/* ==========================================================================
   바른하수구 가정집전담팀 (Site 1: 춘천 메인 & 남산면 기준 60km 가정집 24시 안심 배관케어)
   Single Tone & Manner (3-Layer Background + Single Accent #3D5A6C):
   - Main Page BG: #FAF8F5 (Warm Ivory)
   - Alternate Section BG: #F3F0EA (Soft Sand)
   - Card BG: #FFFFFF + Border: 1px solid #E5E0D8
   - Single Accent Color: #3D5A6C (Dusty Slate Blue)
   - Secondary Button: #F3F0EA BG + #2B3035 Text + #D6CFC4 Border
   DOM Prefix Rule: ALL classes prefixed with .bh-
   ========================================================================== */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

:root {
  --bh-bg-main: #FAF8F5;
  --bh-bg-sub: #F3F0EA;
  --bh-bg-card: #FFFFFF;
  --bh-text-main: #2B3035;
  --bh-text-sub: #545C64;
  --bh-text-muted: #767E87;
  --bh-primary: #3D5A6C;
  --bh-primary-hover: #2F4756;
  --bh-primary-deep: #243642;
  --bh-primary-soft: #EDF1F4;
  --bh-border: #E5E0D8;
  --bh-border-strong: #D6CFC4;
  --bh-radius-sm: 8px;
  --bh-radius-md: 12px;
  --bh-radius-lg: 16px;
  --bh-shadow-sm: 0 2px 8px rgba(43, 48, 53, 0.04);
  --bh-shadow-md: 0 8px 22px -6px rgba(43, 48, 53, 0.07);
  --bh-max-width: 1200px;
}

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

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

body.bh-body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', '맑은 고딕', sans-serif;
  color: var(--bh-text-main);
  background-color: var(--bh-bg-main);
  line-height: 1.62;
  word-break: keep-all;
  overflow-x: hidden;
  padding-bottom: 80px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.18s ease;
}

ul, ol {
  list-style: none;
}

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

/* Layout Containers */
.bh-container {
  width: 100%;
  max-width: var(--bh-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Top Status Bar */
.bh-topbar {
  background-color: var(--bh-primary-deep);
  color: #F3F0EA;
  font-size: 0.84rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bh-topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
  gap: 12px;
}

.bh-topbar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bh-pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #9BB3C2;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.bh-topbar-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.bh-topbar-links a {
  color: #F3F0EA;
}

.bh-topbar-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* Header & 1-Line Navigation */
.bh-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(250, 248, 245, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--bh-border);
}

.bh-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  white-space: nowrap;
  height: 74px;
  gap: 16px;
}

.bh-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.28rem;
  color: var(--bh-text-main);
  letter-spacing: -0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}

.bh-logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background-color: var(--bh-primary);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.96rem;
  font-weight: 800;
  flex-shrink: 0;
}

.bh-logo-sub {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--bh-text-sub);
  letter-spacing: -0.01em;
  margin-top: -2px;
}

.bh-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  white-space: nowrap;
  gap: 6px;
  flex: 1 1 auto;
}

.bh-nav-link {
  padding: 8px 13px;
  border-radius: var(--bh-radius-sm);
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--bh-text-sub);
  white-space: nowrap;
  flex-shrink: 0;
}

.bh-nav-link:hover,
.bh-nav-link.bh-active {
  color: var(--bh-primary);
  background-color: var(--bh-bg-sub);
}

.bh-header-cta {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Unified Buttons (Single Accent #3D5A6C + Secondary #F3F0EA) */
.bh-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  border-radius: var(--bh-radius-sm);
  font-weight: 800;
  font-size: 0.94rem;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.15s ease;
  text-align: center;
}

.bh-btn:hover {
  transform: translateY(-1px);
}

/* Primary Accent Button (#3D5A6C) */
.bh-btn-tel,
.bh-btn-slate {
  background-color: var(--bh-primary);
  color: #FFFFFF;
  border-color: var(--bh-primary);
}

