/* ==========================================
   狗狗出游地图 - 推广宣传站 样式表
   Pet-Friendly Travel Platform
   ========================================== */

/* CSS Variables */
:root {
  --primary: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  --primary-lighter: #6ee7b7;
  --primary-bg: #f0fdf4;
  --accent: #FF8C42;
  --accent-light: #FFB366;
  --text: #1f2937;
  --text-light: #4b5563;
  --text-lighter: #9ca3af;
  --bg: #ffffff;
  --bg-gray: #f9fafb;
  --bg-dark: #111827;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.05);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --max-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --transition: all 0.3s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Utility */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }

/* ==========================================
   Navigation
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}
.navbar-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.navbar-brand .logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.navbar-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
.navbar-nav a {
  color: var(--text-light);
  font-size: 15px;
  font-weight: 500;
  padding: 4px 0;
  position: relative;
}
.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--primary);
}
.navbar-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16,185,129,0.3);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--primary-bg) 0%, #ecfdf5 50%, #d1fae5 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16,185,129,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,140,66,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}
.hero-content {
  flex: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(16,185,129,0.1);
  border-radius: 9999px;
  font-size: 13px;
  color: var(--primary-dark);
  font-weight: 500;
  margin-bottom: 20px;
}
.hero-badge svg {
  width: 14px;
  height: 14px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text);
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 32px;
  max-width: 480px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.hero-qr {
  flex-shrink: 0;
  text-align: center;
}
.qr-placeholder {
  width: 180px;
  height: 180px;
  background: #fff;
  border-radius: var(--radius);
  border: 2px dashed var(--primary-lighter);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}
.qr-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.6;
}
.qr-placeholder span {
  font-size: 13px;
  color: var(--text-lighter);
}
.qr-placeholder img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
}
.qr-label {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-lighter);
}

/* ==========================================
   Section Common
   ========================================== */
.section {
  padding: 80px 0;
}
.section-gray {
  background: var(--bg-gray);
}
.section-green {
  background: var(--primary-bg);
}
.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.section-title p {
  font-size: 16px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}
.section-title .tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(16,185,129,0.1);
  border-radius: 9999px;
  font-size: 13px;
  color: var(--primary-dark);
  font-weight: 500;
  margin-bottom: 12px;
}

/* ==========================================
   Stats Bar
   ========================================== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: -40px;
  position: relative;
  z-index: 10;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-lighter);
}

/* ==========================================
   Feature Cards
   ========================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid transparent;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-lighter);
}
.feature-card .icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 28px;
}
.feature-card .icon.green { background: rgba(16,185,129,0.1); color: var(--primary); }
.feature-card .icon.blue { background: rgba(59,130,246,0.1); color: #3b82f6; }
.feature-card .icon.orange { background: rgba(255,140,66,0.1); color: var(--accent); }
.feature-card .icon.purple { background: rgba(99,102,241,0.1); color: #6366f1; }
.feature-card .icon.pink { background: rgba(236,72,153,0.1); color: #ec4899; }
.feature-card .icon.yellow { background: rgba(245,158,11,0.1); color: #f59e0b; }
.feature-card .icon.red { background: rgba(239,68,68,0.1); color: #ef4444; }
.feature-card .icon.teal { background: rgba(20,184,166,0.1); color: #14b8a6; }
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ==========================================
   Feature Detail (Alternating layout)
   ========================================== */
.feature-detail {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 48px 0;
}
.feature-detail + .feature-detail {
  border-top: 1px solid var(--border);
}
.feature-detail.reverse {
  flex-direction: row-reverse;
}
.feature-detail-content {
  flex: 1;
}
.feature-detail-content .tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
}
.feature-detail-content h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.feature-detail-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}
.feature-detail-content ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-detail-content li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
}
.feature-detail-content li svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}
.feature-detail-visual {
  flex: 1;
  max-width: 480px;
}
.feature-detail-visual .visual-box {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--primary-bg);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(16,185,129,0.1);
}

