/* ================================================================
   RIVERINA.CSS — shared styles for all Paddling Trails SA pages
   /explore/css/riverina.css
   ================================================================ */

/* ── PALETTE & TOKENS ── */
:root {
  --water-1:    #003E51;
  --water-2:    #4986A0;
  --water-3:    #89B2C4;
  --water-pale: #d4e8f0;
  --foliage-1:  #36573B;
  --foliage-2:  #6B9560;
  --foliage-3:  #8CAC89;
  --earth-1:    #552832;
  --earth-2:    #A4493D;
  --earth-3:    #D08477;
  --paper:      #f0ebe3;
  --border:     #ddd5c8;
  --muted:      #6b7a6e;
  --ink:        #0a1a1f;
  --white:      #f7f4f0;
  --region-colour: var(--water-2); /* override per region */
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--f-body); background: var(--white); color: var(--ink); overflow-x: hidden; }

/* ── ANIMATIONS ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes megaSlide { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ================================================================
   UTILITY BAR
   ================================================================ */
.util-bar {
  background: var(--water-1); height: 34px;
  display: grid;
  grid-template-columns: 1fr min(1320px, 100%) 1fr;
}
.util-bar-inner {
  grid-column: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem; height: 34px;
}
/* Pages without util-bar-inner: ub-left and util-search sit directly in .util-bar.
   We use a pseudo-element approach to centre them when no inner wrapper exists. */
.util-bar > .ub-left,
.util-bar > .util-search {
  grid-column: 2;
  align-self: center;
}
.util-bar > .ub-left { padding-left: 2.5rem; }
.util-bar > .util-search { padding-right: 2.5rem; justify-self: end; }
.util-bar .ub-left { display: flex; gap: 1.75rem; }
.util-bar a {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: rgba(255,255,255,0.5);
  text-decoration: none; transition: color 0.15s;
}
.util-bar a:hover { color: var(--water-3); }
.util-search {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px; padding: 0.25rem 1rem;
  color: rgba(255,255,255,0.55); font-size: 0.72rem;
  position: relative; /* anchor for search dropdown */
  transition: background 0.15s, border-color 0.15s;
}
.util-search:focus-within {
  background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.35);
}
.util-search input {
  background: none; border: none; outline: none;
  color: rgba(255,255,255,0.9); font-size: 0.72rem;
  width: 150px; font-family: var(--f-body); letter-spacing: 0.04em;
}
.util-search input::placeholder { color: rgba(255,255,255,0.4); letter-spacing: 0.04em; }

/* ================================================================
   MAIN NAV
   ================================================================ */
.main-nav {
  background: var(--white); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 16px rgba(0,62,81,0.08);
}
.nav-inner {
  max-width: 1320px; margin: 0 auto;
  display: flex; align-items: stretch; padding: 0 2.5rem; height: 68px;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.85rem;
  text-decoration: none; flex-shrink: 0; margin-right: 2.5rem;
}
.logo-text { display: flex; flex-direction: column; gap: 0; white-space: nowrap; }
.logo-name {
  font-family: 'Shadows Into Light Two', cursive;
  font-size: 1.1rem; font-weight: 400; color: var(--water-1); line-height: 1.2;
  -webkit-text-stroke: 0.4px var(--water-1); paint-order: stroke fill;
}
.logo-tagline {
  font-family: var(--f-label); font-size: 0.55rem;
  font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--foliage-2); line-height: 1;
}
.nav-items { display: flex; align-items: stretch; flex: 1; }
.nav-item { position: static; display: flex; align-items: center; }
.nav-trigger {
  display: flex; align-items: center; gap: 0.3rem;
  padding: 0 0.75rem; height: 100%; cursor: pointer;
  font-family: var(--f-label); font-size: 0.88rem;
  font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--water-1);
  border-bottom: 3px solid transparent; border-top: 3px solid transparent;
  transition: all 0.18s; user-select: none; white-space: nowrap;
}
.nav-trigger:hover,
.nav-item.open .nav-trigger { color: var(--earth-2); border-bottom-color: var(--earth-2); }
.nav-trigger.active { color: var(--region-colour); border-bottom-color: var(--region-colour); }
.nav-trigger .arr { font-size: 0.5rem; opacity: 0.4; transition: transform 0.2s; }
.nav-item.open .nav-trigger .arr { transform: rotate(180deg); opacity: 0.7; }

