/**
 * ARISTÉ Accessibility Styles v9.6.1
 * Tasks 18-19: Skip Links & Focus Management
 * WCAG 2.1 AA Compliant
 */

:root {
  --focus-color: #b8a369;
  --focus-color-light: #faf8f5;
  --focus-width: 3px;
  --focus-offset: 2px;
}

/* Skip Links (Task 18) */
.skip-links {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10000;
  width: 100%;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  display: block;
  padding: 1rem 2rem;
  background: #2c2c2c;
  color: #faf8f5;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-align: center;
}

.skip-link:focus,
.skip-link:focus-visible {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: auto;
  overflow: visible;
  outline: var(--focus-width) solid var(--focus-color);
  outline-offset: -3px;
}

html { scroll-padding-top: 5rem; }
#main-content, #main-nav, #contact, #footer { scroll-margin-top: 2rem; }

/* Focus Management (Task 19) - Enhanced for WCAG 2.1 AA */
/* Note: We use :focus-visible for modern browsers, with :focus fallback */

/* Remove default outline only to replace with custom */
*:focus {
  outline: var(--focus-width) solid var(--focus-color);
  outline-offset: var(--focus-offset);
}

/* Enhanced focus for keyboard navigation */
*:focus-visible {
  outline: var(--focus-width) solid var(--focus-color);
  outline-offset: var(--focus-offset);
  box-shadow: 0 0 0 6px rgba(184, 163, 105, 0.25);
}

/* Mouse users get subtle focus, keyboard users get prominent focus */
*:focus:not(:focus-visible) {
  outline: 2px solid rgba(184, 163, 105, 0.4);
  box-shadow: none;
}

a:focus-visible { text-decoration: underline; }

header a:focus-visible,
footer a:focus-visible,
nav a:focus-visible,
.dark-bg a:focus-visible {
  outline-color: var(--focus-color-light);
}

button:focus-visible,
.btn:focus-visible,
[role="button"]:focus-visible {
  outline: var(--focus-width) solid var(--focus-color);
  outline-offset: var(--focus-offset);
  box-shadow: 0 0 0 6px rgba(184, 163, 105, 0.2);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--focus-color);
  box-shadow: 0 0 0 var(--focus-width) rgba(184, 163, 105, 0.3);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root { --focus-color: #000; --focus-width: 4px; }
  .skip-link:focus { background: #000; color: #fff; outline: 3px solid #fff; }
  header *:focus-visible, footer *:focus-visible { outline-color: #fff; }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *:focus-visible, .skip-link { transition: none; }
}

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