/* ============================================
 * Base Styles - Global Element Styling
 * All values reference CSS variables from variables.css
 * ============================================ */

/* --- Body --- */

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--weight-normal);
  line-height: var(--leading-body);
  color: var(--color-text);
  background-color: var(--color-background);
  letter-spacing: var(--tracking-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Headings --- */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-normal);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-h1);
  line-height: var(--leading-tight);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-body-lg);
}

h5 {
  font-size: var(--font-size-body);
}

h6 {
  font-size: var(--font-size-small);
}

/* --- Text utilities --- */

.hero-heading {
  font-size: var(--font-size-hero);
  line-height: var(--leading-tight);
}

.text-lg {
  font-size: var(--font-size-body-lg);
  line-height: var(--leading-body);
}

small,
.text-small {
  font-size: var(--font-size-small);
  line-height: var(--leading-small);
}

.text-xs {
  font-size: var(--font-size-xs);
  line-height: var(--leading-small);
  font-weight: var(--weight-medium);
}

.prose {
  max-width: 65ch;
}

/* --- Links --- */

a {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--duration-fast) var(--easing-ease);
}

a:hover {
  color: var(--color-primary);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- Buttons --- */

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--weight-medium);
  line-height: var(--leading-small);
  letter-spacing: var(--tracking-normal);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-primary-dark);
  color: var(--color-surface);
  border: none;
  transition: background-color var(--duration-fast) var(--easing-ease),
    transform var(--duration-fast) var(--easing-ease);
}

.btn-primary:hover {
  background-color: #7A4A2D;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary-dark);
  transition: background-color var(--duration-fast) var(--easing-ease),
    color var(--duration-fast) var(--easing-ease);
}

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-surface);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Form Elements --- */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="search"],
input[type="url"],
input[type="password"],
textarea,
select {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--font-size-body); /* 16px - prevents iOS zoom */
  font-weight: var(--weight-normal);
  line-height: var(--leading-body);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--easing-ease),
    box-shadow var(--duration-fast) var(--easing-ease);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(184, 110, 74, 0.2);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

label {
  display: block;
  font-size: var(--font-size-small);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

/* --- Accessibility Utilities --- */

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

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-primary-dark);
  color: var(--color-surface);
  font-size: var(--font-size-body);
  font-weight: var(--weight-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  transform: translateY(-200%);
  transition: transform var(--duration-fast) var(--easing-ease);
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}