/* ==========================================================================
   Components — Navigation, Hero, Footer, Buttons
   Mobile-first: base styles target mobile, min-width queries enhance for larger screens.
   ========================================================================== */

/* ==========================================================================
   Site Header / Navigation
   ========================================================================== */

/* --- Site Header --- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-neutral-medium);
  box-shadow: var(--shadow-sm);
}

.site-header.header-solid {
  background-color: var(--color-bg-light);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-sm);
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Logo --- */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.site-logo-icon {
  height: 100px;
  width: auto;
}

.site-logo-text {
  font-family: 'Dancing Script', cursive;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0;
  white-space: nowrap;
}

.site-logo img {
  height: 100px;
  width: auto;
}

/* --- Navigation Links (hidden on mobile) --- */
.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-md);
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: 0.01em;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--color-secondary);
  background-color: var(--color-neutral-light);
}

/* Active page link visual distinction */
.nav-links a[aria-current="page"] {
  color: var(--color-secondary);
  background-color: var(--color-neutral-light);
}

.nav-links a[aria-current="page"]::after {
  display: none;
}

/* --- Nav Social (hidden on mobile) --- */
.nav-social {
  display: none;
  align-items: center;
  gap: var(--space-sm);
}

.nav-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-social a:hover,
.nav-social a:focus {
  color: var(--color-secondary);
}

.nav-social svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* --- Hamburger Toggle (visible on mobile) --- */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  gap: 5px;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* --- Solid header state text contrast ---
   Background: --color-primary (#2c3e50)
   Text: --color-bg-light (#faf8f5) → contrast ~8.25:1 ✓ WCAG AA
   Hover/active: --color-neutral-light (#f0ebe3) → contrast ~7.5:1 ✓ WCAG AA
*/
.header-solid .nav-links a {
  color: var(--color-bg-light);
}

.header-solid .nav-links a:hover,
.header-solid .nav-links a:focus {
  color: var(--color-neutral-light);
}

.header-solid .nav-links a[aria-current="page"] {
  color: var(--color-neutral-light);
}

.header-solid .nav-social a {
  color: var(--color-bg-light);
}

.header-solid .nav-social a:hover,
.header-solid .nav-social a:focus {
  color: var(--color-neutral-light);
}

.header-solid .hamburger-line {
  background-color: var(--color-text-primary);
}

/* --- Focus indicators (WCAG 2.1 AA — minimum 2px outline offset) --- */
.site-header a:focus-visible,
.site-header button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Fallback for browsers without :focus-visible support */
.site-header a:focus,
.site-header button:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Remove double outline for browsers that support focus-visible */
.site-header a:focus:not(:focus-visible),
.site-header button:focus:not(:focus-visible) {
  outline: none;
}

/* --- Desktop Navigation — min-width: 768px ---
   Hide hamburger, reveal full horizontal navigation via display: flex
*/
@media (min-width: 768px) {
  .header-inner {
    padding: var(--space-sm) var(--space-md);
  }

  .site-logo-icon {
    height: 100px;
  }

  /* Show full navigation inline */
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }

  .nav-links {
    display: flex;
    align-items: center;
  }

  .nav-social {
    display: flex;
  }

  /* Hide hamburger */
  .nav-toggle {
    display: none;
  }
}

/* ==========================================================================
   Mobile Menu Overlay
   Mobile-first: overlay is positioned off-screen by default, slides in when active.
   At 768px+, the overlay is completely disabled (display: none).
   ========================================================================== */

/* Overlay backdrop + container */
.mobile-overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 999;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s linear var(--transition-base), opacity var(--transition-base);
}

/* Dark backdrop when open */
.mobile-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity var(--transition-base);
}

/* Slide-in panel (from right) */
.mobile-overlay-inner {
  position: absolute;
  top: 0;
  right: 0;
  width: 80%;
  max-width: 320px;
  height: 100%;
  background-color: var(--color-bg-dark);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  padding: 120px var(--space-md) var(--space-lg);
  overflow-y: auto;
}