.bh-btn-tel:hover,
.bh-btn-slate:hover {
  background-color: var(--bh-primary-hover);
  border-color: var(--bh-primary-hover);
}

/* Secondary Button (#F3F0EA BG + #2B3035 Text + #D6CFC4 Border) */
.bh-btn-sms,
.bh-btn-outline {
  background-color: var(--bh-bg-sub);
  color: var(--bh-text-main);
  border: 1px solid var(--bh-border-strong);
}

.bh-btn-sms:hover,
.bh-btn-outline:hover {
  background-color: #E8E3DA;
  border-color: var(--bh-primary);
  color: var(--bh-primary-deep);
}

/* White Button (for dark/slate banners) */
.bh-btn-white {
  background-color: #FFFFFF;
  color: var(--bh-text-main);
  border: 1px solid var(--bh-border);
}

.bh-btn-white:hover {
  background-color: var(--bh-bg-sub);
}

.bh-btn-lg {
  padding: 14px 22px;
  font-size: 0.98rem;
  border-radius: var(--bh-radius-md);
}

.bh-menu-toggle {
  display: none;
  background: var(--bh-bg-sub);
  border: 1px solid var(--bh-border-strong);
  color: var(--bh-text-main);
  padding: 8px 12px;
  border-radius: var(--bh-radius-sm);
  font-weight: 800;
  font-size: 0.88rem;
  white-space: nowrap;
  cursor: pointer;
}

/* Symmetrical Hero Section */
.bh-hero {
  background-color: var(--bh-bg-main);
  padding: 52px 0 56px;
  border-bottom: 1px solid var(--bh-border);
}

.bh-hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 36px;
  align-items: stretch;
}

.bh-hero-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bh-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.bh-badge,
.bh-badge-accent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  background-color: var(--bh-bg-sub);
  color: var(--bh-primary);
  border: 1px solid var(--bh-border-strong);
  white-space: nowrap;
}

.bh-hero-title {
  font-size: 2.2rem;
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--bh-text-main);
  margin-bottom: 14px;
}

.bh-hero-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--bh-text-sub);
  margin-bottom: 20px;
  font-weight: 500;
}

.bh-hero-promises {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}

.bh-hero-promise-item {
  background-color: var(--bh-bg-card);
  border: 1px solid var(--bh-border);
  border-radius: var(--bh-radius-sm);
  padding: 11px 14px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--bh-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bh-check-icon {
  color: var(--bh-primary);
  font-weight: 900;
  flex-shrink: 0;
}

.bh-hero-cta-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.bh-hero-visual {
  display: flex;
  align-items: stretch;
}

.bh-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--bh-radius-lg);
  border: 1px solid var(--bh-border);
  background-color: var(--bh-bg-card);
}

/* Subpage Hero Header */
.bh-subhero {
  background-color: var(--bh-bg-sub);
  color: var(--bh-text-main);
  padding: 48px 0;
  border-bottom: 1px solid var(--bh-border);
}

.bh-subhero-inner {
  max-width: 880px;
}

.bh-subhero-title {
  font-size: 2.05rem;
  font-weight: 900;
  line-height: 1.32;
  color: var(--bh-text-main);
  margin: 14px 0 12px;
  letter-spacing: -0.03em;
}

.bh-subhero-desc {
  font-size: 1rem;
  color: var(--bh-text-sub);
  margin-bottom: 22px;
  line-height: 1.62;
}

.bh-subhero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Section Common (3-Layer Alternation) */
.bh-section {
  padding: 64px 0;
  background-color: var(--bh-bg-main);
}

.bh-section-alt,
.bh-section-blue {
  background-color: var(--bh-bg-sub);
  border-top: 1px solid var(--bh-border);
  border-bottom: 1px solid var(--bh-border);
}

.bh-sec-header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 38px;
}

.bh-sec-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--bh-primary);
  background-color: var(--bh-bg-card);
  border: 1px solid var(--bh-border-strong);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.bh-sec-title {
  font-size: 1.78rem;
  font-weight: 900;
  color: var(--bh-text-main);
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bh-sec-subtitle {
  font-size: 0.98rem;
  color: var(--bh-text-sub);
}