/* Region colour dots */
.rdot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.rdot-adl    { background: var(--water-2); }
.rdot-fleu   { background: var(--foliage-2); }
.rdot-flin   { background: #5a7a5e; }
.rdot-river  { background: var(--earth-2); }
.rdot-murray { background: var(--water-1); border: 1px solid rgba(0,0,0,0.15); }

.nav-end { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.nav-cta {
  background: var(--earth-2); color: #fff;
  font-family: var(--f-label); font-size: 0.82rem;
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.55rem 1.25rem; border-radius: 4px; text-decoration: none;
  transition: background 0.18s;
}
.nav-cta:hover { background: var(--earth-1); }
.nav-hamburger { display: none; font-size: 1.4rem; cursor: pointer; color: var(--water-1); }
.nav-page-title {
  font-family: var(--f-label);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  padding: 0.25rem 0.85rem;
  background: var(--paper); border: 1px solid var(--border);
  border-radius: 100px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 280px;
}

/* ================================================================
   MEGA MENU
   ================================================================ */
.mega-overlay {
  position: fixed; top: 102px; left: 0; right: 0;
  background: var(--ink); border-top: 3px solid var(--earth-2);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  display: none; z-index: 99; animation: megaSlide 0.22s ease;
}
.nav-item.open .mega-overlay { display: block; }
.mega-grid { display: grid; grid-template-columns: repeat(5,1fr); height: 380px; }
.rblock {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.75rem 1.5rem; cursor: pointer; text-decoration: none;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: flex 0.4s cubic-bezier(0.4,0,0.2,1); min-width: 0;
}
.rblock:last-child { border-right: none; }
.mega-grid:hover .rblock { flex: 0.75; }
.mega-grid:hover .rblock:hover { flex: 2; }
.rblock-adl    { background: var(--water-1); }
.rblock-fleu   { background: var(--foliage-1); }
.rblock-flin   { background: #2c3a2e; }
.rblock-river  { background: var(--earth-1); }
.rblock-murray { background: #001e2b; }
.rblock::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom,rgba(0,0,0,0.1) 0%,rgba(0,0,0,0.6) 60%,rgba(0,0,0,0.85) 100%);
  transition: opacity 0.3s; z-index: 1;
}
.rblock:hover::before { opacity: 0.7; }
.rblock::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; z-index: 2; transition: height 0.2s; }
.rblock-adl::after    { background: var(--water-2); }
.rblock-fleu::after   { background: var(--foliage-2); }
.rblock-flin::after   { background: var(--foliage-3); }
.rblock-river::after  { background: var(--earth-2); }
.rblock-murray::after { background: var(--water-3); }
.rblock:hover::after  { height: 6px; }
.rblock-content { position: relative; z-index: 3; }
.rblock-tag {
  font-family: var(--f-label); font-size: 0.65rem;
  font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); margin-bottom: 0.4rem;
  opacity: 0; transform: translateY(6px); transition: all 0.25s 0.05s;
}
.rblock:hover .rblock-tag { opacity: 1; transform: translateY(0); }
.rblock-name {
  font-family: var(--f-head); font-size: 1.4rem;
  font-weight: 600; color: #fff; line-height: 1.15; margin-bottom: 0.4rem;
}
.rblock-count {
  font-family: var(--f-label); font-size: 0.78rem;
  font-weight: 500; color: rgba(255,255,255,0.45); letter-spacing: 0.06em;
}
.rblock-trails { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, margin-top 0.25s; }
.rblock:hover .rblock-trails { max-height: 300px; margin-top: 0.85rem; }
.rt-item {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.35rem 0; border-bottom: 1px solid rgba(255,255,255,0.07);
  font-size: 0.8rem; color: rgba(255,255,255,0.65);
  text-decoration: none; transition: all 0.12s;
}
.rt-item:last-child { border-bottom: none; }
.rt-item:hover { color: #fff; padding-left: 0.3rem; }
.rt-item::before { content: '›'; color: rgba(255,255,255,0.25); font-size: 1rem; }
.rblock-cta {
  display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 0.85rem;
  font-family: var(--f-label); font-size: 0.72rem;
  font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); text-decoration: none;
  opacity: 0; transform: translateY(4px); transition: all 0.2s 0.1s;
  border-bottom: 1px solid rgba(255,255,255,0.18); padding-bottom: 1px;
}
.rblock:hover .rblock-cta { opacity: 1; transform: translateY(0); color: rgba(255,255,255,0.8); }
.mega-backdrop {
  position: fixed; inset: 0; background: rgba(0,20,30,0.4);
  z-index: 98; display: none; backdrop-filter: blur(2px);
}
.mega-backdrop.show { display: block; }

