/* ============================================================
   BUTT PUPPIES FOUNDATION — Design System
   A totally legitimate nonprofit stylesheet.
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Custom Properties
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --color-primary: #2A9D8F;
  --color-accent: #E76F51;
  --color-dark: #264653;
  --color-light: #F8F9FA;
  --color-white: #FFFFFF;
  --color-muted: #6C757D;

  /* Fonts */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

  /* Animation timing */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-light);
  -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

/* ------------------------------------------------------------
   3. Typography
   ------------------------------------------------------------ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--space-md);
}

blockquote {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--color-muted);
  background: var(--color-white);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ------------------------------------------------------------
   4. Navigation
   ------------------------------------------------------------ */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
}

.nav-logo:hover {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  color: var(--color-dark);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-dark);
  padding: var(--space-sm);
}

/* ------------------------------------------------------------
   5. Footer
   ------------------------------------------------------------ */
.site-footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-disclaimer {
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ------------------------------------------------------------
   6. Layout Utilities
   ------------------------------------------------------------ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ------------------------------------------------------------
   7. Card Component
   ------------------------------------------------------------ */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* ------------------------------------------------------------
   8. Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: #238b7e;
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-donate {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-donate:hover {
  background: #d45a3a;
  color: var(--color-white);
}

.btn-large {
  padding: 0.9rem 2.2rem;
  font-size: 1.15rem;
}

/* ------------------------------------------------------------
   9. Keyframe Animations
   ------------------------------------------------------------ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-15px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

@keyframes typewriter {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes confetti-fall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

@keyframes kenburns {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.1) translate(-2%, -1%); }
}

/* ------------------------------------------------------------
   10. Scroll Animation Utility
   ------------------------------------------------------------ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ============================================================
   11. Page-Specific Styles
   ============================================================ */

/* --- Home Page --- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) var(--space-lg);
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--color-dark);
}

.hero .subtitle {
  font-size: 1.3rem;
  color: var(--color-muted);
  margin-top: var(--space-sm);
}

.floating-butt-puppy {
  position: absolute;
  animation: float 3s ease-in-out infinite;
  font-size: 2rem;
  pointer-events: none;
  opacity: 0.7;
}

.floating-butt-puppy:nth-child(2) {
  font-size: 2.5rem;
  animation-delay: 0.5s;
}

.floating-butt-puppy:nth-child(3) {
  font-size: 1.6rem;
  animation-delay: 1.2s;
}

.floating-butt-puppy:nth-child(4) {
  font-size: 3rem;
  animation-delay: 0.8s;
}

.stats-section {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  padding: var(--space-xxl) var(--space-lg);
}

.stat-card {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.stat-label {
  color: var(--color-muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-top: var(--space-xs);
}

.origin-section {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
}

.founder-quote {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  font-style: italic;
  color: var(--color-muted);
  margin: var(--space-lg) 0;
}

.founder-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
}

.founder-card .avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* --- What Are Butt Puppies --- */
.taxonomy-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.taxonomy-table th,
.taxonomy-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
}

.taxonomy-table th {
  background: var(--color-dark);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.taxonomy-table tr:nth-child(even) {
  background: var(--color-light);
}

.taxonomy-table tr:hover {
  background: rgba(42, 157, 143, 0.06);
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.type-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  text-align: center;
  transition: box-shadow var(--transition-base);
  position: relative;
}

.type-card:hover {
  box-shadow: var(--shadow-md);
}

.type-card .emoji {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.type-card .name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.type-card .description {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-pill);
  background: var(--color-light);
  color: var(--color-muted);
}

.badge-disputed {
  background: #fff3e0;
  color: #e65100;
}

.expert-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  border-left: 4px solid var(--color-primary);
  margin-bottom: var(--space-lg);
}

.expert-card:nth-child(2) {
  border-left-color: var(--color-accent);
}

.expert-card:nth-child(3) {
  border-left-color: #e9c46a;
}

.expert-card .avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-dark);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.expert-card .quote {
  font-style: italic;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.expert-card .name {
  font-weight: 700;
}

.expert-card .title {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* --- Generator --- */
.generator-input {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.generator-input input {
  width: 100%;
  font-size: 1.15rem;
  padding: 0.9rem var(--space-lg);
  border: 2px solid #dee2e6;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
}

.generator-input input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.generator-input .btn {
  margin-top: var(--space-md);
}

.result-card {
  max-width: 600px;
  margin: var(--space-xl) auto;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xl);
  text-align: center;
  animation: fadeInUp 0.6s ease forwards;
}

.result-breed {
  font-size: 1.8rem;
  font-family: var(--font-heading);
  margin-bottom: var(--space-md);
}

.rarity-badge {
  display: inline-block;
  padding: 0.25rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-lg);
}

.rarity-badge.legendary  { background: #fff8e1; color: #f9a825; }
.rarity-badge.mythical   { background: #f3e5f5; color: #8e24aa; }
.rarity-badge.rare       { background: #e3f2fd; color: #1565c0; }
.rarity-badge.uncommon   { background: #e8f5e9; color: #2e7d32; }
.rarity-badge.common     { background: #f5f5f5; color: #757575; }

.stat-bars {
  text-align: left;
  margin-top: var(--space-lg);
}

.stat-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.stat-row .label {
  width: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: right;
  flex-shrink: 0;
}

