/* ============================================================
   SmallTrack v2 – Professional Dynamic Educational Pet Health
   Real imagery · Subtle motion · AdSense-ready
   ============================================================ */

:root {
  --teal: #1B6B5C;
  --teal-dark: #0D4A3E;
  --teal-mid: #247A6A;
  --sage: #9FBFB0;
  --sage-light: #E4F0EA;
  --sand: #F7F4EE;
  --sand-mid: #EDE8DE;
  --charcoal: #1F2D28;
  --charcoal-mid: #3A4A43;
  --coral: #B85A4A;
  --white: #FFFEFB;
  --gray: #5C6B64;
  --gray-light: #8A9790;
  --border: #D6CFC3;
  --border-light: #E8E2D8;
  --shadow: 0 1px 3px rgba(31,45,40,.06), 0 4px 12px rgba(31,45,40,.04);
  --shadow-md: 0 4px 16px rgba(31,45,40,.08);
  --shadow-lg: 0 12px 40px rgba(31,45,40,.1);
  --radius: 10px;
  --radius-sm: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--sand);
  color: var(--charcoal);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--coral); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulseSoft {
  0%, 100% { box-shadow: 0 0 0 0 rgba(27,107,92,0.25); }
  50% { box-shadow: 0 0 0 8px rgba(27,107,92,0); }
}
.animate-in { animation: fadeInUp 0.55s ease both; }
.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }
.animate-in-delay-4 { animation-delay: 0.4s; }
@media (prefers-reduced-motion: reduce) {
  .animate-in, .animate-in-delay-1, .animate-in-delay-2, .animate-in-delay-3, .animate-in-delay-4 { animation: none; }
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 200;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 650;
  font-size: 1.18rem;
  color: var(--teal-dark);
  letter-spacing: -0.03em;
}
.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--teal-dark);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
}
.nav { display: flex; align-items: center; gap: 1.45rem; }
.nav a { color: var(--charcoal-mid); font-size: 0.88rem; font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--teal-dark); }
.nav a.active { position: relative; }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -5px;
  height: 2px;
  background: var(--teal);
  border-radius: 1px;
}
.nav-cta {
  background: var(--teal-dark) !important;
  color: #fff !important;
  padding: 0.42rem 0.95rem;
  border-radius: 6px;
  font-weight: 600 !important;
  font-size: 0.84rem !important;
}
.nav-cta:hover { background: var(--teal) !important; color: #fff !important; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--charcoal); margin: 4px 0; transition: 0.2s; }

.hero {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  padding: 0;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,74,62,0.82) 0%, rgba(27,107,92,0.7) 100%),
              url('https://images.unsplash.com/photo-1450778869180-41d0601e046e?w=1600&q=80') center/cover no-repeat;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem 4.25rem;
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 3rem;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255,255,255,0.18);
  padding: 0.28rem 0.7rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  backdrop-filter: blur(4px);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  line-height: 1.2;
  color: #fff;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.hero-lead {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 1.75rem;
  max-width: 440px;
  line-height: 1.65;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.72rem 1.3rem;
  border-radius: 7px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s, box-shadow 0.15s;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }
.btn-primary { background: #fff; color: var(--teal-dark); }
.btn-primary:hover { background: var(--sage-light); color: var(--teal-dark); box-shadow: var(--shadow); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.55); }
.btn-secondary:hover { border-color: #fff; background: rgba(255,255,255,0.12); color: #fff; }
.btn-dark { background: var(--teal-dark); color: #fff; }
.btn-dark:hover { background: var(--teal); color: #fff; transform: translateY(-1px); }

.hero-card {
  background: rgba(255,255,255,0.97);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}
.hero-card h3 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--charcoal-mid);
  margin-bottom: 0.9rem;
  letter-spacing: 0.01em;
}
.pet-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.45rem; }
.pet-chip {
  background: var(--sand);
  border: 1px solid var(--border-light);
  border-radius: 7px;
  padding: 0.7rem 0.25rem;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 550;
  color: var(--charcoal-mid);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
  text-decoration: none;
  display: block;
}
.pet-chip:hover { border-color: var(--teal); background: var(--sage-light); color: var(--teal-dark); transform: translateY(-2px); }
.pet-chip img { width: 36px; height: 36px; object-fit: cover; border-radius: 50%; margin: 0 auto 0.3rem; }

.section { padding: 3.5rem 1.5rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 2.4rem; }
.section-header h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--teal-dark);
  margin-bottom: 0.5rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.section-header p { color: var(--gray); max-width: 520px; margin: 0 auto; font-size: 1rem; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.step-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.step-num {
  width: 30px; height: 30px;
  background: var(--teal-dark);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 0.9rem;
}
.step-card h3 { font-size: 1.02rem; color: var(--charcoal); margin-bottom: 0.4rem; font-weight: 600; }
.step-card p { font-size: 0.9rem; color: var(--gray); line-height: 1.55; }

.pets-strip { background: var(--teal-dark); color: rgba(255,255,255,0.92); padding: 1.4rem 1.5rem; }
.pets-strip-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 2.25rem;
  font-size: 0.88rem;
  font-weight: 500;
}

