/* ============================================
   KATHA TRAILS — Design System & Styles
   Chandni Chowk Heritage Walk
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Rozha+One&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* --- Design Tokens --- */
:root {
  /* Palette */
  --moonlight:    #F4F4F0;
  --night-sky:    #0F172A;
  --sandstone:    #A63C06;
  --marigold:     #F59E0B;

  /* Semantic aliases */
  --bg:           var(--moonlight);
  --text:         var(--night-sky);
  --accent:       var(--sandstone);
  --highlight:    var(--marigold);

  /* Typography */
  --font-heading: 'Rozha One', serif;
  --font-body:    'DM Sans', sans-serif;

  /* Spacing scale */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --gali-width: 42rem;
  --gutter:     1.25rem;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Category Colors */
  --cat-tomb:    #9e3d1e;
  --cat-mosque:  #c8873a;
  --cat-fort:    #1a1208;
  --cat-gate:    #4a7a40;
  --cat-garden:  #2d8a60;
  --cat-pillar:  #4040aa;
  --cat-other:   #7a6a55;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s var(--ease-smooth);
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.15;
  color: var(--text);
}

h1 { font-size: clamp(2.75rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.15rem, 2vw, 1.5rem); }

p {
  max-width: 65ch;
  margin-bottom: var(--space-sm);
}

.text-accent  { color: var(--accent); }
.text-highlight { color: var(--highlight); }
.text-muted   { color: #64748B; }

/* --- Utility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================
   NAVIGATION
   ============================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: rgba(244, 244, 240, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  transition: background 0.4s var(--ease-smooth),
              box-shadow 0.4s var(--ease-smooth);
}

.site-nav.scrolled {
  background: rgba(244, 244, 240, 0.95);
  box-shadow: 0 4px 30px rgba(15, 23, 42, 0.08);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s var(--ease-smooth);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active::after {
  width: 100%;
  background: var(--highlight);
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--accent);
  color: var(--moonlight) !important;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 0.3s var(--ease-smooth),
              transform 0.2s var(--ease-smooth);
}

.nav-cta:hover {
  background: #8B3205;
  color: var(--moonlight) !important;
  transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) saturate(1.1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.3) 0%,
    rgba(15, 23, 42, 0.6) 60%,
    rgba(15, 23, 42, 0.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 52rem;
  padding: var(--space-lg) var(--gutter);
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--highlight);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--highlight);
  margin-bottom: var(--space-md);
}

.hero h1 {
  color: var(--moonlight);
  margin-bottom: var(--space-sm);
  text-shadow: 0 4px 40px rgba(0,0,0,0.3);
}

.hero h1 em {
  font-style: normal;
  color: var(--highlight);
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(244, 244, 240, 0.8);
  max-width: 38rem;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

.hero-scroll {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(244, 244, 240, 0.5);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: pulse-down 2s ease-in-out infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--highlight), transparent);
}

@keyframes pulse-down {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%      { transform: translateY(8px); opacity: 1; }
}

/* Katha Text Rotator */
.katha-text {
  display: inline-block;
  min-width: 3.5ch; /* Ensure min width so the layout doesn't jank on short words */
  transition: opacity 0.4s var(--ease-smooth), transform 0.4s var(--ease-smooth);
}

.katha-text.fade-out {
  opacity: 0;
  transform: translateY(-10px);
}

.katha-text.fade-in {
  opacity: 0;
  transform: translateY(10px);
}

/* ============================================
   GALI CONTAINER — Narrow Narrative Lane
   ============================================ */
.gali {
  max-width: var(--gali-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--gutter);
}

.gali--tight {
  max-width: 36rem;
}

/* Section chapter numbering */
.chapter-marker {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.chapter-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.25;
}

.chapter-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.gali h2 {
  margin-bottom: var(--space-md);
}

.gali p {
  color: #334155;
  margin-bottom: var(--space-md);
}

/* Inline image within gali */
.gali-image {
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
  margin: var(--space-lg) 0;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
}

.gali-image img {
  width: 100%;
  height: auto;
  filter: grayscale(80%) sepia(60%);
  transition: filter 0.6s var(--ease-smooth),
              transform 0.6s var(--ease-smooth);
}

.gali-image:hover img {
  filter: grayscale(0%) sepia(0%);
  transform: scale(1.02);
}