/* Close button */
.mobile-overlay-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-bg-light);
  transition: color var(--transition-fast);
}

.mobile-overlay-close:hover,
.mobile-overlay-close:focus {
  color: var(--color-accent);
}

.mobile-overlay-close svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.mobile-overlay-close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-overlay-close:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-overlay-close:focus:not(:focus-visible) {
  outline: none;
}

/* Mobile nav links */
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.mobile-nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-nav-links li a {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-bg-light);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.mobile-nav-links li a:hover,
.mobile-nav-links li a:focus {
  color: var(--color-accent);
}

.mobile-nav-links li a[aria-current="page"] {
  color: var(--color-accent);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-sm);
}

.mobile-nav-links li a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-nav-links li a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-nav-links li a:focus:not(:focus-visible) {
  outline: none;
}

/* Mobile social icons */
.mobile-nav-social {
  display: flex;
  gap: var(--space-sm);
}

.mobile-nav-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-bg-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-nav-social a:hover,
.mobile-nav-social a:focus {
  color: var(--color-accent);
}

.mobile-nav-social svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.mobile-nav-social a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-nav-social a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mobile-nav-social a:focus:not(:focus-visible) {
  outline: none;
}

/* --- Active state: body.mobile-menu-open --- */
.mobile-menu-open .mobile-overlay {
  visibility: visible;
  opacity: 1;
  transition: visibility 0s linear 0s, opacity var(--transition-base);
}

.mobile-menu-open .mobile-overlay::before {
  opacity: 1;
}

.mobile-menu-open .mobile-overlay-inner {
  transform: translateX(0);
}

/* Prevent body scroll when overlay is open */
.mobile-menu-open {
  overflow: hidden;
}

/* Hamburger animation when menu is open */
.mobile-menu-open .nav-toggle .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-open .nav-toggle .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-open .nav-toggle .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Desktop: disable overlay completely at 768px+ --- */
@media (min-width: 768px) {
  .mobile-overlay {
    display: none;
  }
}

/* ==========================================================================
   Footer Component
   ========================================================================== */

.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-neutral-light);
  padding: var(--space-xl) var(--space-md);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-neutral-light);
  transition: color var(--transition-fast);
}

.footer-social a:hover,
.footer-social a:focus {
  color: var(--color-accent);
}

.footer-social svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.footer-info p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  color: var(--color-neutral-light);
}

.footer-info p + p {
  margin-top: var(--space-xs);
}

/* Focus indicators for footer links */
.site-footer a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.site-footer a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.site-footer a:focus:not(:focus-visible) {
  outline: none;
}

/* Enhanced layout for tablets and above */
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ==========================================================================
   Parallax Background — CSS-only replacement for parallax100 jQuery plugin
   Uses background-attachment: fixed to maintain visible background image
   positioning on scroll without JavaScript.
   On mobile (iOS), background-attachment: fixed causes rendering issues,
   so we fall back to background-attachment: scroll on small viewports.
   Requirements: 11.4, 8.3
   ========================================================================== */

.parallax100 {
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Mobile fallback: background-attachment: fixed has known issues on iOS/mobile
   Safari. Fall back to scroll on touch devices / small viewports. */
@supports (-webkit-touch-callout: none) {
  .parallax100 {
    background-attachment: scroll;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
  width: 100%;
  padding: var(--space-lg);
  overflow: hidden;
  background-color: var(--color-bg-dark);
  background-image: url('../images/bg-intro-04.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-bottom: var(--space-sm);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(17, 17, 17, 0.6) 0%,
    rgba(17, 17, 17, 0.3) 50%,
    rgba(184, 134, 11, 0.15) 100%
  );
  z-index: 1;
}

.hero-logo {
  position: relative;
  z-index: 2;
  display: block;
  min-width: 120px;
  max-width: 400px;
  width: 60%;
  height: auto;
}

/* Enhanced hero for larger viewports */
@media (min-width: 769px) {
  .hero {
    min-height: 60vh;
  }

  .hero-logo {
    width: 40%;
  }
}