:root {
  --ink: #0F172A; /* Slate 900 */
  --muted: #475569; /* Slate 600 */
  --paper: #F8FAFC; /* Slate 50 */
  --surface: #ffffff;
  --line: rgba(148, 163, 184, 0.12); /* Subtle slate borders */
  --accent: #2563EB; /* Vibrant Cobalt Blue */
  --accent-dark: #1E3A8A; /* Sapphire Blue */
  --orange: #2563EB; /* Keep mapped to active blue for style compatibility */
  --olive: #475569;
  --charcoal: #0B1936;
  --shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 30px 60px rgba(15, 23, 42, 0.12);
  --container-width: 1560px;
  --container-gutter: 36px;
  --section-space: 100px;
  --section-space-sm: 50px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--paper);
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 5px;
  border: 2px solid var(--paper);
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: 'Plus Jakarta Sans', "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

img {
  display: block;
  width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(var(--container-width), calc(100% - (var(--container-gutter) * 2)));
  margin-right: auto;
  margin-left: auto;
}

.section-block {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.section-title {
  margin: 0;
  color: var(--accent-dark);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: clamp(36px, 3vw, 52px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: #fff;
  background: var(--accent);
}

.btn.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-45px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-right {
  opacity: 0;
  transform: translateX(45px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

/* Stagger reveals container */
.reveal-stagger {
  will-change: opacity;
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--stagger-delay, 0s);
  will-change: opacity, transform;
}

.reveal.is-visible,
.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-scale.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: none;
}

.site-header {
  position: fixed;
  inset: 18px 24px auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  transition: var(--transition-smooth);
}

.site-header.is-scrolled {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--shadow-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
  transition: var(--transition-smooth);
}

.brand:hover {
  transform: scale(1.02);
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  height: 48px;
  color: #fff;
  background: var(--charcoal);
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: 0;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.brand-mark img {
  display: block;
  width: auto;
  height: 100%;
  max-width: none;
  max-height: none;
  border-radius: inherit;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 800;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  padding: 10px 16px;
  color: var(--ink);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--accent);
  background: rgba(37, 99, 235, 0.05);
}

/* Navigation Dropdown Menu Styles (Level 2 & 3) */
.nav-dropdown-wrapper {
  position: relative;
  display: inline-block;
  padding-bottom: 18px;
  margin-bottom: -18px;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  color: inherit;
}

.nav-dropdown-toggle i {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.82);
  transition: transform 0.25s ease, color 0.25s ease;
}

.nav-dropdown-wrapper:hover .nav-dropdown-toggle i {
  transform: rotate(180deg);
}

/* Secondary dropdown menu (Level 2) */
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  z-index: 99;
  min-width: 244px;
  padding: 10px 0;
  margin: 0;
  list-style: none;
  background: rgba(10, 23, 52, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  box-shadow: 0 26px 60px rgba(8, 17, 38, 0.26);
  backdrop-filter: blur(24px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.nav-dropdown-wrapper:hover .nav-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(8px);
}

.nav-dropdown-item {
  position: relative;
  list-style: none;
}

.nav-dropdown-item > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13.5px;
  font-weight: 600;
  border-radius: 10px;
  transition: var(--transition-smooth);
}

.nav-dropdown-item > a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-dropdown-item > a i {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.58);
  opacity: 1;
}

/* Tertiary submenu (Level 3) */
.nav-submenu {
  position: absolute;
  top: -10px;
  left: 100%;
  transform: translateX(14px);
  z-index: 100;
  min-width: 232px;
  padding: 10px 0;
  margin: 0;
  list-style: none;
  background: rgba(13, 30, 66, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  box-shadow: 0 24px 54px rgba(8, 17, 38, 0.24);
  backdrop-filter: blur(24px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.nav-dropdown-item.has-submenu:hover .nav-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(6px);
}