/* Strict Equal-Height Grid Helpers */
.bh-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.bh-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.bh-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

/* Cards: Strict Equal Height & Internal Row Alignment */
.bh-card {
  height: 100%;
  background-color: var(--bh-bg-card);
  border: 1px solid var(--bh-border);
  border-radius: var(--bh-radius-md);
  padding: 24px 22px;
  box-shadow: var(--bh-shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.bh-card:hover {
  border-color: var(--bh-primary);
  box-shadow: var(--bh-shadow-md);
}

.bh-card-top {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}

.bh-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--bh-bg-sub);
  color: var(--bh-primary);
  border: 1px solid var(--bh-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.98rem;
  font-weight: 900;
  margin-bottom: 14px;
  flex-shrink: 0;
}

.bh-card-title {
  font-size: 1.14rem;
  font-weight: 800;
  color: var(--bh-text-main);
  line-height: 1.35;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bh-card-text {
  font-size: 0.93rem;
  line-height: 1.58;
  color: var(--bh-text-sub);
  margin-bottom: 16px;
}

.bh-card-img {
  border-radius: var(--bh-radius-sm);
  margin-bottom: 14px;
  border: 1px solid var(--bh-border);
  overflow: hidden;
  background-color: var(--bh-bg-sub);
  aspect-ratio: 3 / 2;
}

.bh-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Case Study Card Metadata & Tags */
.bh-case-meta {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  overflow: hidden;
}

.bh-case-tag,
.bh-case-tag-accent {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  background-color: var(--bh-bg-sub);
  color: var(--bh-primary);
  border: 1px solid var(--bh-border);
  white-space: nowrap;
  width: fit-content;
}

/* Interactive 30-Second Symptom Checker */
.bh-diag-wrap {
  background-color: var(--bh-bg-card);
  border: 1px solid var(--bh-border);
  border-radius: var(--bh-radius-lg);
  padding: 28px;
  box-shadow: var(--bh-shadow-sm);
}

.bh-diag-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
  align-items: stretch;
}

.bh-diag-group-title {
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--bh-text-main);
  margin-bottom: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bh-diag-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.bh-diag-btn {
  padding: 12px 13px;
  border-radius: var(--bh-radius-sm);
  border: 1px solid var(--bh-border);
  background-color: var(--bh-bg-main);
  color: var(--bh-text-sub);
  font-weight: 700;
  font-size: 0.89rem;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.15s ease;
  font-family: inherit;
}

.bh-diag-btn:hover {
  border-color: var(--bh-primary);
  background-color: var(--bh-bg-card);
  color: var(--bh-text-main);
}

.bh-diag-btn.bh-selected {
  border-color: var(--bh-primary);
  background-color: var(--bh-primary);
  color: #FFFFFF;
}

.bh-diag-result {
  background-color: var(--bh-bg-sub);
  border: 1px solid var(--bh-border-strong);
  color: var(--bh-text-main);
  border-radius: var(--bh-radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.bh-diag-result-badge {
  display: inline-block;
  background-color: var(--bh-primary);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 6px;
  width: fit-content;
}

.bh-diag-result-title {
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--bh-text-main);
}

.bh-diag-result-desc {
  font-size: 0.94rem;
  color: var(--bh-text-sub);
}

.bh-diag-action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}

/* Comparison / Table Styling */
.bh-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bh-bg-card);
  border-radius: var(--bh-radius-md);
  border: 1px solid var(--bh-border);
}

.bh-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.bh-table th,
.bh-table td {
  padding: 15px 18px;
  text-align: left;
  border-bottom: 1px solid var(--bh-border);
  font-size: 0.93rem;
  vertical-align: middle;
}

.bh-table th {
  background-color: var(--bh-primary);
  color: #FFFFFF;
  font-weight: 800;
  white-space: nowrap;
}

