/* ============================================================
   CHAOS CREATURE RESCUE — Design System v3.1
   Premium dark-first design with depth, gradients & character
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Color Palette — Dark Theme (default) */
  --bg-primary:    #06080d;
  --bg-secondary:  #0d1017;
  --bg-tertiary:   #151a24;
  --bg-card:       #111520;
  --bg-glass:      rgba(11, 14, 20, 0.82);

  --text-primary:  #e8ecf2;
  --text-secondary:#8894a8;
  --text-tertiary: #505c72;
  --text-inverse:  #06080d;

  --accent:        #22c55e;
  --accent-hover:  #16a34a;
  --accent-light:  #4ade80;
  --accent-glow:   rgba(34, 197, 94, 0.3);
  --accent-subtle: rgba(34, 197, 94, 0.07);

  --accent-2:      #3b82f6;
  --accent-2-glow: rgba(59, 130, 246, 0.2);

  --warning:       #f59e0b;
  --warning-bg:    rgba(245, 158, 11, 0.08);
  --danger:        #ef4444;
  --danger-bg:     rgba(239, 68, 68, 0.08);
  --info:          #3b82f6;
  --info-bg:       rgba(59, 130, 246, 0.08);

  --border:        rgba(255, 255, 255, 0.05);
  --border-hover:  rgba(255, 255, 255, 0.1);
  --border-accent: rgba(34, 197, 94, 0.35);

  --shadow-sm:     0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md:     0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-lg:     0 12px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow:   0 0 60px rgba(34, 197, 94, 0.12);
  --shadow-card:   0 4px 24px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255,255,255,0.03);

  /* Typography */
  --font-display:  'Outfit', system-ui, sans-serif;
  --font-body:     'Inter', system-ui, sans-serif;

  /* Spacing Scale */
  --sp-xs:  0.25rem;
  --sp-sm:  0.5rem;
  --sp-md:  1rem;
  --sp-lg:  1.5rem;
  --sp-xl:  2.5rem;
  --sp-2xl: 4rem;
  --sp-3xl: 6rem;

  /* Border Radius */
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  /* Transitions */
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 280ms;
  --spring:   cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1320px;
  --nav-height:    72px;
}

/* ============================================================
   2. LIGHT THEME
   ============================================================ */
html.light-theme {
  --bg-primary:    #f5f7fa;
  --bg-secondary:  #ffffff;
  --bg-tertiary:   #edf0f4;
  --bg-card:       #ffffff;
  --bg-glass:      rgba(245, 247, 250, 0.88);

  --text-primary:  #0f172a;
  --text-secondary:#475569;
  --text-tertiary: #94a3b8;
  --text-inverse:  #f5f7fa;

  --accent:        #16a34a;
  --accent-hover:  #15803d;
  --accent-light:  #22c55e;
  --accent-glow:   rgba(22, 163, 74, 0.18);
  --accent-subtle: rgba(22, 163, 74, 0.05);

  --accent-2-glow: rgba(59, 130, 246, 0.12);

  --border:        rgba(0, 0, 0, 0.06);
  --border-hover:  rgba(0, 0, 0, 0.12);
  --border-accent: rgba(22, 163, 74, 0.3);

  --shadow-sm:     0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md:     0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg:     0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow:   0 0 40px rgba(22, 163, 74, 0.08);
  --shadow-card:   0 1px 3px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.06);
}

/* ============================================================
   3. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 1.5rem);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--duration) var(--ease),
              color var(--duration) var(--ease);
}

/* Subtle grid texture on body */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.015) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

html.light-theme body::before {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0,0,0,0.02) 1px, transparent 0);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}
a:hover { color: var(--accent-hover); }

ul { list-style: none; }

/* Accessibility — Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-md);
  padding: var(--sp-sm) var(--sp-md);
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 10000;
  transition: top var(--duration) var(--ease);
}
.skip-link:focus { top: var(--sp-md); }

/* Focus Visible */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================================
   4. LAYOUT
   ============================================================ */
.container {
  position: relative;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-lg);
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: var(--sp-2xl);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--sp-sm);
  letter-spacing: -0.04em;
}

.section-header p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-md);
}

.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-full);
}

/* ============================================================
   5. NAVIGATION — Elevated & Polished
   ============================================================ */
.navbar-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: all var(--duration) var(--ease);
}

/* Accent glow line at top of nav */
.navbar-fixed::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent) 20%,
    var(--accent-light) 50%,
    var(--accent) 80%,
    transparent 100%
  );
  opacity: 0.7;
}

.navbar-fixed.scrolled {
  box-shadow: var(--shadow-md);
  background: var(--bg-glass);
}