.nav-submenu a {
  display: block;
  padding: 11px 18px;
  margin: 0 8px;
  color: rgba(226, 235, 255, 0.86);
  font-size: 13px;
  font-weight: 500;
  border-radius: 10px;
  transition: var(--transition-smooth);
}

.nav-submenu a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero-header.is-scrolled .nav-dropdown-toggle i {
  color: rgba(20, 35, 61, 0.68);
}

.hero-header.is-scrolled .nav-dropdown-menu,
.hero-header.is-scrolled .nav-submenu {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(30, 55, 104, 0.12);
  box-shadow: 0 22px 54px rgba(18, 37, 79, 0.14);
}

.hero-header.is-scrolled .nav-dropdown-item > a {
  color: #173567;
}

.hero-header.is-scrolled .nav-dropdown-item > a:hover {
  color: var(--accent);
  background: rgba(37, 99, 235, 0.08);
}

.hero-header.is-scrolled .nav-dropdown-item > a i {
  color: rgba(20, 35, 61, 0.44);
}

.hero-header.is-scrolled .nav-submenu a {
  color: #4e6387;
}

.hero-header.is-scrolled .nav-submenu a:hover {
  color: var(--accent);
  background: rgba(37, 99, 235, 0.08);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.nav-toggle:hover {
  background: var(--paper);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: var(--transition-smooth);
}

.hero-header {
  inset: 0 0 auto;
  max-width: none;
  width: 100%;
  height: 92px;
  padding: 0 max(var(--container-gutter), calc((100% - var(--container-width)) / 2 + var(--container-gutter)));
  color: #fff;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0));
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-header.is-scrolled {
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.hero-header .brand {
  min-width: 360px;
  gap: 14px;
}

.hero-header .brand-mark {
  height: 56px;
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 27px;
}

.hero-header .brand strong,
.hero-header .brand small {
  display: inline;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  transition: var(--transition-smooth);
}

.hero-header.is-scrolled .brand strong,
.hero-header.is-scrolled .brand small,
.hero-header.is-scrolled .site-nav a,
.hero-header.is-scrolled .header-tools a {
  color: var(--ink);
}

.hero-header.is-scrolled .site-nav a.is-active,
.hero-header.is-scrolled .site-nav a:hover {
  color: var(--accent);
  background: transparent;
}

.hero-header.is-scrolled .nav-toggle {
  background: var(--surface);
  border-color: var(--line);
}

.hero-header.is-scrolled .nav-toggle span {
  background: var(--ink);
}

.hero-header .site-nav {
  flex: 1;
  justify-content: center;
  gap: 38px;
  padding-right: 0;
}

.hero-header .site-nav a {
  position: relative;
  padding: 8px 0;
  color: #fff;
  background: transparent;
  border-radius: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition-smooth);
}

.hero-header .site-nav a:hover,
.hero-header .site-nav a.is-active {
  color: #fff;
  background: transparent;
}

.hero-header .site-nav a::after {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2.5px;
  background: #fff;
  content: "";
  transform: translateX(-50%);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-header.is-scrolled .site-nav a::after {
  background: var(--accent);
}

.hero-header .site-nav a:hover::after,
.hero-header .site-nav a.is-active::after {
  width: 100%;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #fff;
}

.header-tools a:not(.header-inquiry-btn) {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  font-size: 20px;
  opacity: 0.98;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero-header.is-scrolled .header-tools {
  color: var(--ink);
}

/* Professional B2B Inquiry Button Styling */
.header-inquiry-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 24px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.header-inquiry-btn:hover {
  transform: translateY(-2px);
  background: var(--accent-dark);
  box-shadow: 0 6px 16px rgba(30, 58, 138, 0.35);
}

.header-tools a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* Premium Floating Tools & Popover Hover Effect */
.floating-tools {
  position: fixed;
  z-index: 999;
  top: 45%;
  transform: translateY(-50%);
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.floating-item {
  position: relative;
}