.bh-table tr:nth-child(even) td {
  background-color: var(--bh-bg-main);
}

.bh-table tr:last-child td {
  border-bottom: none;
}

/* Regional Filter Pills */
.bh-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 30px;
}

.bh-filter-btn {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--bh-border-strong);
  background-color: var(--bh-bg-card);
  color: var(--bh-text-sub);
  font-weight: 800;
  font-size: 0.89rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.16s ease;
  font-family: inherit;
}

.bh-filter-btn:hover,
.bh-filter-btn.bh-active {
  background-color: var(--bh-primary);
  color: #FFFFFF;
  border-color: var(--bh-primary);
}

/* FAQ Accordion */
.bh-faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bh-faq-item {
  background-color: var(--bh-bg-card);
  border: 1px solid var(--bh-border);
  border-radius: var(--bh-radius-md);
  overflow: hidden;
}

.bh-faq-item.bh-open {
  border-color: var(--bh-primary);
}

.bh-faq-q {
  width: 100%;
  padding: 18px 22px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 800;
  color: var(--bh-text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  font-family: inherit;
}

.bh-faq-q:hover {
  color: var(--bh-primary);
}

.bh-faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--bh-bg-sub);
  color: var(--bh-primary);
  border: 1px solid var(--bh-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.bh-faq-item.bh-open .bh-faq-icon {
  transform: rotate(45deg);
  background-color: var(--bh-primary);
  border-color: var(--bh-primary);
  color: #FFFFFF;
}

.bh-faq-a {
  display: none;
  padding: 16px 22px 20px;
  color: var(--bh-text-sub);
  font-size: 0.94rem;
  border-top: 1px solid var(--bh-border);
  background-color: var(--bh-bg-main);
}

.bh-faq-item.bh-open .bh-faq-a {
  display: block;
}

/* Full-width Direct Call/SMS CTA Banner */
.bh-cta-banner {
  background-color: var(--bh-primary);
  color: #FFFFFF;
  padding: 56px 0;
  text-align: center;
}

.bh-cta-banner-title {
  font-size: 1.82rem;
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: -0.025em;
  color: #FFFFFF;
}

.bh-cta-banner-desc {
  font-size: 0.98rem;
  color: #E5ECF0;
  max-width: 720px;
  margin: 0 auto 24px;
}

.bh-cta-banner-btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Footer */
.bh-footer {
  background-color: #24292E;
  color: #B8C0C7;
  padding: 48px 0 36px;
  font-size: 0.88rem;
}

.bh-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 30px;
  border-bottom: 1px solid #353C43;
}

.bh-footer-brand {
  color: #FFFFFF;
  font-size: 1.22rem;
  font-weight: 900;
  margin-bottom: 10px;
  display: inline-block;
}

.bh-footer-heading {
  color: #FFFFFF;
  font-size: 0.96rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.bh-footer-links li {
  margin-bottom: 8px;
}

.bh-footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.bh-footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: #8C959E;
}

/* Sticky Mobile Bottom Bar */
.bh-mobile-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background-color: var(--bh-bg-card);
  border-top: 1px solid var(--bh-border-strong);
  box-shadow: 0 -4px 16px rgba(43, 48, 53, 0.08);
  padding: 10px 14px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
}

.bh-mobile-sticky-inner {
  max-width: 680px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.bh-mobile-sticky .bh-btn {
  min-height: 50px;
  height: 50px;
  padding: 0 12px;
  font-size: 0.94rem;
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .bh-nav {
    gap: 2px;
  }
  .bh-nav-link {
    padding: 8px 9px;
    font-size: 0.88rem;
  }
  .bh-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .bh-hero-grid {
    grid-template-columns: 1fr;
  }
  .bh-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bh-sec-title {
    white-space: normal;
  }
}

