color: var(--error);
}

.panel {
  border: 2px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow-brutal);
}

.form-panel {
  padding: 1.5rem;
}

.signup-form {
  display: grid;
  gap: 16px;
}

.field-group {
  display: grid;
  gap: 8px;
}

.field-label {
  font-family: "SFMono-Regular", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.field-input {
  width: 100%;
  border: 2px solid var(--line-strong);
  background: #ffffff;
  color: var(--foreground);
  padding: 14px 16px;
  font-size: 1rem;
}

.field-input::placeholder {
  color: rgba(0, 0, 0, 0.45);
}

.button-primary {
  appearance: none;
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line-strong);
  background: var(--accent);
  color: #000000;
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 4px 4px 0 0 #000000;
}

.button-primary:hover {
  background: #000000;
  color: #ffffff;
}

.submit-button {
  width: 100%;
}

@media (min-width: 640px) {
  .site-header-inner,
  .container-site {
    padding-inline: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .site-header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .container-site {
    padding-inline: 2rem;
  }

  .section-grid {
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  .form-panel {
    padding: 1.1rem;
    box-shadow: 5px 5px 0 0 #000000;
  }

  .button-primary {
    width: 100%;
  }
}