.gali-image figcaption {
  padding: var(--space-xs) 0;
  font-size: 0.8rem;
  color: #94A3B8;
  font-style: italic;
}

/* Decorative divider */
.gali-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-xl) 0;
}

.gali-divider::before,
.gali-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(166, 60, 6, 0.2), transparent);
}

.gali-divider span {
  color: var(--accent);
  font-size: 1.2rem;
}

/* ============================================
   FULL-BLEED MONUMENT BREAKOUT
   ============================================ */
.monument {
  position: relative;
  width: 100%;
  min-height: 80vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.monument-bg {
  position: absolute;
  inset: 0;
}

.monument-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(60%) sepia(30%);
  transition: filter 0.8s var(--ease-smooth);
}

.monument:hover .monument-bg img {
  filter: grayscale(0%) sepia(0%);
}

.monument-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(15, 23, 42, 0.92) 0%,
    rgba(15, 23, 42, 0.5) 40%,
    rgba(15, 23, 42, 0.1) 100%
  );
}

.monument-content {
  position: relative;
  z-index: 2;
  max-width: 52rem;
  padding: var(--space-3xl) var(--space-lg);
}

.monument-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--highlight);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--highlight);
}

.monument h2 {
  color: var(--moonlight);
  margin-bottom: var(--space-md);
}

.monument p {
  color: rgba(244, 244, 240, 0.75);
  font-size: 1.05rem;
  max-width: 48ch;
}

/* ============================================
   TRAIL INFO / CTA SECTION
   ============================================ */
.trail-info {
  background: var(--night-sky);
  padding: var(--space-3xl) var(--gutter);
  text-align: center;
}

.trail-info-inner {
  max-width: var(--gali-width);
  margin: 0 auto;
}

.trail-info h2 {
  color: var(--moonlight);
  margin-bottom: var(--space-xs);
}

.trail-info-subtitle {
  color: rgba(244, 244, 240, 0.5);
  font-size: 0.9rem;
  margin-bottom: var(--space-xl);
}

.trail-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.trail-stat {
  padding: var(--space-md);
  background: rgba(244, 244, 240, 0.04);
  border: 1px solid rgba(244, 244, 240, 0.08);
  border-radius: 8px;
  transition: border-color 0.3s var(--ease-smooth),
              background 0.3s var(--ease-smooth);
}

.trail-stat:hover {
  border-color: rgba(166, 60, 6, 0.3);
  background: rgba(244, 244, 240, 0.06);
}

.trail-stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--highlight);
  margin-bottom: 0.25rem;
}

.trail-stat-label {
  font-size: 0.75rem;
  color: rgba(244, 244, 240, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  background: var(--accent);
  color: var(--moonlight);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s var(--ease-smooth),
              transform 0.2s var(--ease-smooth),
              box-shadow 0.3s var(--ease-smooth);
}

.cta-button:hover {
  background: #8B3205;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(166, 60, 6, 0.35);
  color: var(--moonlight);
}

.cta-button svg {
  transition: transform 0.3s var(--ease-smooth);
}

.cta-button:hover svg {
  transform: translateX(4px);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: #0A0F1E;
  padding: var(--space-xl) var(--gutter);
}

.footer-inner {
  max-width: var(--gali-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: rgba(244, 244, 240, 0.6);
}

.footer-brand span {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(244, 244, 240, 0.3);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(244, 244, 240, 0.4);
}

.footer-links a:hover {
  color: var(--highlight);
}

/* ============================================
   TOP MONUMENTS CARDS SECTION
   ============================================ */
.top-monuments-section {
  background: var(--bg);
  padding-bottom: var(--space-3xl);
}

.top-monuments-header {
  padding-bottom: var(--space-md);
}

.monument-cards-grid {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

/* 5th card spans full width so it sits centred */
.monument-card:last-child {
  grid-column: 1 / -1;
  max-width: 48rem;
  margin: 0 auto;
  width: 100%;
}

.monument-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.07);
  transition: transform 0.35s var(--ease-smooth),
              box-shadow 0.35s var(--ease-smooth);
  display: flex;
  flex-direction: column;
}

.monument-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.14);
}

/* Image area */
.monument-card-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.monument-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth), filter 0.6s var(--ease-smooth);
  filter: brightness(0.78) saturate(1.1);
}

.monument-card:hover .monument-card-img img {
  transform: scale(1.05);
  filter: brightness(0.9) saturate(1.2);
}

