/* ============================================
   My Perfect Pup — Design System
   ============================================ */

/* --- Reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{line-height:1.6;-webkit-font-smoothing:antialiased}
img,picture,video,canvas,svg{display:block;max-width:100%}
input,button,textarea,select{font:inherit}
p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}
ul,ol{list-style:none}
a{text-decoration:none;color:inherit}
table{border-collapse:collapse;width:100%}

/* --- Custom Properties --- */
:root{
  --primary:#8B5E3C;
  --primary-dark:#6B4226;
  --primary-light:#A87B5A;
  --accent:#E67E22;
  --accent-dark:#CF6D17;
  --accent-light:#F39C4D;
  --bg:#FDFBF7;
  --bg-warm:#F5F0E8;
  --bg-card:#FFFFFF;
  --text:#2D2016;
  --text-secondary:#5C4A3A;
  --text-muted:#8C7B6B;
  --border:#E0D5C7;
  --border-light:#EDE7DD;
  --success:#27AE60;
  --warning:#F1C40F;
  --danger:#E74C3C;
  --info:#3498DB;
  --shadow-sm:0 1px 3px rgba(45,32,22,.08);
  --shadow-md:0 4px 12px rgba(45,32,22,.1);
  --shadow-lg:0 8px 24px rgba(45,32,22,.12);
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --radius-xl:24px;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono','Fira Code',monospace;
  --container:1200px;
  --header-h:64px;
  --transition:200ms ease;
}

/* --- Typography --- */
body{font-family:var(--font-body);font-size:16px;color:var(--text);background:var(--bg)}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;color:var(--text)}
h1{font-size:clamp(1.75rem,4vw,2.5rem)}
h2{font-size:clamp(1.4rem,3vw,2rem)}
h3{font-size:clamp(1.15rem,2.5vw,1.5rem)}
h4{font-size:1.125rem}
p{margin-bottom:1rem;color:var(--text-secondary)}
strong{font-weight:600;color:var(--text)}
small{font-size:.875rem}
.text-muted{color:var(--text-muted)}
.text-accent{color:var(--accent)}
.text-primary{color:var(--primary)}
.text-center{text-align:center}
.stat-number{font-family:var(--font-mono);font-weight:700;font-size:1.5rem;color:var(--primary)}
.stat-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}

/* --- Layout --- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 1rem}
.section{padding:3rem 0}
.section-sm{padding:2rem 0}
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex}
.flex-wrap{flex-wrap:wrap}
.flex-center{align-items:center;justify-content:center}
.flex-between{justify-content:space-between;align-items:center}
.gap-sm{gap:.5rem}
.gap-md{gap:1rem}
.gap-lg{gap:1.5rem}
.gap-xl{gap:2rem}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.25rem;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;border:none;cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:.4rem .8rem;font-size:.8rem}
.btn-lg{padding:.8rem 1.75rem;font-size:1rem}

/* --- Cards --- */
.card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-sm);transition:all var(--transition)}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card-flat{box-shadow:none}
.card-flat:hover{transform:none}
.card-accent{border-left:4px solid var(--accent)}

/* --- Breed Card --- */
.breed-card{display:flex;flex-direction:column;gap:.75rem;padding:1.25rem}
.breed-card .breed-card-header{display:flex;justify-content:space-between;align-items:flex-start}
.breed-card .breed-name{font-size:1.1rem;font-weight:700;color:var(--primary)}
.breed-card .breed-name:hover{color:var(--accent)}
.breed-card .breed-group{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}
.breed-card .breed-stats{display:flex;gap:1rem;font-size:.85rem;color:var(--text-secondary)}
.breed-card .breed-tags{display:flex;flex-wrap:wrap;gap:.35rem}
.breed-card .breed-link{margin-top:auto;font-weight:600;font-size:.85rem;color:var(--accent)}
.breed-card .breed-link:hover{color:var(--accent-dark)}

