/* 華仁會計 - Design System */
:root {
  --primary: #E87722;
  --primary-dark: #8B4513;
  --primary-light: #FF8C00;
  --secondary: #B87333;
  --secondary-light: #CD853F;
  --accent: #FFC107;
  --accent-light: #FFD700;
  --bg: #FFFFFF;
  --bg-white: #ffffff;
  --text: #1A1A1A;
  --text-muted: #5a5a5a;
  --border: #e8e0d8;
  --shadow: 0 4px 24px rgba(139, 69, 19, 0.08);
  --shadow-lg: 0 12px 48px rgba(139, 69, 19, 0.12);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 120px;
  --font-sans: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  --font-display: 'Noto Serif TC', 'Songti TC', serif;
  --container: 1200px;
  --container-narrow: 900px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: var(--container-narrow); }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary);
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }

p { margin-bottom: 1rem; }
.lead { font-size: 1.125rem; color: var(--text-muted); }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.page-faq .section-label {
  font-size: 1.8rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 48px;
  font-family: var(--font-sans);
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn--primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn--accent {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}
.btn--accent:hover {
  background: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}

.btn--whatsapp {
  background: #25D366;
  color: #fff;
  border-color: #25D366;
}
.btn--whatsapp:hover {
  background: #1da851;
  border-color: #1da851;
  color: #fff;
}

.btn--sm { padding: 10px 20px; font-size: 0.875rem; min-height: 44px; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-img {
  width: auto;
  height: 52px;
  max-width: 220px;
  object-fit: contain;
  background: none;
  border-radius: 0;
  flex-shrink: 0;
}

.site-header .logo-img {
  height: 104px;
  max-width: 440px;
}

.logo span { display: none; }

.main-nav { display: flex; align-items: center; gap: 8px; }

.main-nav a {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: rgba(18, 52, 86, 0.06);
}

.nav-cta { margin-left: 12px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

.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 */
@media (max-width: 1024px) {
  .hamburger { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }

  .main-nav.open { transform: translateX(0); }

  .main-nav a {
    padding: 16px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta { margin: 16px 0 0; }
  .nav-cta .btn { width: 100%; }
}

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--secondary) 100%);
  margin-top: var(--header-h);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?w=1920&q=80') center/cover no-repeat;
  opacity: 0.12;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 80px 24px;
  margin: 0 auto;
  text-align: center;
  width: 100%;
}

.hero h1 { color: #fff; margin-bottom: 1.25rem; }
.hero .lead { color: rgba(255,255,255,0.85); margin-bottom: 2rem; font-size: 1.2rem; }

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-accent-line {
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 1.5rem;
  border-radius: 2px;
}

/* Page Hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: calc(var(--header-h) + 60px) 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(200,169,107,0.15), transparent 50%);
}

.page-hero h1 { color: #fff; position: relative; }
.page-hero .lead { color: rgba(255,255,255,0.8); position: relative; margin-bottom: 0; }

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 8px; }

/* Sections */
.section { padding: 80px 0; }
.section--alt { background: var(--bg-white); }
.section--dark {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}
.section--dark h2, .section--dark h3 { color: #fff; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header p { color: var(--text-muted); }

/* Advantage Cards */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--bg-white);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  border-top: 3px solid transparent;
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--accent);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(18,52,86,0.08), rgba(30,77,64,0.08));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.advantage-card h3 { margin-bottom: 0.75rem; font-size: 1.1rem; }
.advantage-card p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-img img { transform: scale(1.05); }

.service-card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card-body h3 { margin-bottom: 0.75rem; }
.service-card-body p { color: var(--text-muted); font-size: 0.9rem; flex: 1; margin-bottom: 1.25rem; }

.service-card-link {
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
}

.service-card-link::after { content: '→'; transition: transform var(--transition); }
.service-card:hover .service-card-link::after { transform: translateX(4px); }