.floating-tools a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: #1c3d7d; /* Premium deep blue background matching the screenshot */
  border-radius: 6px 0 0 6px;
  font-size: 20px;
  transition: background 0.2s ease;
}

.floating-tools a:hover {
  background: var(--orange, #f26522);
}

.floating-popover {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(-12px);
  margin-right: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #1c3d7d;
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(8, 17, 38, 0.24);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-popover i {
  font-size: 18px;
}

.floating-popover::after {
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent transparent #1c3d7d;
  content: "";
}

.floating-item:hover .floating-popover {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

/* WeChat QR Code design */
.wechat-popover {
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}

.wechat-qr {
  width: 100px;
  height: 100px;
  background: #fff;
  padding: 4px;
  border-radius: 4px;
}

.wechat-qr img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.floating-tools .fa-phone {
  font-size: 16.5px;
}


.site-footer {
  color: #fff;
  background: #081a3a;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(300px, 1.08fr) minmax(620px, 1.9fr) minmax(280px, 0.95fr);
  gap: 64px;
  width: min(var(--container-width), calc(100% - (var(--container-gutter) * 2)));
  margin: 0 auto;
  padding: 62px 0 68px;
}

.footer-messages h3,
.footer-links h3,
.footer-brand h4 {
  margin: 0;
  color: #fff;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.footer-messages h3,
.footer-links h3 {
  font-size: 18px;
  font-weight: 900;
  text-transform: none;
}

.footer-messages h3::after,
.footer-links h3::after {
  display: block;
  width: 30px;
  height: 3px;
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.96);
  content: "";
}

.footer-messages p {
  max-width: 330px;
  margin: 12px 0 22px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  line-height: 1.45;
}

.footer-form {
  display: grid;
  gap: 16px;
  max-width: 300px;
}

.footer-form input,
.footer-form textarea {
  width: 100%;
  padding: 14px 18px;
  color: #14305e;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

.footer-form textarea {
  min-height: 92px;
  resize: vertical;
}

.footer-form input::placeholder,
.footer-form textarea::placeholder {
  color: #6d7a96;
}

.footer-form button {
  width: 100%;
  height: 42px;
  color: #fff;
  background: #26499d;
  border: 0;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.footer-form button:hover {
  background: #3157b5;
  transform: translateY(-1px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 40px;
}

.footer-links h3 {
  margin-bottom: 18px;
}

.footer-links a {
  display: block;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #82a8ff;
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 24px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.footer-brand-mark {
  display: grid;
  place-items: center;
  width: 78px;
  height: 48px;
  border: 3px solid rgba(255, 255, 255, 0.94);
  border-radius: 999px 16px 999px 16px;
  font-size: 0;
  position: relative;
}

.footer-brand-mark::before {
  position: absolute;
  inset: 8px 12px;
  border: 3px solid rgba(255, 255, 255, 0.94);
  border-left-width: 10px;
  border-right: 0;
  border-radius: 999px 12px 999px 12px;
  content: "";
  transform: skewX(-14deg);
}

.footer-brand-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
}

.footer-contact-group {
  display: grid;
  gap: 12px;
}

.footer-contact-group h4 {
  font-size: 18px;
  font-weight: 900;
}

.footer-contact-group a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
}

.footer-contact-group i {
  width: 18px;
  text-align: center;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--container-width), calc(100% - (var(--container-gutter) * 2)));
  margin: 0 auto;
  padding: 18px 0 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: #fff;
  border-radius: 50%;
  font-size: 15px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.footer-social-facebook {
  background: #4568b2;
}

.footer-social-linkedin {
  background: #0b78c6;
}

.footer-social-x {
  background: #222;
}

.footer-social-tumblr {
  background: #4a5467;
}

.footer-social-pinterest {
  background: #e53935;
}

.footer-social a:hover {
  transform: translateY(-2px);
}

@media (max-width: 1180px) {
  .hero-header {
    padding: 0 28px;
  }

  .hero-header .brand {
    min-width: 280px;
  }

  .hero-header .brand strong,
  .hero-header .brand small {
    font-size: 28px;
  }