/* Large number badge — top-left */
.monument-card-num {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 1;
  color: rgba(244, 244, 240, 0.25);
  letter-spacing: -0.02em;
  pointer-events: none;
  user-select: none;
}

/* Tag badge — bottom-right of image */
.monument-card-tag {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(212, 160, 23, 0.92);
  color: #0F172A;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  backdrop-filter: blur(4px);
}

/* Card body */
.monument-card-body {
  padding: var(--space-md) var(--space-md) var(--space-sm);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.monument-card-body h3 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.monument-card-katha {
  font-size: 0.92rem;
  line-height: 1.75;
  color: #475569;
  flex: 1;
  margin-bottom: var(--space-sm);
}

.monument-card-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(166, 60, 6, 0.12);
  margin-top: auto;
}

/* Responsive */
@media (max-width: 720px) {
  .monument-cards-grid {
    grid-template-columns: 1fr;
  }
  .monument-card:last-child {
    grid-column: 1;
    max-width: 100%;
  }
}

/* ============================================
   READING PROGRESS BAR
   ============================================ */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--marigold), var(--sandstone));
  z-index: 200;
  transition: width 0.1s linear;
  transform-origin: left;
}

/* ============================================
   TRAIL MAP
   ============================================ */
.trail-map-section {
  background: var(--night-sky);
  padding-bottom: var(--space-xl);
}

.trail-map-section .gali {
  padding-bottom: var(--space-md);
}

.trail-map-section .chapter-number,
.trail-map-section .chapter-label {
  color: var(--highlight);
}

.trail-map-section h2 {
  color: var(--moonlight);
}

.trail-map-section p {
  color: rgba(244, 244, 240, 0.65);
}

/* Map meta row: site counter + filter bar */
.map-meta {
  max-width: 72rem;
  margin: 0 auto var(--space-md);
  padding: 0 var(--gutter);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.map-site-count {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(244, 244, 240, 0.45);
  padding-top: 0.3rem;
}

.map-site-count span {
  color: var(--highlight);
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

/* Filter pill bar */
.map-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.filter-pill {
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  border: 1px solid rgba(244, 244, 240, 0.15);
  background: rgba(244, 244, 240, 0.05);
  color: rgba(244, 244, 240, 0.6);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.filter-pill:hover {
  border-color: rgba(244, 244, 240, 0.4);
  color: var(--moonlight);
  background: rgba(244, 244, 240, 0.1);
}

.filter-pill.active {
  color: var(--night-sky);
  border-color: transparent;
}

.filter-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Category-specific pill active states */
.filter-pill[data-cat="all"].active    { background: var(--moonlight); color: var(--night-sky); }
.filter-pill[data-cat="tomb"].active   { background: var(--cat-tomb); color: var(--moonlight); }
.filter-pill[data-cat="mosque"].active { background: var(--cat-mosque); color: var(--night-sky); }
.filter-pill[data-cat="fort"].active   { background: var(--cat-fort); color: var(--moonlight); }
.filter-pill[data-cat="gate"].active   { background: var(--cat-gate); color: var(--moonlight); }
.filter-pill[data-cat="garden"].active { background: var(--cat-garden); color: var(--moonlight); }
.filter-pill[data-cat="pillar"].active { background: var(--cat-pillar); color: var(--moonlight); }
.filter-pill[data-cat="other"].active  { background: var(--cat-other); color: var(--moonlight); }

.trail-map-container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

#trail-map-canvas {
  width: 100%;
  height: 480px;
  border-radius: 12px;
  border: 1px solid rgba(244, 244, 240, 0.08);
  overflow: hidden;
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.4);
}

/* --- Leaflet Popup Override --- */
.leaflet-popup-content-wrapper {
  background: var(--night-sky) !important;
  color: var(--moonlight) !important;
  border-radius: 8px !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
  border: 1px solid rgba(244, 244, 240, 0.1) !important;
}

.leaflet-popup-content {
  margin: 14px 18px !important;
  font-family: var(--font-body) !important;
  font-size: 0.9rem !important;
  line-height: 1.6 !important;
}

.leaflet-popup-content strong {
  font-family: var(--font-heading) !important;
  font-size: 1.1rem !important;
  color: var(--highlight) !important;
  display: block;
  margin-bottom: 4px;
}