/* --- Badges & Tags --- */
.badge{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:var(--radius-xl);font-size:.75rem;font-weight:600}
.badge-primary{background:rgba(139,94,60,.1);color:var(--primary)}
.badge-accent{background:rgba(230,126,34,.1);color:var(--accent)}
.badge-success{background:rgba(39,174,96,.1);color:var(--success)}
.badge-warning{background:rgba(241,196,15,.1);color:#B7950B}
.badge-danger{background:rgba(231,76,60,.1);color:var(--danger)}
.badge-info{background:rgba(52,152,219,.1);color:var(--info)}
.tag{display:inline-block;padding:.15rem .5rem;border-radius:var(--radius-sm);font-size:.7rem;font-weight:500;background:var(--bg-warm);color:var(--text-secondary)}

/* --- Rating Stars --- */
.rating-stars{display:inline-flex;gap:2px}
.rating-stars .star{width:16px;height:16px;fill:var(--border);transition:fill var(--transition)}
.rating-stars .star.filled{fill:var(--accent)}
.rating-stars .star.half{fill:url(#star-half-gradient)}
.rating-display{display:flex;align-items:center;gap:.5rem}
.rating-display .rating-value{font-family:var(--font-mono);font-weight:600;font-size:.9rem;color:var(--text)}

/* --- Severity Indicators --- */
.severity{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem;font-weight:600}
.severity-dot{width:8px;height:8px;border-radius:50%}
.severity-low .severity-dot{background:var(--success)}
.severity-low{color:var(--success)}
.severity-moderate .severity-dot{background:var(--warning)}
.severity-moderate{color:#B7950B}
.severity-high .severity-dot{background:var(--accent)}
.severity-high{color:var(--accent)}
.severity-severe .severity-dot{background:var(--danger)}
.severity-severe{color:var(--danger)}

/* --- Header --- */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg-card);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);height:var(--header-h)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.site-logo{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:800;color:var(--primary)}
.site-logo svg{width:28px;height:28px}
.site-nav{display:flex;align-items:center;gap:1.75rem}
.site-nav a{font-size:.9rem;font-weight:500;color:var(--text-secondary);transition:color var(--transition);position:relative}
.site-nav a:hover,.site-nav a.active{color:var(--primary)}
.site-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--accent);border-radius:1px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:1px;transition:all var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav{display:none;position:fixed;top:var(--header-h);left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);padding:1rem;z-index:99}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:.75rem 1rem;font-size:1rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm)}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--bg-warm);color:var(--primary)}

/* --- Footer --- */
.site-footer{background:var(--text);color:rgba(255,255,255,.7);padding:3rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.footer-brand p{font-size:.9rem;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-heading{font-size:.85rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem}
.site-footer a{color:rgba(255,255,255,.6);font-size:.85rem;transition:color var(--transition)}
.site-footer a:hover{color:var(--accent-light)}
.site-footer ul li{margin-bottom:.5rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;text-align:center;font-size:.8rem;color:rgba(255,255,255,.4)}

/* --- Breadcrumbs --- */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;padding:.75rem 0;font-size:.8rem;color:var(--text-muted)}
.breadcrumbs a{color:var(--text-secondary);transition:color var(--transition)}
.breadcrumbs a:hover{color:var(--primary)}
.breadcrumbs .separator{color:var(--border)}

/* --- Hero --- */
.hero{padding:3rem 0 2.5rem;background:linear-gradient(135deg,var(--bg-warm) 0%,var(--bg) 100%)}
.hero h1{margin-bottom:.75rem}
.hero p{font-size:1.1rem;max-width:640px;color:var(--text-secondary)}
.hero-breed{display:grid;grid-template-columns:1fr 320px;gap:2rem;align-items:start}
.hero-breed .hero-content{padding:1rem 0}

/* --- Stats Card --- */
.stats-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md)}
.stats-card h3{font-size:1rem;margin-bottom:1rem;color:var(--primary)}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.stat-item{display:flex;flex-direction:column;gap:.15rem}