  .hero-header .site-nav {
    gap: 18px;
  }

  .header-tools {
    gap: 12px;
  }
}

/* Tablet/Medium PC Footer Responsiveness Layout (981px - 1250px) */
@media (max-width: 1250px) {
  .footer-main {
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1.2fr 1.2fr;
    gap: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 36px;
    margin-top: 12px;
  }
}

@media (max-width: 980px) {
  .site-header {
    inset: 12px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    inset: calc(100% + 8px) 0 auto;
    display: grid;
    gap: 2px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transform-origin: top;
    transform: scaleY(0.92);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .hero-header {
    inset: 0;
    height: 78px;
    padding: 0 16px;
  }

  .hero-header .brand {
    min-width: 0;
  }

  .hero-header .brand-mark {
    width: auto;
    height: 44px;
    font-size: 20px;
  }

  .hero-header .brand strong {
    display: block;
    font-size: 22px;
  }

  .hero-header .brand small {
    display: block;
    margin-left: 0;
    font-size: 16px;
  }

  .hero-header .nav-toggle {
    display: block;
    margin-left: auto;
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.34);
    z-index: 1000;
    position: relative;
  }

  .hero-header .nav-toggle span {
    background: #fff;
  }

  /* When menu is open, make the toggle X dark slate and float on white glass */
  .hero-header .nav-toggle.is-open {
    background: var(--surface) !important;
    border-color: var(--line) !important;
  }

  .hero-header .nav-toggle.is-open span {
    background: var(--ink) !important;
  }

  /* Premium White-Glass Mobile Sidebar */
  .hero-header .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: auto;
    bottom: 0;
    z-index: 999;
    width: min(300px, 80vw);
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 8px;
    padding: 96px 24px 40px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--line);
    box-shadow: 10px 0 40px rgba(15, 23, 42, 0.08);
    transform: translateX(-100%);
    visibility: hidden;
    opacity: 1;
    pointer-events: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s ease;
  }

  .hero-header .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .hero-header .site-nav a,
  .hero-header.is-scrolled .site-nav a {
    color: var(--ink) !important;
  }

  .hero-header .site-nav a:hover,
  .hero-header.is-scrolled .site-nav a:hover,
  .hero-header .site-nav a.is-active,
  .hero-header.is-scrolled .site-nav a.is-active {
    color: var(--accent) !important;
    background: rgba(37, 99, 235, 0.05);
  }

  /* Mobile Dropdown styles (Accordion layout) */
  .hero-header .nav-dropdown-wrapper {
    display: block;
    width: 100%;
  }

  .hero-header .nav-dropdown-toggle {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 16px;
  }

  .hero-header .nav-dropdown-toggle i {
    font-size: 11px;
    color: rgba(51, 80, 127, 0.7);
    transition: transform 0.3s ease, color 0.3s ease;
  }

  .hero-header .nav-dropdown-menu {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    padding: 0;
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .hero-header .nav-dropdown-wrapper.is-expanded .nav-dropdown-menu {
    max-height: 800px;
  }

  .hero-header .nav-dropdown-wrapper.is-expanded .nav-dropdown-toggle i {
    transform: rotate(180deg);
    color: var(--accent);
  }

  .hero-header .nav-dropdown-item > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 16px 11px 24px; /* Indented L2 */
    color: #33507f !important;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: 10px;
    transition: background 0.25s ease, color 0.25s ease;
  }

  .hero-header .nav-dropdown-item > a:hover {
    color: var(--accent) !important;
    background: rgba(37, 99, 235, 0.07);
  }

  .hero-header .nav-dropdown-item.is-expanded > a {
    color: var(--accent) !important;
    background: rgba(37, 99, 235, 0.04);
  }

  .hero-header .nav-dropdown-item > a i {
    color: rgba(51, 80, 127, 0.7);
    transform: rotate(90deg);
    transition: transform 0.25s ease;
  }

