/* ==========================================================================
   ZENACA HEALTHCARE - Core Design System & Stylesheet
   Positioning: B2B Diagnostic Laboratory Solutions Partner
   Geographies: Mohali, Chandigarh, Punjab, Haryana, Himachal Pradesh
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --color-primary-dark: #0a2540;
  --color-primary-navy: #0f2f57;
  --color-primary-blue: #0052cc;
  --color-primary-hover: #0747a6;
  --color-accent-teal: #00a3bf;
  --color-accent-teal-light: #e6f7fa;
  --color-accent-green: #0d9488;
  --color-accent-green-light: #f0fdfa;

  /* Neutral Shades */
  --color-bg-body: #ffffff;
  --color-bg-subtle: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-text-white: #ffffff;

  /* Badges & Accents */
  --badge-blue-bg: #eff6ff;
  --badge-blue-txt: #1d4ed8;
  --badge-green-bg: #ecfdf5;
  --badge-green-txt: #047857;
  --badge-amber-bg: #fffbeb;
  --badge-amber-txt: #b45309;

  /* Typography */
  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevation / Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s ease-in-out;
  --transition-normal: 0.28s ease-in-out;
  --transition-slow: 0.4s ease-in-out;

  /* Layout */
  --container-max: 1240px;
  --container-wide: 1360px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --------------------------------------------------------------------------
   Typography Hierarchy
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 1.2rem;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

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

p.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #334155;
}

.text-navy { color: var(--color-primary-dark) !important; }
.text-blue { color: var(--color-primary-blue) !important; }
.text-teal { color: var(--color-accent-teal) !important; }
.text-white { color: var(--color-text-white) !important; }
.text-muted { color: var(--color-text-muted) !important; }

/* --------------------------------------------------------------------------
   Container & Section Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  position: relative;
}

.section-sm {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

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

.section-bg-dark {
  background: linear-gradient(135deg, #f1f5f9 0%, #eef4fc 100%);
  color: var(--color-text-main);
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.section-bg-dark p {
  color: #475569;
}

.section-bg-dark .lead {
  color: #475569 !important;
}

.section-bg-dark h1,
.section-bg-dark h2,
.section-bg-dark h3,
.section-bg-dark h4 {
  color: #0f2f57;
}

.section-header {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header.text-left {
  margin-left: 0;
  text-align: left;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary-blue);
  background: var(--badge-blue-bg);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-bg-dark .section-eyebrow {
  background: #e0f2fe;
  color: #0052cc;
}

.section-bg-dark .btn-outline-white {
  background: #ffffff;
  color: #0052cc;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-xs);
}

.section-bg-dark .btn-outline-white:hover {
  background: #0052cc;
  color: #ffffff;
  border-color: #0052cc;
}

/* --------------------------------------------------------------------------
   Buttons & CTAs
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary-blue);
  color: #ffffff;
  border-color: var(--color-primary-blue);
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 82, 204, 0.35);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-primary-dark);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--color-bg-subtle);
  border-color: var(--color-border-hover);
  color: var(--color-primary-blue);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  border-color: #25d366;
}

.btn-whatsapp:hover {
  background-color: #20bd5a;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1.1rem 2.2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-icon {
  width: 1.2rem;
  height: 1.2rem;
}

/* --------------------------------------------------------------------------
   Header & Sticky Navigation
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--color-primary-dark);
  color: #94a3b8;
  font-size: 0.825rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.top-bar-contacts {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #cbd5e1;
}

.top-bar-link:hover {
  color: #ffffff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1;
}

.brand-logo-mark {
  width: 40px;
  height: 40px;
  background-color: #ffffff;
  background-image: url('../images/zenaca-logo.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: 24px auto;
  border: 1.5px solid #dcfce7;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(35, 136, 77, 0.12);
  flex-shrink: 0;
  text-indent: -9999px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.brand-logo:hover .brand-logo-mark {
  transform: translateY(-1px);
  border-color: #23884d;
  box-shadow: 0 4px 14px rgba(35, 136, 77, 0.22);
}

.site-footer .brand-logo-mark,
.footer-col .brand-logo-mark {
  background-color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.brand-logo > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.15;
}

.brand-logo > div > div,
.brand-title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.brand-tagline-sub {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-accent-teal);
  text-transform: uppercase;
  white-space: nowrap;
  margin-top: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.35rem;
  flex-shrink: 1;
}

