/* ==========================================================================
   VIHAAN SOLAR — UI COMPONENTS
   Top-Tier Corporate Design: 5 Main Menus, Clean Mega-Menus, Modern Spacing
   ========================================================================== */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--trans-normal);
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background: var(--vhn-orange);
  color: var(--vhn-text-white);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  background: var(--vhn-orange-hover);
  color: var(--vhn-text-white);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(243, 112, 33, 0.45);
}

.btn-secondary {
  background: var(--vhn-blue);
  color: var(--vhn-text-white);
  box-shadow: var(--shadow-blue);
}

.btn-secondary:hover {
  background: var(--vhn-navy);
  color: var(--vhn-text-white);
  transform: translateY(-2px);
}

.btn-navy {
  background: var(--vhn-navy);
  color: var(--vhn-text-white);
}

.btn-navy:hover {
  background: var(--vhn-blue);
  color: var(--vhn-text-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  border-color: var(--vhn-text-white);
  color: var(--vhn-text-white);
}

.btn-outline-white:hover {
  background: var(--vhn-text-white);
  color: var(--vhn-navy);
}

.btn-outline-blue {
  background: transparent;
  border-color: var(--vhn-blue);
  color: var(--vhn-blue);
}

.btn-outline-blue:hover {
  background: var(--vhn-blue);
  color: var(--vhn-text-white);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.08rem;
}

/* --- Top Utility Bar --- */
.top-bar {
  background: var(--vhn-navy-dark);
  color: var(--vhn-text-subtle);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: 0.01em;
}

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

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #CBD5E1;
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  transition: color var(--trans-fast);
}

.top-bar-link:hover {
  color: var(--vhn-orange);
}

.top-bar-social {
  display: flex;
  gap: 12px;
  align-items: center;
}

.top-bar-social a {
  color: #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--trans-fast);
}

.top-bar-social a:hover {
  color: var(--vhn-orange);
}

/* --- Main Header / 5 Main Menus --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 990;
  background: #FFFFFF;
  border-bottom: 1px solid var(--vhn-border);
  transition: all var(--trans-normal);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height var(--trans-normal);
}

.site-header.is-scrolled .nav-container {
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

/* 5 Main Nav Items */
.nav-item {
  position: relative;
}

.nav-item > a {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.94rem;
  letter-spacing: -0.01em;
  color: var(--vhn-navy);
  padding: 10px 16px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--trans-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-item:hover > a,
.nav-item.active > a {
  color: var(--vhn-blue);
  background: var(--vhn-blue-soft);
}

.nav-chevron {
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform var(--trans-fast);
}

.nav-item:hover .nav-chevron {
  transform: rotate(-135deg);
  margin-top: 3px;
}

/* Dropdown Menu Box */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 280px;
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.22s var(--trans-normal);
  z-index: 1000;
  list-style: none;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(6px);
}

.nav-dropdown li a {
  display: flex;
  flex-direction: column;
  padding: 10px 22px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--vhn-navy);
  text-decoration: none;
  transition: all var(--trans-fast);
}

.nav-dropdown li a span.sub-desc {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--vhn-text-muted);
  font-weight: 400;
  margin-top: 2px;
  line-height: 1.4;
}

.nav-dropdown li a:hover {
  background: var(--vhn-blue-soft);
  color: var(--vhn-blue);
  padding-left: 26px;
}

.nav-dropdown li.active a {
  background: var(--vhn-orange-soft);
  color: var(--vhn-orange);
  font-weight: 700;
}

/* Mega Menu (for Solar Solutions) */
.nav-dropdown.mega-menu {
  min-width: 580px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 16px;
  gap: 8px;
}

.nav-dropdown.mega-menu li a {
  border-radius: var(--radius-md);
  padding: 10px 14px;
}

.nav-dropdown.mega-menu li a:hover {
  padding-left: 18px;
}

/* Nav CTA Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.hamburger-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--vhn-navy);
}

/* Mobile Menu Drawer */
.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 340px;
  max-width: 88vw;
  height: 100vh;
  background: #FFFFFF;
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right 0.35s var(--trans-slow);
  overflow-y: auto;
}

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

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(12, 35, 64, 0.6);
  backdrop-filter: blur(4px);
  z-index: 995;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--trans-fast);
}

.mobile-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--vhn-border);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--vhn-border-subtle);
  padding: 6px 0;
}

