:root {
  --color-primary: #1a1a1a;
  --color-secondary: #ffffff;
  --color-accent: #2563eb;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-subtle: #f9fafb;
  --color-border: #e5e7eb;
  --font-heading: 'Source Serif 4', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --max-width-content: 720px;
  --space-section: 4rem;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Section spacing */
section {
  padding: var(--space-section) 0;
}

/* Typography */
h1 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

/* Hero section */
.hero {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 0 2.5rem;
}

.hero__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 1.25rem;
}

.hero__regulatory {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.875rem;
  line-height: 1.5;
}

/* Lead magnet form section */
.lead-magnet {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.lead-magnet__headline {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.lead-magnet__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 560px;
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 480px;
}

.form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-secondary);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
}

.form__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form__input::placeholder {
  color: var(--color-text-muted);
}

.form__button {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-secondary);
  background-color: var(--color-accent);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
  text-align: center;
  -webkit-appearance: none;
}

.form__button:hover {
  background-color: #1d4ed8;
}

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

.form__rgpd {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: 0.25rem;
}

/* Prompts preview section */
.prompts-preview {
  background-color: var(--color-bg);
}

.prompts-preview__intro {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.prompt-block {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.prompt-block__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.prompt-block__category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.prompt-block__separator {
  color: var(--color-border);
}

.prompt-block__number {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.prompt-block__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.625rem;
  color: var(--color-text);
}

.prompt-block__content {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) - 2px);
  padding: 1rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.prompt-block__anon {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 0.5rem;
  width: 100%;
}

/* Trust signals section */
.trust-signals {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0;
}

.trust-signals__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.trust-signals__item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.trust-signals__item::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  min-width: 18px;
  border-radius: 50%;
  background-color: var(--color-accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8' viewBox='0 0 10 8'%3E%3Cpath fill='%23fff' d='M1 4l3 3 5-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* Footer */
.footer {
  padding: 2rem 0;
  text-align: center;
}

.footer__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Confirmation page */
.confirmation {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.25rem;
}

.confirmation__icon {
  width: 56px;
  height: 56px;
  background-color: #ecfdf5;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.confirmation__icon svg {
  width: 28px;
  height: 28px;
  stroke: #059669;
}

.confirmation__title {
  margin-bottom: 0.75rem;
}

.confirmation__text {
  color: var(--color-text-muted);
  max-width: 460px;
  margin: 0 auto 1.5rem;
}

.confirmation__link {
  color: var(--color-accent);
  text-decoration: underline;
  font-size: 0.9375rem;
}

/* Responsive adjustments */
@media (min-width: 640px) {
  .trust-signals__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .trust-signals__item {
    flex: 1 1 calc(50% - 0.5rem);
  }
}

@media (min-width: 768px) {
  .trust-signals__item {
    flex: 1 1 auto;
  }
}