.navbar-fixed.scrolled::before {
  opacity: 1;
}

.navbar {
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 1.5rem;
  line-height: 1;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.nav-brand h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu li a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
  position: relative;
  z-index: 1;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  opacity: 0;
  transform: scale(0.9);
  transition: all var(--duration) var(--spring);
  z-index: -1;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--accent-light);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
  opacity: 1;
  transform: scale(1);
}

/* Search in Nav */
.nav-search {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 8px;
}

.nav-search input {
  width: 180px;
  padding: 8px 32px 8px 34px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: var(--font-body);
  transition: all var(--duration) var(--ease);
}

.nav-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  width: 240px;
  background: var(--bg-secondary);
}

.nav-search input::placeholder { color: var(--text-tertiary); }

.nav-search .search-icon {
  position: absolute;
  left: 11px;
  color: var(--text-tertiary);
  font-size: 0.78rem;
  pointer-events: none;
}

.search-clear {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--duration) var(--ease);
}
.search-clear:hover { color: var(--text-primary); }

.nav-actions-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
}

/* Theme & Action Buttons */
.theme-btn,
.nav-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

.theme-btn:hover,
.nav-action-btn:hover {
  background: var(--accent-subtle);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateY(-1.5px);
  box-shadow: 0 6px 16px var(--accent-glow);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   6. HERO — Dramatic with animated gradient orbs
   ============================================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-height) + var(--sp-2xl)) 0 var(--sp-3xl);
}

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

/* Background image layer */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/hero-bg.png') center / cover no-repeat;
  opacity: 0.25;
  filter: brightness(0.6) contrast(1.2);
}

/* Gradient overlay with colored orbs */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 500px at 25% 30%, rgba(34, 197, 94, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 500px 400px at 75% 60%, rgba(59, 130, 246, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 400px 350px at 50% 80%, rgba(168, 85, 247, 0.06) 0%, transparent 70%),
    linear-gradient(to bottom, rgba(6, 8, 13, 0.3) 0%, var(--bg-primary) 92%);
}

/* Animated floating orb */
.hero::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: 10%;
  left: 15%;
  animation: floatOrb 8s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-2-glow) 0%, transparent 70%);
  bottom: 15%;
  right: 10%;
  animation: floatOrb 10s ease-in-out 2s infinite reverse;
  z-index: 0;
  pointer-events: none;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 820px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 6px 20px;
  background: linear-gradient(135deg, var(--accent-subtle), rgba(59, 130, 246, 0.04));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-lg);
  animation: fadeSlideUp 0.8s var(--ease) both;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.045em;
  color: var(--text-primary);
  margin-bottom: var(--sp-lg);
  animation: fadeSlideUp 0.8s var(--ease) 0.1s both;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 50%, #a3e635 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 580px;
  margin: 0 auto var(--sp-xl);
  animation: fadeSlideUp 0.8s var(--ease) 0.2s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  flex-wrap: wrap;
  animation: fadeSlideUp 0.8s var(--ease) 0.3s both;
}

/* ============================================================
   7. BUTTONS — Elevated with glow
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 14px 30px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.2);
  filter: brightness(1.08);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ============================================================
   8. STATS BAR — With dividers and polish
   ============================================================ */
.stats-bar {
  position: relative;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--sp-xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}

.stat-item {
  position: relative;
  padding: var(--sp-md) var(--sp-lg);
}

/* Vertical dividers between stats */
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-hover), transparent);
}

.stat-item h3 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-item p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: var(--sp-xs);
}

/* ============================================================
   9. SPECIES GRID — Cards with shimmer border
   ============================================================ */
.species-section {
  position: relative;
  padding: var(--sp-3xl) 0;
  overflow: hidden;
}

/* Ambient glow behind the section */
.species-section::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.3;
  z-index: 0;
}

.species-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-lg);
}

/* Card with gradient border on hover */
.species-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s var(--ease);
  cursor: pointer;
  box-shadow: var(--shadow-card);
  z-index: 1;
}

.species-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-light));
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  z-index: -2;
}

.species-card::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 1px);
  background: var(--bg-card);
  z-index: -1;
}

.species-card:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.species-card:hover::before {
  opacity: 1;
}

.species-card .card-image-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.species-card .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.species-card:hover .card-image {
  transform: scale(1.08);
}

.species-card .card-image-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70%;
  background: linear-gradient(to top, var(--bg-card) 5%, transparent);
  pointer-events: none;
}

.species-card .card-number {
  position: absolute;
  top: var(--sp-md);
  right: var(--sp-md);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,0.7);
  z-index: 2;
}