/* ==========================================
   Steps / Process
   ========================================== */
.steps {
  display: flex;
  justify-content: center;
  gap: 0;
  align-items: flex-start;
}
.step {
  flex: 1;
  text-align: center;
  padding: 0 20px;
  position: relative;
}
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -10px;
  width: 40px;
  height: 2px;
  background: var(--primary-lighter);
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 16px;
}
.step h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.step p {
  font-size: 13px;
  color: var(--text-lighter);
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
}
.cta-qr {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
}
.cta-qr .qr-placeholder {
  border-color: rgba(255,255,255,0.3);
  background: #fff;
}
.cta-qr .qr-label {
  color: rgba(255,255,255,0.8);
  margin-top: 12px;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand {
  max-width: 280px;
}
.footer-brand .navbar-brand {
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand .navbar-brand .logo-icon {
  background: var(--primary);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.7;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  padding: 4px 0;
}
.footer-col a:hover {
  color: var(--primary-light);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  opacity: 0.5;
}

/* ==========================================
   About Page
   ========================================== */
.about-hero {
  padding: 120px 0 60px;
  background: var(--primary-bg);
  text-align: center;
}
.about-hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}
.about-hero p {
  font-size: 16px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}
.about-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-light);
}
.about-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin: 32px 0 16px;
}
.about-content p {
  margin-bottom: 16px;
}
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.contact-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.contact-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.contact-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.contact-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}
.contact-card p {
  font-size: 13px;
  color: var(--text-lighter);
}

/* ==========================================
   Tools Page
   ========================================== */
.tool-showcase {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 48px 0;
}
.tool-showcase + .tool-showcase {
  border-top: 1px solid var(--border);
}
.tool-showcase.reverse {
  flex-direction: row-reverse;
}
.tool-showcase-content {
  flex: 1;
}
.tool-showcase-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}
.tool-showcase-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}
.tool-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tool-tag {
  padding: 4px 12px;
  background: var(--primary-bg);
  border-radius: 9999px;
  font-size: 13px;
  color: var(--primary-dark);
}
.tool-showcase-visual {
  flex: 1;
  max-width: 400px;
}
.tool-visual-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.tool-visual-card .big-icon {
  font-size: 72px;
  margin-bottom: 16px;
}
.tool-visual-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.tool-visual-card p {
  font-size: 14px;
  color: var(--text-lighter);
}

/* ==========================================
   Pet Home Page - Special
   ========================================== */
.pet-home-hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 50%, #bfdbfe 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.pet-home-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.pet-home-hero h1 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}
.pet-home-hero h1 .highlight {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pet-home-hero p {
  font-size: 18px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.process-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.process-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.process-card .step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 16px;
}
.process-card .step-num.blue { background: #3b82f6; }
.process-card .step-num.green { background: var(--primary); }
.process-card .step-num.orange { background: var(--accent); }
.process-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.process-card p {
  font-size: 14px;
  color: var(--text-lighter);
  line-height: 1.6;
}

/* ==========================================
   Grid Utility Classes (responsive-aware)
   ========================================== */
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ==========================================
   Responsive Design
   ========================================== */

/* iPad Pro / large tablets (landscape) */
@media (max-width: 1200px) {
  .hero h1 {
    font-size: 40px;
  }
  .hero .container {
    gap: 40px;
  }
}

/* iPad / tablets */
@media (max-width: 1024px) {
  .feature-grid,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero h1 {
    font-size: 36px;
  }
  .pet-home-hero h1 {
    font-size: 34px;
  }
  .feature-detail,
  .tool-showcase {
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .section-title h2 {
    font-size: 28px;
  }
  .cta-section h2 {
    font-size: 28px;
  }
}