.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 1.35rem; }
.article-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.18s;
  display: flex;
  flex-direction: column;
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.article-card-img { height: 160px; overflow: hidden; position: relative; }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.article-card:hover .article-card-img img { transform: scale(1.05); }
.article-card-body { padding: 1.2rem 1.25rem 1.4rem; flex: 1; display: flex; flex-direction: column; }
.article-card-tag { font-size: 0.66rem; font-weight: 650; color: var(--teal); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.35rem; }
.article-card h3 { font-size: 1.05rem; color: var(--charcoal); margin-bottom: 0.45rem; line-height: 1.35; font-weight: 600; letter-spacing: -0.01em; }
.article-card p { font-size: 0.88rem; color: var(--gray); flex: 1; margin-bottom: 0.9rem; line-height: 1.55; }
.article-card .read-more { font-size: 0.85rem; font-weight: 600; color: var(--teal-dark); }

.trust-bar {
  background: var(--sand-mid);
  padding: 0.95rem 1.5rem;
  text-align: center;
  font-size: 0.86rem;
  color: var(--charcoal-mid);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  line-height: 1.5;
}
.trust-bar strong { color: var(--coral); font-weight: 600; }

.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sand-mid);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--gray-light);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 1.5rem auto;
  overflow: hidden;
  min-height: 90px;
}
.ad-slot.ad-banner { max-width: 728px; height: 90px; }
.ad-slot.ad-rectangle { max-width: 300px; height: 250px; }
.ad-slot.ad-inarticle { max-width: 100%; height: 120px; margin: 2rem 0; }
.ad-label { font-size: 0.65rem; color: var(--gray-light); text-align: center; margin-bottom: 0.25rem; letter-spacing: 0.03em; }

.site-footer {
  background: var(--charcoal);
  color: #A8B5AF;
  padding: 2.75rem 1.5rem 1.35rem;
  margin-top: auto;
  font-size: 0.88rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand .logo { color: #fff; margin-bottom: 0.7rem; }
.footer-brand p { line-height: 1.6; max-width: 260px; color: #8A9790; }
.footer-col h4 { color: #fff; font-size: 0.8rem; font-weight: 600; margin-bottom: 0.85rem; letter-spacing: 0.03em; text-transform: uppercase; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-col a { color: #A8B5AF; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 1.25rem;
  border-top: 1px solid #2F3D37;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: #7A8A83;
}
.footer-bottom a { color: #7A8A83; }

.page-hero {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  padding: 2.4rem 1.5rem 2rem;
  position: relative;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,74,62,0.75), rgba(27,107,92,0.65)),
              url('https://images.unsplash.com/photo-1587300003388-59208cc962cb?w=1400&q=80') center/cover;
  z-index: 0;
}
.page-hero-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; text-align: center; }
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 1.95rem;
  color: #fff;
  margin-bottom: 0.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.page-hero p { color: rgba(255,255,255,0.88); font-size: 1.02rem; }

.content-wrap { max-width: 700px; margin: 0 auto; padding: 2.25rem 1.5rem 3.5rem; }
.content-wrap.wide { max-width: 960px; }
.prose h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--teal-dark);
  margin: 2.1rem 0 0.7rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.prose h3 { font-size: 1.08rem; color: var(--charcoal); margin: 1.5rem 0 0.5rem; font-weight: 600; }
.prose p { margin-bottom: 1.05rem; color: var(--charcoal-mid); }
.prose ul, .prose ol { margin: 0 0 1.15rem 1.25rem; color: var(--charcoal-mid); }
.prose li { margin-bottom: 0.4rem; }
.prose strong { color: var(--charcoal); font-weight: 600; }
.prose img.article-hero { width: 100%; height: 280px; object-fit: cover; border-radius: var(--radius); margin: 0 0 1.5rem; }

.callout {
  background: var(--sage-light);
  border-left: 3px solid var(--teal);
  padding: 1rem 1.15rem;
  border-radius: 0 6px 6px 0;
  margin: 1.5rem 0;
  font-size: 0.92rem;
  color: var(--charcoal-mid);
}
.callout.warning { background: #FBF0ED; border-left-color: var(--coral); }
.callout strong { display: block; margin-bottom: 0.25rem; color: var(--teal-dark); font-weight: 600; }
.callout.warning strong { color: var(--coral); }