.species-card .card-body {
  padding: var(--sp-lg);
  position: relative;
  z-index: 1;
}

.species-card .card-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: var(--sp-sm);
}

.species-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
  letter-spacing: -0.02em;
}

.species-card .card-scientific {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-sm);
}

.species-card .card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-md);
}

.species-card .card-meta {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  padding-top: var(--sp-md);
  border-top: 1px solid var(--border);
}

.species-card .meta-item {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

.species-card .meta-item span {
  color: var(--text-secondary);
  font-weight: 600;
}

.species-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--sp-md);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  transition: all var(--duration) var(--ease);
}

.species-card .card-link:hover {
  gap: 12px;
}

/* ============================================================
   10. DETAILED GUIDE SECTIONS — Left accent bar + depth
   ============================================================ */
.guides-section {
  position: relative;
  padding: var(--sp-3xl) 0;
  background: var(--bg-secondary);
  overflow: hidden;
}

/* Subtle radial gradient behind section */
.guides-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  margin-bottom: var(--sp-xl);
  scroll-margin-top: calc(var(--nav-height) + 2rem);
  transition: all 0.35s var(--ease);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

/* Card Print Button */
.card-print-btn {
  position: absolute;
  top: var(--sp-md);
  right: var(--sp-md);
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  box-shadow: var(--shadow-sm);
  user-select: none;
}

.card-print-btn:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
  color: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.card-print-btn:active {
  transform: translateY(0);
}

@media (max-width: 480px) {
  .card-print-btn {
    padding: 4px 10px;
    font-size: 0.7rem;
    top: var(--sp-sm);
    right: var(--sp-sm);
  }
}

/* Gradient accent shimmer at top */
.guide-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    var(--accent) 0%,
    var(--accent-light) 30%,
    transparent 70%
  );
}

.guide-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
  transform: translateY(-2px);
}

.guide-card .guide-header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-xl);
  padding-bottom: var(--sp-lg);
  border-bottom: 1px solid var(--border);
}

.guide-card .guide-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--border-accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.guide-card .guide-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.guide-card .guide-title-group h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.guide-card .guide-scientific {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.guide-card .guide-intro {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: var(--sp-sm);
  line-height: 1.7;
}

.guide-card .guide-quick-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-top: var(--sp-md);
}

.guide-card .quick-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--duration) var(--ease);
}

.guide-card:hover .quick-stat {
  border-color: var(--border-accent);
}

.guide-card .quick-stat .qs-icon { font-size: 0.85rem; }

/* Guide Grid (2 columns on desktop) */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
}

.guide-block {
  margin-bottom: var(--sp-lg);
}

.guide-block h4 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-sm);
  border-bottom: 2px solid;
  border-image: linear-gradient(90deg, var(--accent), var(--accent-light)) 1;
  display: inline-block;
}

.guide-block ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.guide-block li {
  position: relative;
  padding-left: 1.4em;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.guide-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: var(--radius-full);
  box-shadow: 0 0 6px var(--accent-glow);
}

.guide-block li strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Callout Boxes — with subtle gradient backgrounds */
.callout {
  padding: var(--sp-md) var(--sp-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin: var(--sp-md) 0;
  font-size: 0.88rem;
  line-height: 1.65;
  backdrop-filter: blur(4px);
}

.callout-warning {
  background: linear-gradient(135deg, var(--warning-bg), transparent);
  border-color: var(--warning);
  color: var(--warning);
}

.callout-danger {
  background: linear-gradient(135deg, var(--danger-bg), transparent);
  border-color: var(--danger);
  color: var(--danger);
}

.callout-tip {
  background: linear-gradient(135deg, var(--accent-subtle), transparent);
  border-color: var(--accent);
  color: var(--accent);
}

.callout-info {
  background: linear-gradient(135deg, var(--info-bg), transparent);
  border-color: var(--info);
  color: var(--info);
}

.callout strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
}

/* ============================================================
   11. FEEDER SECTION — Cards with gradient top accent
   ============================================================ */
.feeders-section {
  position: relative;
  padding: var(--sp-3xl) 0;
  overflow: hidden;
}

.feeders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--sp-xl);
  align-items: start;
}

.feeder-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  transition: all 0.35s var(--ease);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

/* Gradient top bar */
.feeder-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent-2));
  opacity: 0.6;
  transition: opacity var(--duration) var(--ease);
}

.feeder-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), 0 0 30px var(--accent-glow);
  transform: translateY(-3px);
}

.feeder-card:hover::before {
  opacity: 1;
}

.feeder-card .feeder-header {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-lg);
}

