/* ====================================================================
   STYLESHEET TRUNG TÂM - CÔNG TY TNHH XDTH SƠN NAM HẢI
   Chuyên gia Chống Thấm & Sơn Trang Trí Nghệ Thuật - Bảo Hành 10 Năm
   ==================================================================== */

:root {
  --primary: #be123c;        /* Đỏ hồng Ruby sang trọng - Chuẩn phong thủy Mệnh Hỏa */
  --primary-dark: #881337;   /* Đỏ hồng sẫm / Deep Burgundy */
  --primary-light: #e11d48;  /* Hồng ngọc tươi / Rose Red */
  --accent: #f59e0b;         /* Vàng kim lửa - Hỏa sinh Thổ tài lộc, bảo hành 10 năm */
  --accent-hover: #d97706;
  --accent-red: #e11d48;     /* Đỏ rực hotline khẩn cấp */
  --dark: #0f172a;           /* Chữ đậm chuẩn Slate */
  --dark-light: #2a0b12;     /* Nền tối ánh đỏ hồng mận */
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-400: #94a3b8;
  --gray-200: #fecdd3;       /* Viền hồng nhạt tinh tế */
  --gray-100: #fff1f2;       /* Nền thẻ hồng phớt */
  --gray-50: #fdfafb;        /* Nền chính sáng tinh khôi */
  --white: #ffffff;
  --success: #10b981;
  
  --font-base: 'Be Vietnam Pro', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(190, 18, 60, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(190, 18, 60, 0.16), 0 8px 10px -6px rgba(190, 18, 60, 0.08);
  --shadow-xl: 0 20px 30px -10px rgba(190, 18, 60, 0.25);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-base);
  color: var(--dark);
  background-color: var(--gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Topbar */
.topbar {
  background: var(--dark-light);
  color: #cbd5e1;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-item svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.topbar-badge {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.78rem;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Navbar & Header Failsafe Anti-Wrap */
.site-header {
  position: sticky;
  top: 0;
  background: var(--white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  width: 100%;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  white-space: nowrap !important;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0 !important;
}

.site-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 5px rgba(190, 18, 60, 0.2));
  transition: var(--transition);
}

.site-logo:hover .site-logo-img {
  transform: scale(1.06);
}

.site-logo-text {
  display: flex;
  flex-direction: column;
}

.site-logo-brand {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.3px;
  color: var(--primary);
  line-height: 1.15;
}

.site-logo-sub {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-red);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 auto 0 15px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 11px;
  font-size: 0.91rem;
  font-weight: 600;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
}

.nav-link:hover, .nav-item.active .nav-link {
  color: var(--primary);
  background: rgba(190, 18, 60, 0.08);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 250px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  z-index: 1010;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-700);
  white-space: normal;
}

.dropdown-link:hover {
  background: var(--gray-100);
  color: var(--primary-light);
  padding-left: 22px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0 !important;
}

.btn-hotline {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: var(--white);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
}

.btn-hotline:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(220, 38, 38, 0.45);
}

.btn-quote {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--dark);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.btn-quote:hover {
  background: var(--accent-hover);
  color: var(--white);
  transform: translateY(-2px);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: 6px;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #701026 0%, #9f1239 50%, #be123c 100%);
  color: var(--white);
  padding: 85px 0 95px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 45px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fde047;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: #fde047;
}

.hero-desc {
  font-size: 1.12rem;
  line-height: 1.7;
  color: #e0f2fe;
  margin-bottom: 30px;
}

.hero-stats-row {
  display: flex;
  gap: 30px;
  margin-bottom: 35px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item h3 {
  font-size: 2.1rem;
  font-weight: 800;
  color: #fde047;
  line-height: 1;
}

.stat-item p {
  font-size: 0.85rem;
  color: #bae6fd;
  margin-top: 5px;
}

.hero-cta-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  background: var(--accent);
  color: var(--dark);
  font-weight: 800;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
}

.btn-hero-primary:hover {
  background: #fbbf24;
  transform: translateY(-2px);
}

.btn-hero-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-weight: 700;
  padding: 14px 26px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* Hero Quick Form Card */
.hero-card-form {
  background: var(--white);
  color: var(--dark);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-top: 5px solid var(--accent);
}

.hero-card-form h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
  text-align: center;
}

.hero-card-form p {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-bottom: 20px;
  text-align: center;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(12, 74, 110, 0.3);
  transition: var(--transition);
}

