/* ── Reset ── */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

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

ul,
ol {
  list-style: none;
}

/* ── Containers ── */

.container {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 0.5rem + 2vw, 2rem);
}

.container--narrow {
  max-width: 42rem;
}

.container--wide {
  max-width: 80rem;
}

/* ── Section spacing ── */

section {
  padding-block: var(--space-section);
}

/* ── Typography ── */

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: var(--leading-tight);
  color: var(--color-ink);
}

h2 {
  font-size: var(--text-h2);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: var(--text-h3);
  font-weight: 600;
}

p + p {
  margin-top: 1em;
}

/* ── Section label ── */

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-sage);
  margin-bottom: var(--space-xs);
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-md);
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-in-out);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-terracotta);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background-color: var(--color-terracotta-dark);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-ink-soft);
}

.btn--secondary:hover {
  border-color: var(--color-ink);
  background-color: rgba(45, 47, 58, 0.04);
}

.btn--full {
  width: 100%;
}

/* ── Focus ── */

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

:focus:not(:focus-visible) {
  outline: none;
}

/* ── Form elements ── */

.form-group {
  margin-bottom: var(--space-sm);
}

.form-label {
  display: block;
  font-weight: 500;
  font-size: var(--text-small);
  margin-bottom: 0.375rem;
  color: var(--color-ink);
}

.form-optional {
  font-weight: 400;
  color: var(--color-ink-soft);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-ink);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-linen);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-in-out),
              box-shadow var(--duration-fast) var(--ease-in-out);
}

.form-input::placeholder {
  color: var(--color-ink-soft);
  opacity: 0.6;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-sage);
  box-shadow: 0 0 0 3px var(--color-sage-light);
}

.form-textarea {
  resize: vertical;
  min-height: 7rem;
}

/* ── Utilities ── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  font-weight: 500;
}

.skip-link:focus {
  top: 1rem;
}