:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --color-black: #000;
  --color-white: #fff;
  --color-gray-900: #0f172a;
  --color-gray-700: #334155;
  --color-gray-600: #475569;
  --color-gray-300: #cbd5e1;
  --color-gray-200: #e5e7eb;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-gray-900);
  background-color: var(--color-white);
}

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

a:hover {
  text-decoration: underline;
}

p {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 700;
}

textarea,
input,
button {
  font-family: inherit;
}

.flash {
  max-width: 64rem;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4) 0;
}

.flash__message {
  margin: 0;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-card);
  background-color: var(--color-gray-200);
  color: var(--color-gray-900);
}

.flash__message--alert {
  border-color: var(--color-gray-700);
}

.flash__message--notice {
  border-color: var(--color-gray-300);
}

.shell {
  max-width: 64rem;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);

  & .hero__eyebrow {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-600);
    font-weight: 600;
  }

  & .hero__title {
    font-size: 2rem;
    line-height: 1.2;
    font-weight: 700;
  }

  & .hero__lead {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-gray-700);
  }

  & .hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
  }

  & .hero__note {
    color: var(--color-gray-600);
  }
}

.intake {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);

  & .intake__header {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  & .intake__eyebrow {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-600);
    font-weight: 600;
  }

  & .intake__title {
    font-size: 1.5rem;
    line-height: 1.3;
    font-weight: 700;
  }

  & .intake__lede {
    color: var(--color-gray-600);
    line-height: 1.6;
  }

  & .intake__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  & .intake__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  & .intake__label {
    font-weight: 600;
  }

  & .intake__input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    line-height: 1.5;
  }

  & .intake__input:focus {
    outline: none;
    border-color: var(--color-black);
  }

  & .intake__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  & .intake__subtitle {
    font-size: 1.25rem;
    line-height: 1.3;
    font-weight: 700;
  }

  & .intake__fields {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  & .intake__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
  }

  & .intake__note {
    color: var(--color-gray-600);
  }
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;

  &.button--primary {
    background-color: var(--color-black);
    color: var(--color-white);
  }

  &.button--disabled {
    opacity: 0.7;
    cursor: not-allowed;
  }
}