.btn-submit:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  transform: translateY(-2px);
}

/* Section Common */
.section {
  padding: 75px 0;
}

.section-bg {
  background: var(--white);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-hover);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* Cam Kết Vàng 5 Điểm */
.commitments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

.commit-card {
  background: var(--white);
  padding: 24px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-bottom: 4px solid var(--primary-light);
  transition: var(--transition);
}

.commit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--accent);
}

.commit-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(12, 74, 110, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.commit-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.commit-card p {
  font-size: 0.85rem;
  color: var(--gray-600);
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.service-card-thumb {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: #cbd5e1;
}

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

.service-card:hover .service-card-thumb img {
  transform: scale(1.08);
}

.service-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.service-card-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

.service-features {
  margin-bottom: 18px;
  border-top: 1px dashed var(--gray-200);
  padding-top: 14px;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--gray-700);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li svg {
  color: var(--success);
  flex-shrink: 0;
}

.btn-service-detail {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 16px;
  background: var(--gray-100);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.btn-service-detail:hover {
  background: var(--primary);
  color: var(--white);
}

/* Before / After Comparison Showcase */
.before-after-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.ba-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.ba-images-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}

.ba-side {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.ba-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-tag {
  position: absolute;
  bottom: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
}

.ba-tag.before {
  background: rgba(220, 38, 38, 0.85);
}

.ba-tag.after {
  background: rgba(16, 185, 129, 0.9);
}

.ba-content {
  padding: 18px;
}

.ba-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.ba-meta {
  font-size: 0.82rem;
  color: var(--gray-600);
  margin-bottom: 10px;
}

/* Calculator Quick Section */
.calc-quick-box {
  background: linear-gradient(135deg, #701026 0%, #9f1239 50%, #be123c 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 45px 35px;
  box-shadow: var(--shadow-xl);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 35px;
  align-items: center;
}

.calc-result-box {
  background: var(--white);
  color: var(--dark);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.calc-price-display {
  font-size: 2.2rem;
  font-weight: 800;
  color: #dc2626;
  margin: 10px 0;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.testi-card {
  background: var(--white);
  padding: 26px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.testi-stars {
  color: #f59e0b;
  margin-bottom: 12px;
}

.testi-quote {
  font-size: 0.92rem;
  color: var(--gray-700);
  line-height: 1.65;
  margin-bottom: 18px;
  font-style: italic;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gray-200);
  overflow: hidden;
}

.testi-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
}

.testi-loc {
  font-size: 0.8rem;
  color: var(--gray-600);
}

/* Footer */
.site-footer {
  background: #1a080d;
  color: #94a3b8;
  padding: 65px 0 25px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 45px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background: var(--accent);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #cbd5e1;
}

.footer-links a:hover {
  color: #fde047;
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  color: #cbd5e1;
}

.footer-contact svg {
  color: var(--accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  font-size: 0.82rem;
}

/* Floating Action Bar */
.floating-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  position: relative;
  transition: var(--transition);
}

.float-btn.zalo {
  background: #0068ff;
}

.float-btn.messenger {
  background: linear-gradient(135deg, #0084ff 0%, #0062e0 100%);
}

.float-btn.calc {
  background: var(--accent);
  color: var(--dark);
}

.float-btn.hotline {
  background: #dc2626;
}

.float-btn:hover {
  transform: scale(1.1);
}

/* Pulse Ring on Hotline Float */
.pulse-ring {
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border: 2px solid #dc2626;
  border-radius: 50%;
  animation: pulse-ring 1.8s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 0.3; }
  100% { transform: scale(1.45); opacity: 0; }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 290px;
  height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  padding: 24px;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Responsive Media Queries */
@media (max-width: 1260px) {
  .nav-menu {
    gap: 0;
    margin: 0 auto 0 8px;
  }
  .nav-link {
    padding: 7px 8px;
    font-size: 0.86rem;
  }
  .site-logo-brand {
    font-size: 1.15rem;
  }
  .site-logo-sub {
    font-size: 0.65rem;
  }
  .btn-quote, .btn-hotline {
    padding: 8px 12px;
    font-size: 0.85rem;
    gap: 5px;
  }
}

@media (max-width: 1080px) {
  .nav-menu, .header-actions .btn-quote {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    display: none;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-stats-row {
    flex-direction: column;
    gap: 15px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .floating-bar {
    bottom: 16px;
    right: 16px;
  }
  .float-btn {
    width: 46px;
    height: 46px;
  }
}