/* --- Characteristic Tables --- */
.char-table{width:100%;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-light)}
.char-table tr{border-bottom:1px solid var(--border-light)}
.char-table tr:last-child{border-bottom:none}
.char-table td{padding:.75rem 1rem;font-size:.9rem}
.char-table td:first-child{font-weight:600;color:var(--text);width:40%;background:var(--bg-warm)}
.char-table td:last-child{color:var(--text-secondary)}
.char-table .bar-cell{display:flex;align-items:center;gap:.75rem}
.char-bar{flex:1;height:8px;background:var(--border-light);border-radius:4px;overflow:hidden}
.char-bar-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .6s ease}
.char-bar-value{font-family:var(--font-mono);font-size:.8rem;font-weight:600;min-width:28px;color:var(--text)}

/* --- Health Tables --- */
.health-table{width:100%;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-light)}
.health-table thead th{padding:.65rem 1rem;background:var(--primary);color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;text-align:left;font-weight:600}
.health-table tbody tr{border-bottom:1px solid var(--border-light)}
.health-table tbody tr:nth-child(even){background:var(--bg-warm)}
.health-table tbody td{padding:.65rem 1rem;font-size:.875rem;color:var(--text-secondary)}
.health-table tbody td:first-child{font-weight:600;color:var(--text)}

/* --- Comparison Page --- */
.comparison-header{text-align:center;padding:2rem 0}
.comparison-header .vs{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;font-size:1rem;margin:0 1rem}
.comparison-table{border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden}
.comparison-table tr{border-bottom:1px solid var(--border-light)}
.comparison-table td,.comparison-table th{padding:.75rem 1rem;font-size:.9rem;text-align:center}
.comparison-table th{background:var(--bg-warm);font-weight:600;color:var(--text)}
.comparison-table td:first-child{text-align:left;font-weight:600;color:var(--text);background:rgba(139,94,60,.04);width:30%}
.comparison-bar{display:flex;align-items:center;gap:.5rem}
.comparison-bar-track{flex:1;height:10px;background:var(--border-light);border-radius:5px;overflow:hidden;position:relative}
.comparison-bar-fill-left{height:100%;background:var(--primary);border-radius:5px;position:absolute;left:0;top:0}
.comparison-bar-fill-right{height:100%;background:var(--accent);border-radius:5px;position:absolute;right:0;top:0}
.comparison-bar-label{font-size:.75rem;font-weight:600;min-width:60px}
.comparison-bar-label-left{text-align:right;color:var(--primary)}
.comparison-bar-label-right{text-align:left;color:var(--accent)}
.verdict-card{background:linear-gradient(135deg,rgba(139,94,60,.05),rgba(230,126,34,.05));border:2px solid var(--accent);border-radius:var(--radius-lg);padding:2rem;margin:2rem 0}
.verdict-card h3{color:var(--accent);margin-bottom:1rem}

/* --- Best List Page --- */
.ranked-card{display:grid;grid-template-columns:60px 1fr;gap:1rem;padding:1.5rem;align-items:start}
.rank-number{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;font-size:1.25rem;font-family:var(--font-mono)}
.rank-1 .rank-number{background:var(--accent);font-size:1.5rem;width:56px;height:56px}
.ranked-card h3{font-size:1.1rem;margin-bottom:.5rem}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}
.pros h4,.cons h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:.5rem}
.pros h4{color:var(--success)}
.cons h4{color:var(--danger)}
.pros li,.cons li{font-size:.85rem;color:var(--text-secondary);padding:.25rem 0;padding-left:1.25rem;position:relative}
.pros li::before{content:'✓';position:absolute;left:0;color:var(--success);font-weight:700}
.cons li::before{content:'✗';position:absolute;left:0;color:var(--danger);font-weight:700}

/* --- Tools/Calculator --- */
.calculator-card{max-width:560px;margin:0 auto;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-md)}
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.4rem;color:var(--text)}
.form-group input,.form-group select{width:100%;padding:.65rem .85rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;transition:border-color var(--transition);background:var(--bg)}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(139,94,60,.1)}
.result-display{background:var(--bg-warm);border-radius:var(--radius-md);padding:1.5rem;text-align:center;margin-top:1.5rem}
.result-display .result-value{font-family:var(--font-mono);font-size:2rem;font-weight:700;color:var(--primary)}
.result-display .result-label{font-size:.85rem;color:var(--text-muted);margin-top:.25rem}