.mobile-nav-item > a,
.mobile-nav-toggle-btn {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--vhn-navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 10px 6px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.mobile-submenu {
  display: none;
  list-style: none;
  padding: 6px 0 12px 14px;
}

.mobile-nav-item.is-open .mobile-submenu {
  display: block;
}

.mobile-submenu li a {
  display: block;
  padding: 7px 10px;
  font-size: 0.88rem;
  color: var(--vhn-text-muted);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.mobile-submenu li a:hover {
  background: var(--vhn-blue-soft);
  color: var(--vhn-blue);
}

/* --- Trust Counter Strip --- */
.trust-strip {
  background: #FFFFFF;
  border-bottom: 1px solid var(--vhn-border);
  padding: 26px 0;
}

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

.trust-stat-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  border-right: 1px solid var(--vhn-border);
}

.trust-stat-box:last-child {
  border-right: none;
}

.trust-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--vhn-orange-soft);
  color: var(--vhn-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-stat-num {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--vhn-navy);
  line-height: 1;
}

.trust-stat-label {
  font-size: 0.85rem;
  color: var(--vhn-text-muted);
  font-weight: 600;
  margin-top: 4px;
}

/* --- Waaree Experience Center Component --- */
.experience-center-card {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.ec-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
}

.ec-visual-wrap {
  position: relative;
  height: 100%;
  min-height: 440px;
  background: #FAFAFC;
}

.ec-visual-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ec-badge-overlay {
  position: absolute;
  top: 24px;
  left: 24px;
  background: var(--vhn-green);
  color: var(--vhn-text-white);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ec-content {
  padding: 48px;
}

.ec-location-badge {
  display: inline-block;
  background: var(--vhn-orange-soft);
  color: var(--vhn-orange);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.ec-address-box {
  background: #FAFAFC;
  border-left: 4px solid var(--vhn-blue);
  padding: 18px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
  border-top: 1px solid var(--vhn-border);
  border-right: 1px solid var(--vhn-border);
  border-bottom: 1px solid var(--vhn-border);
}

.ec-address-box p {
  color: var(--vhn-navy);
  font-weight: 500;
  margin-bottom: 4px;
}

.ec-contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.ec-contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--vhn-navy);
}

/* --- Solar Calculator Form Component --- */
.calculator-box {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--vhn-border);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}

.calc-grid-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 36px;
  align-items: flex-start;
}

.calc-form-group {
  margin-bottom: 22px;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--vhn-navy);
  margin-bottom: 8px;
}

.calc-input {
  width: 100%;
  padding: 13px 18px;
  border: 1.5px solid var(--vhn-border);
  border-radius: var(--radius-md);
  background: #FAFAFC;
  color: var(--vhn-navy);
  font-weight: 500;
  transition: all var(--trans-fast);
}

.calc-input:focus {
  border-color: var(--vhn-blue);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(14, 100, 184, 0.15);
  outline: none;
}

.calc-range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #CBD5E1;
  outline: none;
  accent-color: var(--vhn-orange);
  cursor: pointer;
  margin-top: 10px;
}

.calc-results-panel {
  background: #0C2340;
  color: var(--vhn-text-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.calc-results-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 18px;
  margin-bottom: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-estimate-tag {
  background: rgba(243, 112, 33, 0.2);
  color: var(--vhn-yellow-light);
  border: 1px solid rgba(255, 179, 0, 0.3);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.calc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.calc-metric-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.calc-metric-val {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--vhn-yellow-light);
  margin-bottom: 2px;
}

.calc-metric-lbl {
  font-size: 0.8rem;
  color: #94A3B8;
}

.calc-disclaimer {
  font-size: 0.78rem;
  color: #94A3B8;
  font-style: italic;
  margin-top: 14px;
  line-height: 1.4;
}

/* --- Project Cards --- */
.project-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--vhn-border);
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--vhn-blue-light);
}

.project-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #FAFAFC;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow);
}

.project-card:hover .project-thumb img {
  transform: scale(1.06);
}

.project-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(12, 35, 64, 0.88);
  backdrop-filter: blur(6px);
  color: var(--vhn-text-white);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.project-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 6px;
  color: var(--vhn-navy);
}

.project-loc {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--vhn-blue);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* --- FAQ Accordion Component --- */
.faq-container {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--trans-fast);
}