.feeder-card .feeder-emoji {
  font-size: 2rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-subtle), rgba(59, 130, 246, 0.05));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.feeder-card .feeder-header h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.feeder-card .feeder-header .feeder-scientific {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-tertiary);
}

.feeder-card h4 {
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: var(--sp-lg);
  margin-bottom: var(--sp-sm);
  padding-bottom: var(--sp-xs);
  border-bottom: 2px solid;
  border-image: linear-gradient(90deg, var(--accent), var(--accent-light)) 1;
  display: inline-block;
}

.feeder-card ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}

.feeder-card li {
  position: relative;
  padding-left: 1.3em;
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.feeder-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-glow);
}

.feeder-card li strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================================
   12. DISCLAIMER — Elevated with icon treatment
   ============================================================ */
.disclaimer-section {
  padding: var(--sp-xl) 0 var(--sp-2xl);
}

.disclaimer-box {
  background: linear-gradient(135deg, var(--warning-bg), rgba(245, 158, 11, 0.02));
  border: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  box-shadow: var(--shadow-card);
}

.disclaimer-box .disclaimer-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  line-height: 1;
}

.disclaimer-box h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--warning);
  margin-bottom: var(--sp-sm);
}

.disclaimer-box p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   13. FOOTER — Clean with gradient top edge
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--sp-2xl) 0 var(--sp-lg);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-xl);
  margin-bottom: var(--sp-xl);
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-sm);
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 360px;
}

.footer h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-md);
}

.footer ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.footer li a,
.footer li {
  font-size: 0.86rem;
  color: var(--text-secondary);
  transition: color var(--duration) var(--ease);
}
.footer li a:hover { color: var(--accent); }

.footer-bottom {
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* ============================================================
   14. ANIMATIONS
   ============================================================ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Intersection Observer targets */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.stagger-children .animate-on-scroll:nth-child(2) { transition-delay: 0.06s; }
.stagger-children .animate-on-scroll:nth-child(3) { transition-delay: 0.12s; }
.stagger-children .animate-on-scroll:nth-child(4) { transition-delay: 0.18s; }
.stagger-children .animate-on-scroll:nth-child(5) { transition-delay: 0.24s; }
.stagger-children .animate-on-scroll:nth-child(6) { transition-delay: 0.30s; }
.stagger-children .animate-on-scroll:nth-child(7) { transition-delay: 0.36s; }

/* ============================================================
   15. SEARCH RESULTS
   ============================================================ */
.search-hidden { display: none !important; }

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--sp-2xl);
  color: var(--text-tertiary);
  font-size: 1.05rem;
}

.no-results .no-results-icon {
  font-size: 3rem;
  margin-bottom: var(--sp-md);
  opacity: 0.5;
}

/* ============================================================
   15A. CENTERED SEARCH & ACCORDION
   ============================================================ */
.library-search-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto var(--sp-xl);
  display: flex;
  align-items: center;
  z-index: 2;
  padding: 0 var(--sp-sm);
}

.library-search-container input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  box-shadow: var(--shadow-card);
  transition: all var(--duration) var(--ease);
}

.library-search-container input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow), var(--shadow-md);
  background: var(--bg-secondary);
}

.library-search-container .search-icon {
  position: absolute;
  left: 26px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  pointer-events: none;
}

.library-search-container .search-clear {
  position: absolute;
  right: 22px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--duration) var(--ease);
}

.library-search-container .search-clear:hover {
  color: var(--text-primary);
}

/* Accordion Headers & Chevrons */
.guide-card .guide-header,
.feeder-card .feeder-header {
  cursor: pointer;
  position: relative;
  padding-right: 48px;
  user-select: none;
}

.guide-card .guide-header::after,
.feeder-card .feeder-header::after {
  content: '▼';
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.82rem;
  color: var(--text-tertiary);
  transition: transform var(--duration) var(--spring);
}

.guide-card.expanded .guide-header::after,
.feeder-card.expanded .feeder-header::after {
  transform: translateY(-50%) rotate(180deg);
  color: var(--accent);
}

/* Collapse/Expand Content rules */
.guide-card:not(.expanded) .guide-grid {
  display: none !important;
}

.feeder-card:not(.expanded) .feeder-content {
  display: none !important;
}

.guide-card.expanded .guide-grid,
.feeder-card.expanded .feeder-content {
  animation: slideDownFade 0.4s var(--ease) forwards;
}

@keyframes slideDownFade {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   16. MOBILE MENU OVERLAY
   ============================================================ */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