/* --- FAQ Accordion --- */
.faq-section{padding:2rem 0}
.faq-section h2{margin-bottom:1.5rem}
.faq-item{border:1px solid var(--border-light);border-radius:var(--radius-md);margin-bottom:.75rem;overflow:hidden}
.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:1rem 1.25rem;background:none;border:none;cursor:pointer;font-size:.95rem;font-weight:600;color:var(--text);text-align:left;transition:background var(--transition)}
.faq-question:hover{background:var(--bg-warm)}
.faq-question .faq-icon{flex-shrink:0;width:20px;height:20px;transition:transform var(--transition)}
.faq-item.open .faq-question .faq-icon{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-answer{max-height:1000px}
.faq-answer-inner{padding:0 1.25rem 1.25rem;font-size:.9rem;color:var(--text-secondary);line-height:1.7}

/* --- Search & Filter --- */
.search-box{position:relative;max-width:480px;margin:0 auto}
.search-box input{width:100%;padding:.85rem 1rem .85rem 2.75rem;border:2px solid var(--border);border-radius:var(--radius-xl);font-size:1rem;background:var(--bg-card);transition:all var(--transition)}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:var(--shadow-md)}
.search-box .search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}
.search-results{position:absolute;top:100%;left:0;right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);max-height:320px;overflow-y:auto;display:none;z-index:50}
.search-results.open{display:block}
.search-result-item{padding:.65rem 1rem;cursor:pointer;font-size:.9rem;border-bottom:1px solid var(--border-light);transition:background var(--transition)}
.search-result-item:hover,.search-result-item.highlighted{background:var(--bg-warm)}
.search-result-item:last-child{border-bottom:none}
.filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.filter-btn{padding:.4rem .85rem;border:1px solid var(--border);border-radius:var(--radius-xl);font-size:.8rem;font-weight:500;background:var(--bg-card);color:var(--text-secondary);cursor:pointer;transition:all var(--transition)}
.filter-btn:hover,.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* --- Growth Chart --- */
.chart-container{position:relative;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:1.5rem;overflow:hidden}
.chart-container svg{width:100%;height:auto}
.chart-legend{display:flex;gap:1.5rem;margin-top:1rem;justify-content:center;font-size:.8rem}
.chart-legend-item{display:flex;align-items:center;gap:.35rem}
.chart-legend-dot{width:10px;height:10px;border-radius:50%}

/* --- Size/Range Bars --- */
.range-bar{position:relative;height:24px;background:var(--border-light);border-radius:12px;overflow:hidden;margin:.5rem 0}
.range-bar-fill{position:absolute;top:0;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:12px;transition:width .6s ease}
.range-bar-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);margin-top:.25rem}

/* --- Sub-page Navigation --- */
.sub-nav{display:flex;flex-wrap:wrap;gap:.5rem;padding:1rem 0;border-bottom:1px solid var(--border-light);margin-bottom:2rem}
.sub-nav a{display:inline-flex;align-items:center;gap:.35rem;padding:.5rem 1rem;border-radius:var(--radius-xl);font-size:.85rem;font-weight:500;color:var(--text-secondary);background:var(--bg-warm);transition:all var(--transition)}
.sub-nav a:hover,.sub-nav a.active{background:var(--primary);color:#fff}

/* --- Content Sections --- */
.content-section{margin-bottom:2.5rem}
.content-section h2{margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border-light)}
.content-section h3{margin-bottom:.75rem;color:var(--primary-dark)}
.content-section p{line-height:1.8}
.content-section ul{margin:.75rem 0;padding-left:1.5rem}
.content-section ul li{position:relative;padding:.3rem 0;padding-left:.25rem;color:var(--text-secondary);font-size:.95rem;list-style:disc}