/* Why Choose Us */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.why-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.why-image img { width: 100%; height: 400px; object-fit: cover; }

.why-list { list-style: none; }

.why-list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.why-list li:last-child { border-bottom: none; }

.why-check {
  width: 28px;
  height: 28px;
  background: var(--secondary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.8rem;
}

.why-list strong { display: block; color: var(--primary); margin-bottom: 2px; }
.why-list span { font-size: 0.9rem; color: var(--text-muted); }

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

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-sans);
  min-height: 48px;
}

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.open .faq-answer { max-height: 500px; }

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 80px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200,169,107,0.2), transparent 70%);
  border-radius: 50%;
}

.cta-section h2 { color: #fff; margin-bottom: 1rem; position: relative; }
.cta-section p { color: rgba(255,255,255,0.8); margin-bottom: 2rem; position: relative; }

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; }

.footer-col h4 {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: var(--font-sans);
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer-col a:hover { color: var(--accent); }

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.9rem;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-compliance {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

.footer-compliance p { margin: 0 0 8px; }
.footer-compliance p:last-child { margin-bottom: 0; }

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  color: #fff;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
  color: #fff;
}

.whatsapp-float svg { width: 32px; height: 32px; }

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-item:last-child { border-bottom: none; }

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(18,52,86,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-form {
  background: var(--bg-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  min-height: 48px;
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(18,52,86,0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 48px;
  box-shadow: var(--shadow);
}

.map-container iframe { width: 100%; height: 400px; border: 0; display: block; }

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.blog-card:hover { transform: translateY(-4px); }

.blog-card a {
  color: inherit;
  text-decoration: none;
  display: block;
}

.blog-card a:hover { color: inherit; }

.blog-card-img { height: 200px; overflow: hidden; }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; }

.blog-card-body { padding: 24px; }

.blog-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.blog-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.blog-card p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 12px; }
.blog-card time { font-size: 0.8rem; color: var(--text-muted); }

.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
  justify-content: center;
}

.blog-cat-btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-white);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
  min-height: 44px;
}

.blog-cat-btn:hover,
.blog-cat-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Article */
.article-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-content h2 { margin: 2rem 0 1rem; }
.article-content h3 { margin: 1.5rem 0 0.75rem; }
.article-content ul, .article-content ol { margin: 1rem 0 1rem 1.5rem; }
.article-content li { margin-bottom: 0.5rem; }

.article-meta {
  display: flex;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.article-featured {
  max-width: var(--container-narrow);
  margin: 0 auto 2rem;
  padding: 0 24px;
}

.article-featured img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Service Detail */
.service-detail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  padding: 48px 0 80px;
}

.service-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  align-self: start;
}

.sidebar-card {
  background: var(--bg-white);
  padding: 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.sidebar-card h4 { margin-bottom: 16px; font-size: 1rem; }

.sidebar-links { list-style: none; }
.sidebar-links li { margin-bottom: 8px; }
.sidebar-links a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
  transition: all var(--transition);
}
.sidebar-links a:hover,
.sidebar-links a.active {
  background: rgba(18,52,86,0.06);
  color: var(--primary);
}

.feature-list { list-style: none; margin: 1.5rem 0; }

.feature-list li {
  padding: 12px 0 12px 32px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 700;
}

/* About */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.value-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.value-card h3 { color: var(--accent); font-size: 1.2rem; margin-bottom: 8px; }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.audience-card {
  padding: 24px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.15);
}

.audience-card h4 { color: var(--accent); margin-bottom: 8px; font-size: 1rem; }
.audience-card p { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin: 0; }

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 96px; }
  .site-header .logo-img {
    height: 72px;
    max-width: 280px;
  }
  .section { padding: 60px 0; }
  .advantages-grid,
  .services-grid,
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .values-grid,
  .audience-grid { grid-template-columns: 1fr; }
  .hero { min-height: 70vh; }
  .hero-content { padding: 60px 24px; }
}