/* ============================================================
   17. RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .guide-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   18. RESPONSIVE — MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(24px) saturate(1.6);
    -webkit-backdrop-filter: blur(24px) saturate(1.6);
    border-left: 1px solid var(--border);
    padding: calc(var(--nav-height) + var(--sp-lg)) var(--sp-lg) var(--sp-lg);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--duration) var(--ease),
                visibility var(--duration) var(--ease);
    z-index: 1000;
    overflow-y: auto;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
  }

  .nav-menu.active {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-menu li a {
    display: block;
    padding: var(--sp-md);
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-menu li a::after { display: none; }

  .nav-actions-group {
    margin-top: var(--sp-lg);
    padding: var(--sp-md) var(--sp-sm) 0;
    display: flex;
    justify-content: flex-start;
    gap: 12px;
    border-top: 1px solid var(--border);
  }

  .nav-search {
    padding: var(--sp-md) 0;
    border-bottom: 1px solid var(--border);
    margin-left: 0;
  }

  .nav-search input,
  .nav-search input:focus {
    width: 100%;
  }

  /* Hero */
  .hero { min-height: 75vh; padding-top: calc(var(--nav-height) + var(--sp-xl)); }
  .hero::before, .hero::after { display: none; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-md); }
  .stat-item + .stat-item::before { display: none; }

  /* Species & Feeders */
  .species-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--sp-md);
  }
  .feeders-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--sp-md);
  }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Guide */
  .guide-card .guide-header { flex-direction: column; }
  .guide-card { padding: var(--sp-lg); }

  /* Disclaimer */
  .disclaimer-box { flex-direction: column; }
}

/* ============================================================
   19. RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .container { padding: 0 var(--sp-md); }
  .nav-brand h2 { font-size: 0.95rem; }
  .species-card .card-image-wrapper { height: 180px; }
  .stat-item h3 { font-size: 1.8rem; }
}

/* ============================================================
   20. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .animate-on-scroll { opacity: 1; transform: none; }
  .hero::before, .hero::after { animation: none; }
}

/* ============================================================
   21. PRINT STYLES
   ============================================================ */
@media print {
  *, *::before, *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
  }

  body::before,
  .navbar-fixed,
  .nav-overlay,
  .hero-bg,
  .hero::before,
  .hero::after,
  .hero-actions,
  .theme-btn,
  .nav-toggle,
  .library-search-container,
  .card-link,
  .card-print-btn,
  .footer { display: none !important; }

  /* Show all care guides & feeders when printing, regardless of accordion collapse state */
  .guide-card .guide-grid,
  .guide-card:not(.expanded) .guide-grid {
    display: grid !important;
  }
  .feeder-card .feeder-content,
  .feeder-card:not(.expanded) .feeder-content {
    display: block !important;
  }

  /* Hide toggle indicators (chevrons) on print */
  .guide-header::after,
  .feeder-header::after {
    display: none !important;
  }

  body { font-size: 11pt; line-height: 1.5; background: #fff !important; color: #000 !important; }
  .hero { min-height: auto; padding: 1cm 0; }

  .guide-card,
  .feeder-card {
    break-before: page !important;
    page-break-before: always !important;
    break-inside: avoid;
    page-break-inside: avoid;
    border: 1px solid #ccc !important;
    border-left: 3px solid #22c55e !important;
    padding: 0.8cm;
    margin-bottom: 0.5cm;
  }

  .species-card { break-inside: avoid; page-break-inside: avoid; }
  img { max-width: 100% !important; }
  a { text-decoration: underline; }

  /* Callout styling in print for better legibility */
  .callout {
    border-left: 3px solid #333 !important;
    background: #f4f6f8 !important;
    padding: 0.3cm !important;
    margin: 0.3cm 0 !important;
  }

  /* ------------------------------------------------------------
     Single-Card Print Mode Overrides
     ------------------------------------------------------------ */
  body.print-single-mode .hero,
  body.print-single-mode .stats-bar,
  body.print-single-mode .species-section,
  body.print-single-mode .disclaimer-section,
  body.print-single-mode .section-header,
  body.print-single-mode .guide-card:not(.print-target),
  body.print-single-mode .feeder-card:not(.print-target) {
    display: none !important;
  }

  body.print-single-mode .guides-section,
  body.print-single-mode .feeders-section {
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
  }

  body.print-single-mode .guides-section::before,
  body.print-single-mode .feeders-section::before {
    display: none !important;
  }

  body.print-single-mode .guides-section:not(:has(.print-target)),
  body.print-single-mode .feeders-section:not(:has(.print-target)) {
    display: none !important;
  }

  body.print-single-mode .print-target {
    break-before: avoid !important;
    page-break-before: avoid !important;
    break-after: avoid !important;
    page-break-after: avoid !important;
    margin: 0 !important;
  }
}