:root {
  /* Brand */
  --color-primary: rgb(39, 157, 46);
  --color-primary-accessible: rgb(31, 122, 36);
  --color-primary-hover: rgb(26, 107, 31);
  --color-primary-soft: rgba(39, 157, 46, 0.09);
  --color-secondary: rgb(37, 180, 189);

  /* Surfaces */
  --color-background: rgb(235, 235, 235);
  --color-surface: rgb(255, 255, 255);
  --color-surface-soft: rgb(247, 248, 248);

  /* Text */
  --color-text: rgb(28, 33, 38);
  --color-text-muted: rgb(94, 102, 109);

  /* Interface */
  --color-border: rgb(215, 219, 222);
  --color-border-strong: rgb(193, 199, 203);
  --color-focus: rgb(37, 180, 189);
  --color-success: rgb(31, 122, 36);
  --color-error: rgb(174, 48, 48);

  /* Typography */
  --font-family: "Encode Sans", sans-serif;

  /* Layout */
  --container-width: 1180px;
  --profile-width: 720px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  /* Spacing */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;

  /* Shadows */
  --shadow-card:
    0 1px 2px rgba(18, 24, 28, 0.03),
    0 12px 34px rgba(18, 24, 28, 0.07);

  --shadow-soft:
    0 1px 2px rgba(18, 24, 28, 0.025),
    0 6px 20px rgba(18, 24, 28, 0.045);

  /* Motion */
  --transition-fast: 160ms ease;
}


/* Reset */

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

html {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-background);
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}


/* Focus */

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}


/* Forms */

form {
  display: grid;
  gap: var(--space-3);
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-size: 0.9rem;
  font-weight: 600;
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 0.72rem 0.82rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.field input:hover:not(:disabled) {
  border-color: var(--color-border-strong);
}

.field input:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(37, 180, 189, 0.14);
  outline: none;
}

.field input:disabled {
  color: var(--color-text-muted);
  background: var(--color-surface-soft);
  cursor: not-allowed;
}


/* Buttons */

.button {
  min-height: 46px;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

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

.button:active {
  transform: translateY(0);
}

.button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
  transform: none;
}

.button-primary {
  color: rgb(255, 255, 255);
  background: var(--color-primary-accessible);
}

.button-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 16px rgba(31, 122, 36, 0.15);
}

.button-secondary {
  color: var(--color-text);
  background: var(--color-surface);
  border-color: var(--color-border);
}

.button-secondary:hover:not(:disabled) {
  background: var(--color-surface-soft);
  border-color: var(--color-border-strong);
}

.button-link {
  justify-self: center;
  padding: 0.35rem;
  color: var(--color-primary-accessible);
  background: transparent;
  border: 0;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
}

.button-link:hover {
  text-decoration: underline;
}


/* Shared headings */

.brand,
.section-eyebrow {
  margin: 0 0 0.55rem;
  color: var(--color-primary-accessible);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}


/* Status */

.form-status {
  min-height: 1.35rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

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

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


/* Reduced motion */

@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;
  }
}