/* ================================================================
   MOBILE DRAWER
   ================================================================ */
.mobile-drawer {
  position: fixed; top: 0; right: -100%; bottom: 0;
  width: min(380px,100vw); background: var(--ink); z-index: 200;
  box-shadow: -8px 0 40px rgba(0,0,0,0.4);
  transition: right 0.35s cubic-bezier(0.4,0,0.2,1); overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-head {
  background: var(--water-1); padding: 1.1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 3px solid var(--earth-2);
}
.drawer-logo { font-family: 'Shadows Into Light Two', cursive; font-size: 1.1rem; color: #fff; font-weight: 400; }
.drawer-close { background: none; border: none; color: rgba(255,255,255,0.6); font-size: 1.3rem; cursor: pointer; }
.drblock { position: relative; overflow: hidden; border-bottom: 1px solid rgba(255,255,255,0.06); }
.drblock-adl    { background: var(--water-1); }
.drblock-fleu   { background: var(--foliage-1); }
.drblock-flin   { background: #2c3a2e; }
.drblock-river  { background: var(--earth-1); }
.drblock-murray { background: #001e2b; }
.drblock::after { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; transition: width 0.2s; }
.drblock-adl::after    { background: var(--water-2); }
.drblock-fleu::after   { background: var(--foliage-2); }
.drblock-flin::after   { background: var(--foliage-3); }
.drblock-river::after  { background: var(--earth-2); }
.drblock-murray::after { background: var(--water-3); }
.drblock.dopen::after  { width: 6px; }
.drblock-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem 1rem 1.75rem; position: relative; z-index: 1;
}
.drblock-name { font-family: var(--f-head); font-size: 1.15rem; font-weight: 600; color: #fff; line-height: 1.2; }
.drblock-sub {
  font-family: var(--f-label); font-size: 0.68rem;
  font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-top: 0.15rem;
}
.drblock-arr {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.5); font-size: 0.7rem; transition: all 0.2s; flex-shrink: 0;
}
.drblock.dopen .drblock-arr { transform: rotate(90deg); background: rgba(255,255,255,0.15); color: #fff; }
.drblock-list { display: none; padding: 0 0 0.75rem 1.75rem; position: relative; z-index: 1; }
.drblock.dopen .drblock-list { display: block; }
.dl-trail {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.42rem 1.5rem 0.42rem 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.84rem; color: rgba(255,255,255,0.6); text-decoration: none; transition: all 0.12s;
}
.dl-trail:last-child { border-bottom: none; }
.dl-trail:hover { color: #fff; padding-left: 0.3rem; }
.dl-trail::before { content: '›'; color: rgba(255,255,255,0.25); font-size: 1rem; flex-shrink: 0; }
.dl-view-all {
  display: inline-flex; margin-top: 0.65rem;
  font-family: var(--f-label); font-size: 0.72rem;
  font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.15); padding-bottom: 1px;
}
.dl-view-all:hover { color: rgba(255,255,255,0.8); }
.drawer-footer { padding: 1.25rem 1.5rem; border-top: 1px solid rgba(255,255,255,0.08); }
.drawer-footer a {
  display: block; text-align: center; background: var(--earth-2); color: #fff;
  padding: 0.85rem; border-radius: 6px;
  font-family: var(--f-label); font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.88rem; text-decoration: none;
}
.drawer-footer a:hover { background: var(--earth-1); }

/* ================================================================
   BREADCRUMB
   ================================================================ */
.breadcrumb { background: var(--paper); border-bottom: 1px solid var(--border); padding: 0.65rem 2.5rem; }
.breadcrumb-inner {
  max-width: 1320px; margin: 0 auto;
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--f-label); font-size: 0.75rem;
  font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
}
.breadcrumb a { color: var(--water-2); text-decoration: none; transition: color 0.15s; }
.breadcrumb a:hover { color: var(--water-1); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--muted); }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn-primary {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  background: var(--earth-2); color: #fff;
  font-family: var(--f-label); font-size: 0.85rem;
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.85rem 1.25rem; border-radius: 4px; text-decoration: none; transition: background 0.18s;
}
.btn-primary:hover { background: var(--earth-1); }
.btn-secondary {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  background: transparent; color: var(--water-1); border: 1px solid var(--water-2);
  font-family: var(--f-label); font-size: 0.85rem;
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.75rem 1.25rem; border-radius: 4px; text-decoration: none; transition: all 0.18s;
}
.btn-secondary:hover { background: var(--water-1); color: #fff; border-color: var(--water-1); }