/* Small tablets / large phones */
@media (max-width: 768px) {
  /* Navigation */
  .navbar-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    gap: 0;
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--border);
    overflow-y: auto;
  }
  .navbar-nav.open {
    display: flex;
  }
  .navbar-nav a {
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
  }
  .navbar-nav a:last-child {
    border-bottom: none;
  }
  .navbar-nav .btn-primary {
    margin-top: 12px;
    text-align: center;
    justify-content: center;
  }
  .menu-toggle {
    display: flex;
  }

  /* Hero */
  .hero .container {
    flex-direction: column;
    text-align: center;
    gap: 32px;
  }
  .hero {
    padding: 100px 0 60px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero p {
    margin: 0 auto 24px;
    font-size: 16px;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-qr {
    margin-top: 0;
  }
  .qr-placeholder {
    width: 160px;
    height: 160px;
  }
  .pet-home-hero {
    padding: 100px 0 60px;
  }
  .pet-home-hero h1 {
    font-size: 30px;
  }
  .pet-home-hero p {
    font-size: 16px;
  }
  .about-hero {
    padding: 100px 0 48px;
  }
  .about-hero h1 {
    font-size: 30px;
  }

  /* Sections */
  .feature-grid,
  .grid-4,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 0;
  }
  .section {
    padding: 48px 0;
  }
  .section-title {
    margin-bottom: 32px;
  }
  .section-title h2 {
    font-size: 24px;
  }

  /* Feature detail & tool showcase */
  .feature-detail,
  .feature-detail.reverse,
  .tool-showcase,
  .tool-showcase.reverse {
    flex-direction: column;
    gap: 24px;
    padding: 32px 0;
  }
  .feature-detail-visual,
  .tool-showcase-visual {
    max-width: 100%;
  }
  .feature-detail-content h3 {
    font-size: 22px;
  }
  .tool-showcase-content h3 {
    font-size: 22px;
  }
  .tool-tag-list {
    gap: 6px;
  }
  .tool-visual-card {
    padding: 24px;
  }
  .tool-visual-card .big-icon {
    font-size: 56px;
  }

  /* Steps - vertical timeline on mobile */
  .steps {
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 36px;
  }
  .steps::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 28px;
    bottom: 28px;
    width: 2px;
    background: var(--primary-lighter);
    border-radius: 1px;
  }
  .step {
    padding: 16px 0 16px 32px;
    text-align: left;
    position: relative;
  }
  .step-number {
    position: absolute;
    left: -36px;
    top: 8px;
    width: 40px;
    height: 40px;
    font-size: 16px;
    margin: 0;
    z-index: 1;
  }
  .step h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--text);
  }
  .step p {
    font-size: 13px;
    color: var(--text-lighter);
    line-height: 1.5;
  }
  .step:not(:last-child)::after {
    display: none;
  }

  /* CTA */
  .cta-section {
    padding: 48px 0;
  }
  .cta-section h2 {
    font-size: 24px;
  }

  /* Footer */
  .footer {
    padding: 40px 0 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-brand {
    max-width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  /* Process & Contact cards */
  .process-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .contact-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .hero {
    padding: 88px 0 48px;
  }
  .hero h1 {
    font-size: 26px;
  }
  .hero p {
    font-size: 15px;
  }
  .pet-home-hero {
    padding: 88px 0 48px;
  }
  .pet-home-hero h1 {
    font-size: 26px;
  }
  .about-hero h1 {
    font-size: 26px;
  }
  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-card {
    padding: 20px 12px;
  }
  .stat-number {
    font-size: 28px;
  }
  .feature-card {
    padding: 24px 20px;
  }
  .btn-primary,
  .btn-outline {
    padding: 8px 20px;
    font-size: 13px;
  }
  .hero-actions {
    gap: 12px;
  }
  .qr-placeholder {
    width: 140px;
    height: 140px;
  }
  .section {
    padding: 36px 0;
  }
  .section-title h2 {
    font-size: 22px;
  }
  .cta-section h2 {
    font-size: 22px;
  }
  .process-card {
    padding: 28px 20px;
  }
  .contact-card {
    padding: 24px 20px;
  }
}