.leaflet-popup-tip {
  background: var(--night-sky) !important;
}

.leaflet-popup-close-button {
  color: rgba(244, 244, 240, 0.5) !important;
}

.leaflet-popup-close-button:hover {
  color: var(--highlight) !important;
}

/* Custom marker pulse */
.waypoint-marker {
  width: 16px;
  height: 16px;
  background: var(--highlight);
  border: 3px solid var(--moonlight);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.3),
              0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ============================================
   SITE DETAIL SIDEBAR
   ============================================ */
#site-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 360px;
  max-width: 92vw;
  height: 100%;
  background: var(--night-sky);
  border-left: 1px solid rgba(244, 244, 240, 0.08);
  z-index: 500;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease-smooth);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

#site-sidebar.open {
  transform: translateX(0);
  box-shadow: -16px 0 60px rgba(0, 0, 0, 0.5);
}

.sidebar-header {
  padding: var(--space-md);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  border-bottom: 1px solid rgba(244, 244, 240, 0.06);
  position: sticky;
  top: 0;
  background: var(--night-sky);
  z-index: 1;
}

.sidebar-close {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(244, 244, 240, 0.4);
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.2rem;
  flex-shrink: 0;
  transition: color 0.2s;
  margin-top: 0.25rem;
}

.sidebar-close:hover {
  color: var(--highlight);
}

.sidebar-category-badge {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.sidebar-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--moonlight);
  line-height: 1.2;
  flex: 1;
}

.sidebar-body {
  padding: var(--space-md);
  flex: 1;
}

.sidebar-katha {
  color: rgba(244, 244, 240, 0.75);
  font-size: 0.95rem;
  line-height: 1.85;
  max-width: none;
}

.sidebar-coords {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(244, 244, 240, 0.06);
  font-size: 0.75rem;
  color: rgba(244, 244, 240, 0.25);
  letter-spacing: 0.05em;
}

/* Sidebar overlay */
#sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  z-index: 490;
  pointer-events: none;
  transition: background 0.4s var(--ease-smooth);
}

#sidebar-overlay.visible {
  background: rgba(0, 0, 0, 0.45);
  pointer-events: all;
}

@media (max-width: 768px) {
  #trail-map-canvas {
    height: 360px;
    border-radius: 8px;
  }
  .map-filters {
    justify-content: flex-start;
  }
  .map-meta {
    flex-direction: column;
  }
}

/* ============================================
   SCROLL REVEAL ANIMATION
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-smooth),
              transform 0.8s var(--ease-smooth);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(244, 244, 240, 0.98);
    backdrop-filter: blur(16px);
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .trail-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .monument {
    min-height: 65vh;
  }

  .monument-content {
    padding: var(--space-xl) var(--gutter);
  }

  .hero-content {
    padding: var(--space-lg) var(--gutter);
  }

  .gali {
    padding: var(--space-xl) var(--gutter);
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .trail-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs);
  }

  .trail-stat {
    padding: var(--space-sm);
  }

  .cta-button {
    width: 100%;
    justify-content: center;
  }

  .hero-badge {
    font-size: 0.65rem;
  }
}


/* ============================================
   MODAL (Safdarjung Tomb Info)
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), visibility 0.3s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg);
  width: 90%;
  max-width: 650px;
  max-height: 90vh;
  border-radius: 12px;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  text-align: left;
}

.modal-overlay.open .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--moonlight);
  opacity: 0.6;
  cursor: pointer;
  transition: opacity 0.2s, color 0.2s;
  z-index: 10;
}

.modal-close:hover {
  opacity: 1;
  color: var(--highlight);
}

.modal-header {
  padding: var(--space-xl) var(--space-lg) var(--space-sm);
  background: var(--night-sky);
  color: var(--moonlight);
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.modal-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--highlight);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.modal-header h2 {
  color: var(--moonlight);
  margin: 0;
  font-size: 2.2rem;
}

.modal-body {
  padding: var(--space-md) var(--space-lg) var(--space-xl);
  color: #334155;
  font-size: 1.05rem;
}

.modal-image {
  width: 100%;
  max-height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: var(--space-md);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.modal-body p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.modal-body h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 400;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--text);
}

.modal-body ul {
  list-style: none;
  padding-left: 0;
}

.modal-body li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.modal-body li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--highlight);
  font-size: 1rem;
}