.nav-item {
  position: relative;
  flex-shrink: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  border-radius: var(--radius-sm);
  white-space: nowrap; /* Ensures 'About Us' and multi-word links never roll over to 2 lines */
  transition: all var(--transition-fast);
}

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

/* Nav Dropdown */
.nav-link svg {
  transition: transform 0.2s ease;
  vertical-align: middle;
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 275px;
  background: #ffffff;
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: 12px;
  box-shadow: 0 14px 35px -6px rgba(10, 37, 64, 0.16), 0 0 0 1px rgba(10, 37, 64, 0.04);
  padding: 0.65rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1010;
}

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

.dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-main);
  border-radius: 8px;
  transition: all 0.15s ease;
  text-decoration: none;
}

.dropdown-link:hover {
  background-color: #f1f5f9;
  color: var(--color-primary-blue);
  transform: translateX(3px);
}

.dropdown-link-badge {
  font-size: 0.68rem;
  font-weight: 700;
  background: #eff6ff;
  color: #0052cc;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  border: 1px solid #bfdbfe;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary-dark);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 380px;
  height: 100vh;
  background: #ffffff;
  z-index: 2000;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
  padding: 1.5rem;
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.drawer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.drawer-nav-link {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  padding: 0.6rem 0.5rem;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Trust Strip
   -------------------------------------------------------------------------- */
.trust-strip {
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 2.25rem 0;
}

.trust-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.5rem;
}

.trust-icon-wrap {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--color-accent-teal-light);
  color: var(--color-accent-teal);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust-card h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--color-primary-dark);
}

.trust-card p {
  font-size: 0.85rem;
  margin-bottom: 0;
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Lifecycle Process: Understand -> Recommend -> Install -> Validate -> Support -> Sustain
   -------------------------------------------------------------------------- */
.process-stepper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 3rem 0;
  position: relative;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  position: relative;
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-blue);
  box-shadow: var(--shadow-lg);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--badge-blue-bg);
  color: var(--color-primary-blue);
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.step-card h4 {
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Interactive Global Modal (Quote Request / Lab Planning)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.65);
  backdrop-filter: blur(4px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: #ffffff;
  width: 100%;
  max-width: 680px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem 2rem;
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin-bottom: 0.25rem;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
}

/* --------------------------------------------------------------------------
   Forms & Controls
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.col-span-2 {
  grid-column: span 2;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.925rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Floating Mobile Action Bar (WhatsApp & Direct Call)
   -------------------------------------------------------------------------- */
.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  padding: 0.6rem 1rem;
  z-index: 1500;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
}

.mobile-action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.floating-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 1400;
  transition: transform var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: scale(1.08);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  padding-top: 4.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr repeat(3, 1fr) 1.4fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.885rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.885rem;
  color: #94a3b8;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--color-accent-teal);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.75rem 0;
  font-size: 0.825rem;
  color: #64748b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: #64748b;
}

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

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1280px) {
  .nav-link {
    padding: 0.45rem 0.5rem;
    font-size: 0.83rem;
    gap: 0.2rem;
  }
  .brand-logo-mark {
    width: 36px;
    height: 36px;
    background-size: 21px auto;
  }
  .brand-logo > div > div,
  .brand-title {
    font-size: 1.12rem;
  }
  .brand-tagline-sub {
    font-size: 0.6rem;
  }
}

@media (max-width: 1140px) {
  .nav-menu,
  .nav-actions .btn-quote-desktop {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.col-span-2 {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }

  .section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .mobile-action-bar {
    display: block;
  }

  .floating-whatsapp {
    bottom: 4.8rem;
  }

  body {
    padding-bottom: 60px; /* Offset for mobile action bar */
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .navbar {
    height: 64px;
    gap: 0.5rem;
  }

  .brand-logo {
    gap: 0.5rem;
  }

  .brand-logo-mark {
    width: 34px;
    height: 34px;
    background-size: 20px auto;
    border-radius: 8px;
  }

  .brand-logo > div > div,
  .brand-title {
    font-size: 1.05rem;
  }

  .brand-tagline-sub {
    font-size: 0.56rem;
    letter-spacing: 0.02em;
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-icon {
  animation: spin 1s linear infinite;
  display: inline-block;
}