/* ==========================================================================
   Site Navigation & Multi-Page Shared Components
   ========================================================================== */

/* --------------------------------------------------------------------------
   Site Header (sticky wrapper — action bar + nav)
   -------------------------------------------------------------------------- */
:root {
  --nav-h: 56px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.25));
}

/* Override action-bar: hang off bottom-right of nav like tabs */
.site-header .action-bar {
  position: absolute;
  top: 100%;
  right: 0;
  left: auto;
  width: auto;
  background: transparent;
  filter: none;
  z-index: auto;
  gap: 2px;
}

/* Counter the mobile overrides in style.css that force full-width */
@media (max-width: 767px) {
  .site-header .action-bar {
    left: auto;
    width: auto;
    gap: 2px;
  }

  .site-header .action-bar .action-bar__link {
    flex: none;
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
  }

  .site-header .action-bar .action-bar__link--donate {
    font-size: 0.75rem;
  }
}

/* --------------------------------------------------------------------------
   Site Nav Bar
   -------------------------------------------------------------------------- */
.site-nav {
  background: var(--slate);
  border-bottom: 3px solid var(--magenta);
}

/* Standalone fallback (pages without .site-header) */
.site-nav:not(.site-header .site-nav) {
  position: sticky;
  top: 0;
  z-index: 900;
}

.site-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

/* Brand */
.site-nav__brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.site-nav__brand:hover {
  color: inherit;
  transform: rotate(0deg);
}

.site-nav__brand {
  transform: rotate(-1deg);
  transition: transform var(--transition-fast);
}

.site-nav__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.site-nav__tagline {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  color: var(--orange);
}

@media (max-width: 480px) {
  .site-nav__tagline {
    display: none;
  }
}

/* Desktop Links */
.site-nav__links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .site-nav__links {
    display: flex;
  }
}

.site-nav__link {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cream);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  position: relative;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

/* Alternating tilts — grassroots energy */
.site-nav__link:nth-child(odd) {
  transform: rotate(-0.8deg);
}

.site-nav__link:nth-child(even) {
  transform: rotate(0.8deg);
}

.site-nav__link:hover {
  color: var(--orange);
  transform: rotate(0deg) scale(1.05);
}

.site-nav__link--active {
  color: var(--orange);
  transform: rotate(0deg);
}

.site-nav__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 3px;
  background: var(--orange);
  transform: rotate(-1.5deg);
}

/* "Who?" link — handwritten accent */
.site-nav__link--who {
  font-family: var(--font-accent);
  text-transform: none;
  font-size: 1.15rem;
}

/* Hamburger */
.site-nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

@media (min-width: 768px) {
  .site-nav__hamburger {
    display: none;
  }
}

.site-nav__hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--cream);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Mobile Menu Overlay
   -------------------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--purple-deep) 0%, var(--purple) 50%, var(--magenta-dark) 100%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--cream);
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.mobile-menu__close:hover {
  transform: rotate(90deg);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cream);
  text-decoration: none;
  opacity: 0;
  transform: translateY(20px);
  transition: color var(--transition-fast);
}

.mobile-menu.is-open .mobile-menu__link {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered link entrance */
.mobile-menu.is-open .mobile-menu__link:nth-child(1) { transition: opacity 0.3s 0.05s, transform 0.3s 0.05s, color 0.15s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) { transition: opacity 0.3s 0.10s, transform 0.3s 0.10s, color 0.15s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) { transition: opacity 0.3s 0.15s, transform 0.3s 0.15s, color 0.15s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) { transition: opacity 0.3s 0.20s, transform 0.3s 0.20s, color 0.15s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(5) { transition: opacity 0.3s 0.25s, transform 0.3s 0.25s, color 0.15s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(6) { transition: opacity 0.3s 0.30s, transform 0.3s 0.30s, color 0.15s; }

.mobile-menu__link:hover {
  color: var(--orange);
}

.mobile-menu__link--active {
  color: var(--orange);
}

/* "Who?" in mobile menu — handwritten accent */
.mobile-menu__link--who {
  font-family: var(--font-accent);
  text-transform: none;
}