.faq-item.is-open {
  border-color: var(--vhn-blue);
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--vhn-navy);
}

.faq-icon-cross {
  font-size: 1.3rem;
  color: var(--vhn-blue);
  transition: transform var(--trans-normal);
}

.faq-item.is-open .faq-icon-cross {
  transform: rotate(45deg);
  color: var(--vhn-orange);
}

.faq-answer-panel {
  display: none;
  padding: 0 24px 22px 24px;
  color: var(--vhn-text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.is-open .faq-answer-panel {
  display: block;
}

/* --- Footer --- */
.site-footer {
  background: var(--vhn-navy-dark);
  color: #94A3B8;
  padding: 80px 0 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-main-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--vhn-text-white);
  margin-bottom: 22px;
  position: relative;
}

.footer-col-title::after {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--vhn-orange);
  margin-top: 8px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  font-family: 'Inter', sans-serif;
  color: #CBD5E1;
  font-size: 0.92rem;
  font-weight: 400;
  line-height: 1.6;
  transition: all var(--trans-fast);
}

.footer-links-list a:hover {
  color: var(--vhn-orange);
  padding-left: 4px;
}

.footer-contact-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  line-height: 1.65;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #CBD5E1;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
}

.footer-social-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--vhn-text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-fast);
}

.footer-social-btn:hover {
  background: var(--vhn-orange);
  color: var(--vhn-text-white);
  transform: translateY(-3px);
}

.footer-bottom-row {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: #64748B;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-family: 'Inter', sans-serif;
  color: #64748B;
  font-size: 0.85rem;
}

.footer-bottom-links a:hover {
  color: #CBD5E1;
}

/* --- Sticky Bottom Mobile Bar --- */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  border-top: 1px solid var(--vhn-border);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
  z-index: 980;
  padding: 8px 12px;
}

.mobile-bar-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 8px;
}

.mobile-bar-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  gap: 4px;
}

.mobile-bar-call {
  background: var(--vhn-blue-soft);
  color: var(--vhn-blue);
}

.mobile-bar-wa {
  background: #E8F8EE;
  color: #128C7E;
}

.mobile-bar-quote {
  background: var(--vhn-orange);
  color: var(--vhn-text-white);
}

/* --- Floating Variant Switcher --- */
.variant-preview-dock {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(12, 35, 64, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-xl);
  z-index: 10000;
}

.dock-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94A3B8;
  padding-right: 8px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.dock-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  color: #CBD5E1;
  text-decoration: none;
  transition: all var(--trans-fast);
  white-space: nowrap;
}

.dock-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--vhn-text-white);
}

.dock-btn.is-active {
  background: var(--vhn-orange);
  color: var(--vhn-text-white);
  box-shadow: 0 2px 10px rgba(243, 112, 33, 0.4);
}

/* --- Quote Modal --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 35, 64, 0.75);
  backdrop-filter: blur(6px);
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s var(--trans-fast);
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--vhn-bg);
  width: 100%;
  max-width: 580px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s var(--trans-slow);
}

.modal-backdrop.is-open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header-bg {
  background: var(--vhn-navy);
  color: var(--vhn-text-white);
  padding: 28px 32px;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #FFFFFF;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.modal-body {
  padding: 32px;
}

.form-success-message {
  text-align: center;
  padding: 30px 10px;
}

.form-success-message .success-icon {
  width: 60px;
  height: 60px;
  background: var(--vhn-green);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px auto;
}

/* Responsive adjustments */
@media (max-width: 1100px) {
  .nav-menu {
    display: none;
  }
  .hamburger-btn {
    display: block;
  }
}

@media (max-width: 1024px) {
  .footer-main-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-grid-layout,
  .ec-grid {
    grid-template-columns: 1fr;
  }
}

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

/* --- Our Clients & Strategic Partners Showcase Section --- */
.clients-partners-section {
  padding: 80px 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--vhn-border);
}

.cp-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px auto;
}

.cp-tabs-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.cp-tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  background: #FAFAFC;
  border: 1.5px solid var(--vhn-border);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--vhn-navy);
  cursor: pointer;
  transition: all var(--trans-fast);
}

.cp-tab-btn.is-active,
.cp-tab-btn:hover {
  background: var(--vhn-navy);
  color: #FFFFFF;
  border-color: var(--vhn-navy);
  box-shadow: var(--shadow-sm);
}