.checker-wrap { max-width: 660px; margin: 0 auto; padding: 1.75rem 1.5rem 3.5rem; }
.checker-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.checker-progress { display: flex; background: var(--sand); border-bottom: 1px solid var(--border-light); }
.progress-step {
  flex: 1;
  padding: 0.8rem 0.4rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-light);
  transition: color 0.2s, background 0.2s;
}
.progress-step.active { color: var(--teal-dark); background: var(--white); }
.progress-step.done { color: var(--teal-mid); }
.progress-step span {
  display: inline-block;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--border);
  color: var(--gray);
  font-size: 0.7rem;
  line-height: 20px;
  margin-right: 0.3rem;
  vertical-align: middle;
  transition: background 0.2s;
}
.progress-step.active span, .progress-step.done span { background: var(--teal-dark); color: #fff; }
.checker-body { padding: 1.75rem 1.5rem; }
.checker-body h2 { font-size: 1.25rem; color: var(--teal-dark); margin-bottom: 0.35rem; font-weight: 600; letter-spacing: -0.015em; }
.checker-body .sub { color: var(--gray); margin-bottom: 1.35rem; font-size: 0.92rem; }
.pet-select-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.7rem; }
.pet-option {
  background: var(--sand);
  border: 1.5px solid var(--border-light);
  border-radius: 8px;
  padding: 1rem 0.6rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
}
.pet-option:hover { border-color: var(--sage); background: var(--sage-light); transform: translateY(-2px); }
.pet-option.selected { border-color: var(--teal); background: var(--sage-light); box-shadow: 0 0 0 1px var(--teal); animation: pulseSoft 1.5s ease 1; }
.pet-option img { width: 48px; height: 48px; object-fit: cover; border-radius: 50%; margin: 0 auto 0.4rem; }
.pet-option .label { font-weight: 600; font-size: 0.85rem; color: var(--charcoal); }
.symptom-list { display: grid; gap: 0.45rem; max-height: 340px; overflow-y: auto; padding-right: 0.25rem; }
.symptom-item {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.75rem 0.9rem;
  background: var(--sand);
  border: 1.5px solid var(--border-light);
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.symptom-item:hover { border-color: var(--sage); }
.symptom-item.selected { border-color: var(--teal); background: var(--sage-light); }
.symptom-item input { margin-top: 0.15rem; accent-color: var(--teal-dark); width: 16px; height: 16px; flex-shrink: 0; }
.symptom-item .sym-label { font-weight: 550; font-size: 0.92rem; color: var(--charcoal); }
.symptom-item .sym-desc { font-size: 0.8rem; color: var(--gray); margin-top: 0.12rem; }
.checker-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-light);
}
.report-section { margin-bottom: 1.5rem; }
.report-section h3 { font-size: 1rem; color: var(--teal-dark); margin-bottom: 0.55rem; font-weight: 600; }
.report-section ul { margin-left: 1.1rem; }
.report-section li { margin-bottom: 0.35rem; font-size: 0.92rem; color: var(--charcoal-mid); }
.report-meta { background: var(--sand); border-radius: 7px; padding: 0.9rem 1rem; margin-bottom: 1.25rem; font-size: 0.88rem; color: var(--charcoal-mid); }
.report-meta strong { color: var(--teal-dark); }

.log-form { display: grid; gap: 1rem; margin-bottom: 2rem; }
.log-entries { display: grid; gap: 0.85rem; }
.log-entry {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
  animation: fadeIn 0.35s ease;
}
.log-entry-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.5rem; gap: 0.75rem; }
.log-entry-title { font-weight: 600; color: var(--teal-dark); font-size: 0.98rem; }
.log-entry-date { font-size: 0.78rem; color: var(--gray); white-space: nowrap; }
.log-entry-body { font-size: 0.9rem; color: var(--charcoal-mid); line-height: 1.55; }
.log-entry-actions { margin-top: 0.65rem; display: flex; gap: 0.6rem; }
.log-entry-actions button { background: none; border: none; color: var(--coral); font-size: 0.8rem; cursor: pointer; font-weight: 500; padding: 0; }
.log-entry-actions button:hover { text-decoration: underline; }
.log-empty { text-align: center; padding: 2.5rem 1rem; color: var(--gray); font-size: 0.95rem; }

.contact-form { display: grid; gap: 1rem; max-width: 480px; }
.form-group label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 0.3rem; color: var(--charcoal); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.92rem;
  background: var(--white);
  color: var(--charcoal);
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--teal); }
.form-group textarea { min-height: 130px; resize: vertical; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 1.5rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--border-light);
}
.breadcrumb { font-size: 0.8rem; color: var(--gray); margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--teal); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 0.5rem; }
.feature-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature-card img { width: 48px; height: 48px; object-fit: cover; border-radius: 10px; margin-bottom: 0.9rem; }
.feature-card h3 { font-size: 1.05rem; color: var(--charcoal); margin-bottom: 0.4rem; font-weight: 600; }
.feature-card p { font-size: 0.9rem; color: var(--gray); line-height: 1.55; margin-bottom: 0.85rem; }
.feature-card a { font-size: 0.85rem; font-weight: 600; color: var(--teal-dark); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero h1 { font-size: 1.95rem; }
  .steps, .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--white);
    padding: 1rem 1.5rem 1.35rem;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    gap: 0.85rem;
  }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 1.7rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .pet-select-grid { grid-template-columns: repeat(2, 1fr); }
  .progress-step { font-size: 0.72rem; }
  .progress-step span { display: none; }
  .ad-slot.ad-banner { height: 60px; }
}
@media (max-width: 480px) {
  .pet-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
}