/* --- Tip Box --- */
.tip-box{background:rgba(39,174,96,.06);border:1px solid rgba(39,174,96,.2);border-left:4px solid var(--success);border-radius:var(--radius-md);padding:1.25rem 1.5rem;margin:1.5rem 0}
.tip-box h4{color:var(--success);margin-bottom:.5rem;font-size:.95rem}
.tip-box p{margin-bottom:0;font-size:.9rem}
.warning-box{background:rgba(231,76,60,.06);border:1px solid rgba(231,76,60,.2);border-left:4px solid var(--danger);border-radius:var(--radius-md);padding:1.25rem 1.5rem;margin:1.5rem 0}
.warning-box h4{color:var(--danger);margin-bottom:.5rem;font-size:.95rem}
.warning-box p{margin-bottom:0;font-size:.9rem}

/* --- Price Table --- */
.price-table{width:100%;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-light)}
.price-table tr{border-bottom:1px solid var(--border-light)}
.price-table td{padding:.65rem 1rem;font-size:.9rem}
.price-table td:first-child{font-weight:600;color:var(--text);background:var(--bg-warm)}
.price-table td:last-child{font-family:var(--font-mono);color:var(--primary);font-weight:600}

/* --- Similar Breeds --- */
.similar-breeds{display:flex;gap:1rem;overflow-x:auto;padding-bottom:.5rem;-webkit-overflow-scrolling:touch}
.similar-breeds .card{min-width:200px;flex-shrink:0}

/* --- Category Cards (homepage) --- */
.category-card{display:flex;align-items:center;gap:1rem;padding:1.25rem;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition)}
.category-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.category-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--bg-warm);font-size:1.5rem;flex-shrink:0}
.category-card h3{font-size:1rem;margin-bottom:.15rem}
.category-card p{margin-bottom:0;font-size:.8rem;color:var(--text-muted)}

/* --- Page-specific: Colors --- */
.color-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}
.color-swatch{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1rem;border:1px solid var(--border-light);border-radius:var(--radius-md)}
.color-circle{width:48px;height:48px;border-radius:50%;border:2px solid var(--border);box-shadow:inset 0 2px 4px rgba(0,0,0,.1)}
.color-name{font-size:.8rem;font-weight:600;text-align:center}

/* --- 404 Page --- */
.page-404{text-align:center;padding:6rem 0}
.page-404 h1{font-size:5rem;color:var(--primary);margin-bottom:1rem}
.page-404 p{font-size:1.2rem}

/* --- Guide Page --- */
.guide-content{max-width:768px;margin:0 auto}
.guide-content h2{margin-top:2rem}
.guide-content img{border-radius:var(--radius-md);margin:1.5rem 0}
.table-of-contents{background:var(--bg-warm);border-radius:var(--radius-md);padding:1.25rem 1.5rem;margin-bottom:2rem}
.table-of-contents h4{margin-bottom:.75rem;font-size:.9rem}
.table-of-contents a{display:block;padding:.3rem 0;font-size:.85rem;color:var(--primary)}
.table-of-contents a:hover{color:var(--accent)}

/* --- Responsive --- */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-breed{grid-template-columns:1fr}
}
@media(max-width:768px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .site-nav{display:none}
  .hamburger{display:flex}
  .section{padding:2rem 0}
  .hero{padding:2rem 0}
  .comparison-table{font-size:.8rem}
  .comparison-table td,.comparison-table th{padding:.5rem}
  .footer-grid{grid-template-columns:1fr}
  .pros-cons{grid-template-columns:1fr}
  .ranked-card{grid-template-columns:48px 1fr}
  .stats-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .grid-3{grid-template-columns:1fr}
  .container{padding:0 .75rem}
  h1{font-size:1.5rem}
  .filter-bar{gap:.35rem}
  .sub-nav{gap:.35rem}
  .sub-nav a{padding:.4rem .75rem;font-size:.8rem}
}

/* --- Print --- */
@media print{
  .site-header,.site-footer,.mobile-nav,.search-box,.filter-bar,.sub-nav{display:none}
  body{font-size:12pt;color:#000;background:#fff}
  .card{box-shadow:none;border:1px solid #ddd}
}