/* --------------------------------------------------------------------------
   Page Header (interior pages)
   -------------------------------------------------------------------------- */
.page-header {
  background: linear-gradient(135deg, var(--purple-deep) 0%, var(--purple) 50%, var(--magenta-dark) 100%);
  color: var(--white);
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: var(--orange);
  opacity: 0.08;
  transform: rotate(-15deg);
  pointer-events: none;
}

.page-header h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  text-shadow: 4px 4px 0 rgba(0,0,0,0.2);
  position: relative;
  z-index: 1;
}

.page-header__subtitle {
  font-size: 1.4rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Teaser Strip (homepage)
   -------------------------------------------------------------------------- */
.teaser-strip {
  background: var(--slate);
  padding: var(--space-lg) 0;
}

.teaser-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.teaser-strip__item {
  text-align: center;
  text-decoration: none;
  color: var(--cream);
  padding: var(--space-md) var(--space-sm);
  transition: transform var(--transition-fast);
}

.teaser-strip__item:hover {
  transform: translateY(-4px);
  color: var(--cream);
}

.teaser-strip__stat {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  color: var(--orange);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.teaser-strip__label {
  font-size: 0.95rem;
  opacity: 0.8;
  line-height: 1.4;
}

@media (max-width: 767px) {
  .teaser-strip__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .teaser-strip__item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .teaser-strip__item:last-child {
    border-bottom: none;
  }
}

/* --------------------------------------------------------------------------
   Page CTA Sections
   -------------------------------------------------------------------------- */
.page-cta {
  background: var(--cream-dark);
  padding: var(--space-xl) 0;
  text-align: center;
}

.page-cta .container {
  max-width: 800px;
}

.page-cta h2 {
  color: var(--purple);
  margin-bottom: var(--space-sm);
}

.page-cta p {
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.page-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* Dark variant for use on purple/dark backgrounds */
.page-cta--dark {
  background: var(--purple);
  color: var(--white);
}

.page-cta--dark h2 {
  color: var(--orange);
}

/* --------------------------------------------------------------------------
   History / Timeline Card (system page — "How Did We Get Here?")
   -------------------------------------------------------------------------- */
.problem__history {
  background: var(--slate);
  color: var(--cream);
  padding: var(--space-lg);
  margin: var(--space-lg) auto;
  max-width: 800px;
  border-top: 5px solid var(--orange);
  border-radius: 0 0 4px 4px;
  text-align: left;
}

.problem__history h2 {
  color: var(--orange);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: var(--space-md);
}

.problem__history p {
  opacity: 0.92;
  line-height: 1.7;
}

.problem__history p:last-child {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--orange);
  opacity: 1;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Receipts Section (issues page)
   -------------------------------------------------------------------------- */
.receipts {
  background: linear-gradient(160deg, #0d0d1a 0%, var(--purple-deep) 40%, #1a0a2e 100%);
  color: var(--cream);
  padding: var(--space-xl) 0;
}

.receipts .container {
  max-width: 900px;
}

.receipts__label {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  color: var(--orange);
  margin-bottom: 0.75rem;
  text-align: center;
}

.receipts h2 {
  text-align: center;
  color: var(--cream);
  margin-bottom: var(--space-xs);
}

.receipts__intro {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.receipts__group {
  margin-bottom: var(--space-lg);
}

.receipts__group-label {
  font-family: var(--font-display);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  opacity: 0.7;
  margin-bottom: var(--space-sm);
  padding-left: 1.5rem;
}

.receipts__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.receipts__list a {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.5vw, 1.6rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--cream);
  text-decoration: none;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--orange);
  transition: background 150ms ease, transform 150ms ease;
}

.receipts__list a:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
  color: var(--cream);
}

.receipts__more {
  text-align: center;
  margin-top: var(--space-lg);
  font-family: var(--font-accent);
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.3);
}