.stat-bar {
  flex: 1;
  height: 20px;
  background: var(--color-light);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  transition: width 1s ease;
}

.stat-row .value {
  width: 30px;
  font-size: 0.85rem;
  font-weight: 600;
}

.confetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  pointer-events: none;
  z-index: 200;
  animation: confetti-fall 3s linear forwards;
}

/* --- Gallery --- */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: 0.4rem 1.2rem;
  border: 2px solid #dee2e6;
  border-radius: var(--radius-pill);
  background: var(--color-white);
  cursor: pointer;
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.masonry-grid {
  columns: 3;
  column-gap: var(--space-lg);
}

.gallery-card {
  break-inside: avoid;
  margin-bottom: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
  cursor: pointer;
}

.gallery-card:hover {
  box-shadow: var(--shadow-md);
}

.gallery-image {
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light);
  font-size: 4rem;
}

.gallery-title {
  font-style: italic;
  font-weight: 600;
  padding: var(--space-md) var(--space-md) var(--space-xs);
}

.gallery-credit {
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: 0 var(--space-md) var(--space-md);
}

.star-rating {
  display: inline-flex;
  gap: 2px;
  padding: 0 var(--space-md) var(--space-md);
}

.star {
  cursor: pointer;
  font-size: 1.2rem;
  color: #dee2e6;
  transition: color var(--transition-fast);
}

.star:hover,
.star.active {
  color: #f9a825;
}

.rating-disclaimer {
  font-size: 0.65rem;
  color: var(--color-muted);
  text-align: center;
  padding: 0 var(--space-md) var(--space-sm);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  font-size: 2rem;
  color: var(--color-white);
  background: none;
  border: none;
  cursor: pointer;
}

.lightbox-image {
  font-size: 8rem;
  text-align: center;
  animation: kenburns 10s ease-in-out infinite alternate;
}

.lightbox-blurb {
  color: var(--color-white);
  max-width: 500px;
  text-align: center;
  margin-top: var(--space-lg);
  overflow: hidden;
  white-space: nowrap;
  animation: typewriter 3s steps(40) forwards;
}

.toast {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  z-index: 1100;
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  pointer-events: none;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* --- FAQ --- */
.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid #dee2e6;
  margin-bottom: var(--space-sm);
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-md) var(--space-sm);
  font-size: 1.1rem;
  font-family: var(--font-body);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-dark);
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--color-light);
}

.accordion-header::after {
  content: "\25BC";
  font-size: 0.75rem;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.accordion-item.open .accordion-header::after {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 var(--space-sm);
}

.accordion-item.open .accordion-body {
  max-height: 1200px;
  padding: var(--space-sm) var(--space-sm) var(--space-lg);
}

.typing-indicator {
  display: inline-block;
  font-size: 1.5rem;
  letter-spacing: 0.3em;
  color: var(--color-muted);
}

.typing-indicator::after {
  content: "...";
  animation: pulse 1.5s infinite;
}

.giant-space {
  height: 800px;
}

.tiny-text {
  font-size: 0.7rem;
  text-align: center;
  color: var(--color-muted);
}

.hidden-question {
  opacity: 0;
  transition: opacity 1s ease;
}

.hidden-question.revealed {
  opacity: 1;
}

/* --- Shop --- */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  text-align: center;
  position: relative;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-image {
  font-size: 3.5rem;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.product-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.product-description {
  color: var(--color-muted);
  font-style: italic;
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.product-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.product-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.sold-out {
  background: #dc3545;
  color: var(--color-white);
  transform: rotate(-15deg);
}

.cart-icon {
  position: relative;
  cursor: pointer;
  font-size: 1.4rem;
}

.cart-count {
  position: absolute;
  top: -6px;
  right: -10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 500px;
  width: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-muted);
}

/* --- 404 --- */
.error-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.error-emoji {
  font-size: 6rem;
  margin-bottom: var(--space-lg);
}

.error-message {
  font-size: 2rem;
  font-family: var(--font-heading);
  margin-bottom: var(--space-md);
}

/* --- Cursor Paw Trail --- */
.paw-trail {
  position: fixed;
  pointer-events: none;
  font-size: 1rem;
  z-index: 9999;
  animation: fadeInUp 0.3s ease reverse forwards;
}

/* ============================================================
   12. Responsive Breakpoints
   ============================================================ */

/* --- Tablet & Small Desktop (768px) --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-md);
    display: none;
  }

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

  .nav-links a {
    padding: var(--space-sm) var(--space-lg);
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero .subtitle {
    font-size: 1.1rem;
  }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .types-grid {
    grid-template-columns: 1fr;
  }

  .stats-section {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .masonry-grid {
    columns: 2;
  }

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

  .footer-links {
    justify-content: center;
  }
}

/* --- Mobile (480px) --- */
@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }

  .hero h1 {
    font-size: 2rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .masonry-grid {
    columns: 1;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .result-card {
    padding: var(--space-lg);
  }

  .filter-bar {
    gap: var(--space-xs);
  }

  .filter-btn {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
  }

  .lightbox-blurb {
    white-space: normal;
    font-size: 0.9rem;
    padding: 0 var(--space-md);
  }
}