  .hero-header .nav-dropdown-item.is-expanded > a i {
    transform: rotate(270deg);
    color: var(--accent);
  }

  .hero-header .nav-submenu {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    padding: 0;
    display: block;
    max-height: 0;
    overflow: hidden;
    border-left: 2px solid rgba(37, 99, 235, 0.15);
    margin-left: 32px;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .hero-header .nav-dropdown-item.has-submenu.is-expanded .nav-submenu {
    display: block;
    max-height: 250px;
  }

  .hero-header .nav-submenu a {
    display: block;
    position: relative;
    padding: 8px 16px 8px 16px; /* Indented L3 */
    color: #5d7398 !important;
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    transition: background 0.25s ease, color 0.25s ease;
  }

  .hero-header .nav-submenu a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 4px;
    height: 4px;
    background: #5d7398;
    border-radius: 50%;
    transform: translateY(-50%);
    opacity: 0.5;
    transition: background 0.25s ease, opacity 0.25s ease;
  }

  .hero-header .nav-submenu a:hover {
    color: var(--accent) !important;
    background: rgba(37, 99, 235, 0.07);
  }

  .hero-header .nav-submenu a:hover::before {
    background: var(--accent);
    opacity: 1;
  }

  .header-tools {
    display: none;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: unset;
    grid-template-columns: 1fr;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    margin-top: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --container-gutter: 16px;
    --section-space: var(--section-space-sm);
  }

  .section-title {
    font-size: 28px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .section-heading p {
    font-size: 14px;
    line-height: 1.5;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .floating-tools {
    display: none;
  }

  .floating-chat {
    width: 58px;
    height: 58px;
    font-size: 24px;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-main {
    padding: 48px 0 44px;
  }

  .footer-links a,
  .footer-messages p,
  .footer-contact-group a,
  .footer-bottom p {
    font-size: 14px;
  }

  .footer-brand-name {
    font-size: 34px;
  }
}

/* Premium Floating Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease, background 0.3s, border-color 0.3s, color 0.3s;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.28);
}

@media (max-width: 640px) {
  .back-to-top {
    bottom: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
  }
}

/* Mobile Navigation Header & Footer Styles */
.mobile-nav-header,
.mobile-nav-footer {
  display: none;
}

@media (max-width: 980px) {
  .hero-header .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 16px;
    margin-top: -36px; /* Offset the padding a bit for better alignment */
  }

  .hero-header .mobile-nav-logo {
    height: 38px;
    display: block;
    padding: 0 !important;
    background: transparent !important;
  }

  .hero-header .mobile-nav-logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    border-radius: 0;
  }

  .hero-header .mobile-nav-footer {
    display: block;
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .hero-header .mobile-nav-contact {
    display: grid;
    gap: 12px;
  }

  .hero-header .mobile-nav-contact a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--muted) !important;
    font-size: 13.5px;
    font-weight: 500;
    padding: 6px 0 !important;
    background: transparent !important;
  }

  .hero-header .mobile-nav-contact a i {
    font-size: 14px;
    color: var(--accent);
    flex-shrink: 0;
  }

  .hero-header .mobile-nav-contact a:hover {
    color: var(--accent) !important;
  }
}

/* Compress Desktop B2B Header spacing to prevent overflow on medium/laptop viewport widths */
@media (min-width: 981px) and (max-width: 1250px) {
  .hero-header .brand {
    min-width: unset;
  }
  .hero-header .brand-mark {
    height: 44px;
  }
  .hero-header .brand strong {
    font-size: 25px;
  }
  .hero-header .brand small {
    font-size: 13px;
  }
  .hero-header .site-nav {
    gap: 16px;
  }
  .hero-header .site-nav a {
    font-size: 14px;
  }
  .header-tools {
    gap: 12px;
  }
  .header-inquiry-btn {
    padding: 0 16px;
    height: 38px;
    font-size: 13px;
  }
}