@media (max-width: 768px) {
  body.bh-body {
    padding-bottom: calc(82px + env(safe-area-inset-bottom));
  }
  .bh-container {
    padding: 0 16px;
  }
  .bh-topbar-inner {
    justify-content: center;
    white-space: normal;
  }
  .bh-topbar-status {
    white-space: normal;
    word-break: keep-all;
    text-align: center;
    justify-content: center;
    font-size: 0.78rem;
    line-height: 1.4;
  }
  .bh-topbar-links {
    display: none;
  }
  .bh-menu-toggle,
  #bhMenuToggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 8px 14px;
  }
  .bh-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background-color: var(--bh-bg-card);
    flex-direction: column;
    padding: 12px 16px 16px;
    border-bottom: 1px solid var(--bh-border-strong);
    box-shadow: var(--bh-shadow-md);
    align-items: stretch;
    gap: 4px;
  }
  .bh-nav.bh-nav-open {
    display: flex;
  }
  .bh-nav .bh-nav-link {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 12px 16px;
    font-size: 0.98rem;
    white-space: normal;
    word-break: keep-all;
  }
  .bh-header-cta {
    display: none;
  }
  h1,
  h2,
  h3,
  .bh-hero-title,
  .bh-subhero-title,
  .bh-sec-title,
  .bh-card-title,
  .bh-cta-banner-title,
  .bh-badge,
  .bh-badge-accent,
  .bh-btn,
  .bh-hero-promise-item,
  .bh-diag-group-title,
  .bh-diag-btn,
  .bh-case-tag,
  .bh-case-tag-accent {
    white-space: normal;
    word-break: keep-all;
    overflow: visible;
    text-overflow: clip;
  }
  .bh-case-meta {
    flex-wrap: wrap;
    overflow: visible;
  }
  h1,
  .bh-hero-title,
  .bh-subhero-title {
    font-size: 1.65rem;
    line-height: 1.34;
  }
  h2,
  .bh-sec-title,
  .bh-cta-banner-title {
    font-size: 1.4rem;
    line-height: 1.35;
  }
  h3,
  .bh-card-title,
  .bh-diag-result-title {
    font-size: 1.12rem;
    line-height: 1.38;
  }
  .bh-hero {
    padding: 36px 0 42px;
  }
  .bh-subhero {
    padding: 36px 0 40px;
  }
  .bh-section {
    padding: 48px 0;
  }
  .bh-card {
    padding: 20px;
  }
  .bh-diag-wrap {
    padding: 20px;
  }
  .bh-diag-result {
    padding: 20px;
  }
  .bh-hero-promises,
  .bh-hero-cta-btns,
  .bh-diag-steps,
  .bh-diag-options,
  .bh-diag-action-row,
  .bh-grid-2,
  .bh-grid-3,
  .bh-grid-4,
  .bh-footer-grid {
    grid-template-columns: 1fr;
  }
  .bh-subhero-ctas .bh-btn,
  .bh-cta-banner-btns .bh-btn {
    width: 100%;
  }
  .bh-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .bh-mobile-sticky {
    padding: 10px 12px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
  .bh-mobile-sticky-inner {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .bh-mobile-sticky .bh-btn {
    min-height: 50px;
    height: 50px;
    padding: 0 10px;
    font-size: 0.9rem;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  h1,
  .bh-hero-title,
  .bh-subhero-title {
    font-size: 1.55rem;
    line-height: 1.34;
    white-space: normal;
    word-break: keep-all;
  }
  h2,
  .bh-sec-title,
  .bh-cta-banner-title {
    font-size: 1.3rem;
    line-height: 1.36;
    white-space: normal;
    word-break: keep-all;
  }
  h3,
  .bh-card-title,
  .bh-diag-result-title {
    font-size: 1.08rem;
    line-height: 1.38;
    white-space: normal;
    word-break: keep-all;
  }
  .bh-badge,
  .bh-badge-accent,
  .bh-btn {
    white-space: normal;
    word-break: keep-all;
  }
  .bh-card {
    padding: 20px;
  }
  .bh-section {
    padding: 48px 0;
  }
  .bh-mobile-sticky .bh-btn {
    min-height: 50px;
    height: 50px;
    font-size: 0.86rem;
    padding: 0 8px;
  }
}