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

.cp-logo-card {
  background: #FFFFFF;
  border: 1.5px solid var(--vhn-border);
  border-radius: 18px;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
  min-height: 150px;
}

.cp-logo-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--vhn-orange);
}

.cp-logo-img-wrap {
  height: 64px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.cp-logo-img {
  max-height: 54px;
  max-width: 140px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(20%);
  opacity: 0.9;
  transition: all var(--trans-fast);
}

.cp-logo-card:hover .cp-logo-img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.08);
}

.cp-logo-name {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--vhn-navy);
  letter-spacing: -0.01em;
}

.cp-logo-badge {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--vhn-text-muted);
  background: #FAFAFC;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--vhn-border-subtle);
}

.cp-logo-card:hover .cp-logo-badge {
  background: #EEF6FC;
  color: var(--vhn-blue);
}

@media (max-width: 1024px) {
  .cp-logos-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .cp-logos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .cp-logo-card {
    padding: 18px 12px;
  }
}

/* --- Intelligent Lead Generation Popup --- */
.vhn-lead-popup-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 35, 64, 0.72);
  backdrop-filter: blur(8px);
  z-index: 10080;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
}

.vhn-lead-popup-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.vhn-lead-popup-card {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: 28px;
  width: 100%;
  max-width: 580px;
  box-shadow: 0 25px 60px -15px rgba(12, 35, 64, 0.35);
  position: relative;
  overflow: hidden;
  transform: translateY(24px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.vhn-lead-popup-backdrop.is-open .vhn-lead-popup-card {
  transform: translateY(0) scale(1);
}

.vhn-lead-popup-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--trans-fast);
}

.vhn-lead-popup-close:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(1.1);
}

.vhn-lead-popup-header {
  background: linear-gradient(135deg, #0C2340 0%, #16365C 100%);
  padding: 36px 36px 28px 36px;
  color: #FFFFFF;
}

.vhn-popup-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(243, 112, 33, 0.25);
  color: #FFB300;
  border: 1px solid rgba(255, 179, 0, 0.4);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.vhn-popup-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.65rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.vhn-popup-sub {
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  color: #CBD5E1;
  line-height: 1.5;
}

.vhn-lead-popup-body {
  padding: 28px 36px 32px 36px;
}

.vhn-popup-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.vhn-popup-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.vhn-popup-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--vhn-navy);
}

.vhn-popup-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--vhn-border);
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  color: var(--vhn-navy);
  background: #FAFAFC;
  transition: all var(--trans-fast);
}

.vhn-popup-input:focus {
  outline: none;
  border-color: var(--vhn-orange);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(243, 112, 33, 0.15);
}

.vhn-popup-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.vhn-popup-btn {
  padding: 12px 18px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 12px;
}

.vhn-popup-trust-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.76rem;
  color: #94A3B8;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--vhn-border-subtle);
}

@media (max-width: 600px) {
  .vhn-popup-form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .vhn-popup-actions {
    flex-direction: column;
  }
  .vhn-lead-popup-header {
    padding: 28px 24px 20px 24px;
  }
  .vhn-lead-popup-body {
    padding: 20px 24px 24px 24px;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 64px;
  }
  .navbar-inner {
    padding: 0 4px;
  }
  .navbar-brand-logo {
    height: 42px !important;
  }
  .header-actions .btn {
    padding: 7px 14px;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
  }
  .variant-preview-dock {
    bottom: 74px;
    width: 94%;
    padding: 6px 8px;
    justify-content: space-between;
  }
  .dock-label {
    display: none;
  }
  .dock-btn {
    padding: 5px 8px;
    font-size: 0.72rem;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .trust-stat-box {
    border-right: none;
    border-bottom: 1px solid var(--vhn-border);
  }
  .footer-main-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-row {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .navbar-brand-logo {
    height: 36px !important;
  }
  .header-actions .btn {
    padding: 6px 10px;
    font-size: 0.72rem;
  }
  .cp-logos-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
  }
  .cp-logo-card {
    padding: 16px 10px !important;
    min-height: 130px !important;
  }
  .cp-logo-img {
    max-height: 42px !important;
    max-width: 100px !important;
  }
  .cp-logo-name {
    font-size: 0.85rem !important;
  }
}