/* Reset + base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--ink-700);
  background: var(--surface-muted);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  text-wrap: balance;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 50;
  background: var(--green-600);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

/* Focus ring — designed, not default */
:where(button, a, input, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--green-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  padding: 1.05rem var(--space-5);
  border-radius: var(--radius-pill);
  width: 100%;
  transition: transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo),
    background-color var(--duration-fast) ease, opacity var(--duration-fast) ease;
  will-change: transform;
}

.btn-primary {
  background: var(--green-600);
  color: #fff;
  box-shadow: var(--shadow-green);
}
.btn-primary:hover {
  background: var(--green-700);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0) scale(0.99);
}
.btn-primary:disabled {
  background: var(--border-strong);
  color: var(--surface);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.85;
}

.btn-ghost {
  background: var(--surface);
  color: var(--ink-700);
  border: 1.5px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover {
  border-color: var(--green-500);
  color: var(--green-700);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}