/* ================================================================
   TRAIL CARDS  (.tc) — used on region pages and nearby trails
   ================================================================ */
.tc {
  background: #fff; border-radius: 10px; overflow: hidden;
  box-shadow: 0 3px 16px rgba(0,62,81,0.1); text-decoration: none;
  display: flex; flex-direction: column;
  transition: transform 0.22s, box-shadow 0.22s; border: 1px solid var(--border);
}
.tc:hover { transform: translateY(-4px); box-shadow: 0 10px 32px rgba(0,62,81,0.16); }
.tc-img { position: relative; height: 190px; overflow: hidden; }
.tc-img-fill { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.4s; }
.tc:hover .tc-img-fill { transform: scale(1.05); }
.tc-region-chip {
  position: absolute; top: 0.75rem; left: 0.75rem;
  font-family: var(--f-label); font-size: 0.65rem;
  font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: #fff; padding: 0.2rem 0.6rem; border-radius: 3px;
}
.tc-diff {
  position: absolute; top: 0.75rem; right: 0.75rem;
  font-family: var(--f-label); font-size: 0.65rem;
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff; background: rgba(0,0,0,0.55); padding: 0.2rem 0.6rem;
  border-radius: 3px; backdrop-filter: blur(4px);
}
.tc-duration {
  position: absolute; bottom: 0.75rem; left: 0.75rem;
  font-family: var(--f-label); font-size: 0.7rem;
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff; background: rgba(0,0,0,0.6); padding: 0.2rem 0.65rem;
  border-radius: 3px; backdrop-filter: blur(4px);
}
.tc-body { padding: 1.1rem 1.25rem; flex: 1; }
.tc-name { font-family: var(--f-head); font-size: 1.15rem; font-weight: 600; color: var(--water-1); line-height: 1.3; margin-bottom: 0.5rem; }
.tc-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
.tc-meta span { font-family: var(--f-label); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; color: var(--muted); background: var(--paper); padding: 0.15rem 0.5rem; border-radius: 3px; }
.tc-desc { font-size: 0.85rem; line-height: 1.65; color: #4a5a5f; }
.tc-footer { padding: 0.85rem 1.25rem; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.tc-map-link { font-family: var(--f-label); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--water-2); }
.tc:hover .tc-map-link { color: var(--water-1); }
.tc-kml-badge { font-family: var(--f-label); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; background: var(--water-pale); color: var(--water-2); padding: 0.15rem 0.5rem; border-radius: 3px; }
.tc.hidden { display: none; }

/* ================================================================
   FOOTER
   ================================================================ */
footer { background: var(--ink); color: rgba(255,255,255,0.55); padding: 3.5rem 2.5rem 1.5rem; }
.footer-inner {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem;
  padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-about .fl { font-family: var(--f-head); font-size: 1.3rem; color: #fff; font-weight: 600; margin-bottom: 0.75rem; }
.footer-about p { font-size: 0.85rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-family: var(--f-label); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 1rem; }
.footer-col a { display: block; font-size: 0.88rem; color: rgba(255,255,255,0.5); text-decoration: none; padding: 0.28rem 0; transition: color 0.15s; }
.footer-col a:hover { color: var(--water-3); }
.social-links { display: flex; gap: 0.75rem; margin-top: 1.25rem; }
.social-links a {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.45); font-size: 0.85rem; text-decoration: none; transition: all 0.18s;
}
.social-links a:hover { background: var(--water-2); border-color: var(--water-2); color: #fff; }
.footer-bottom {
  max-width: 1320px; margin: 0 auto; padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.2); }

/* ================================================================
   RESPONSIVE — shared breakpoints
   ================================================================ */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .util-bar      { display: none; }
  .nav-inner     { padding: 0 1.25rem; }
  .breadcrumb    { padding: 0.55rem 1.25rem; }
  .nav-items     { display: none; }
  .nav-hamburger { display: block; }
  .footer-inner  { grid-template-columns: 1fr; gap: 2rem; }
  .trail-cards   { grid-template-columns: 1fr; }
}