/* ==========================================================================
   SEGMENTATA LIMITED - CORPORATE DESIGN SYSTEM & STYLESHEET
   Style: Authoritative Hong Kong Corporate / General Trading / Modern Glass
   Craft: Pure Vanilla CSS, Zero Frameworks, WCAG AA / Impeccable Standards
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Noto+Sans+TC:wght@400;500;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  /* Brand Palette */
  --navy-950: #050a16;
  --navy-900: #0b132b;
  --navy-850: #0f1a3a;
  --navy-800: #162447;
  --navy-700: #1f305c;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --white:     #ffffff;

  /* Accent Tones */
  --gold-500:  #c5a059;
  --gold-400:  #dfba73;
  --gold-600:  #9e7d3b;
  --gold-light: rgba(197, 160, 89, 0.12);
  --gold-border: rgba(197, 160, 89, 0.32);

  --blue-600:  #2563eb;
  --blue-700:  #1d4ed8;
  --blue-800:  #1e40af;
  --blue-light: rgba(37, 99, 235, 0.1);

  --emerald-500: #10b981;
  --emerald-light: rgba(16, 185, 129, 0.15);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Instrument Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-tc: 'Noto Sans TC', var(--font-body);

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.08), 0 4px 8px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 24px 38px -8px rgba(0, 0, 0, 0.12), 0 8px 16px -4px rgba(0, 0, 0, 0.06);

  /* Borders & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 84px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--slate-800);
  background-color: var(--slate-50);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Custom Browser Surfaces --- */
::selection {
  background-color: var(--gold-500);
  color: var(--navy-950);
}

:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 3px;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--navy-950);
}
::-webkit-scrollbar-thumb {
  background: var(--slate-700);
  border-radius: var(--radius-full);
  border: 2px solid var(--navy-950);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-500);
}

/* --- Motion Sensitivity (a11y) --- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
  .status-dot,
  .spinner-icon,
  .map-pulse {
    animation: none !important;
  }
  .hero-bg-img {
    transform: none !important;
    transition: none !important;
  }
  .nav-link::after,
  .btn,
  .registry-card,
  .enquiry-type-card,
  .modal-overlay,
  .modal-card {
    transition-duration: 0.01ms !important;
  }
}

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

.section {
  padding: 6rem 0;
  position: relative;
}

.section-dark {
  background-color: var(--navy-900);
  color: var(--white);
}

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

.section-subtle {
  background-color: var(--slate-50);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 3.75vw, 2.875rem);
  font-weight: 800;
  line-height: 1.18;
  color: var(--slate-900);
  letter-spacing: -0.025em;
  margin-bottom: 1.125rem;
}

.section-dark .section-title {
  color: var(--white);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--slate-600);
  line-height: 1.7;
}

.section-dark .section-subtitle {
  color: var(--slate-300);
}

/* --- Top Utility Notification Bar --- */
.top-notice-bar {
  background: var(--navy-950);
  color: var(--slate-300);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  padding: 0.5rem 0;
}

.top-notice-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.registry-badge-mini {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--emerald-500);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--emerald-500);
  animation: pulseDot 2.5s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.jurisdiction-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--slate-400);
}

.jurisdiction-indicator strong {
  color: var(--gold-400);
  font-weight: 600;
}

/* --- Navigation Header --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(11, 19, 43, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal), border-bottom-color var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(7, 13, 30, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border-bottom-color: rgba(197, 160, 89, 0.25);
}

.navbar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.brand-symbol {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-400);
  font-weight: 600;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--slate-300);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
}

/* Hardware accelerated transform scaleX instead of width */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
  border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* --- Buttons & CTAs --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-600) 100%);
  color: var(--navy-950);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(197, 160, 89, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-500) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.42);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--slate-800);
  border: 1px solid var(--slate-300);
}

.btn-outline-dark:hover {
  background: var(--slate-100);
  border-color: var(--slate-400);
  color: var(--slate-900);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.0625rem;
}

/* Mobile Toggle - 44x44px touch target */
.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
  border-radius: var(--radius-sm);
}

.mobile-toggle:focus-visible {
  outline: 2px solid var(--gold-400);
}

.mobile-toggle-bars {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 16px;
}

.mobile-toggle-bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* --- Section 1: Hero Section (2-Column Architecture with Showcase Card) --- */
.hero-section {
  position: relative;
  min-height: calc(90vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: 5rem 0 5.5rem 0;
  background-color: var(--navy-900);
  color: var(--white);
  overflow: hidden;
}

.hero-bg-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.18;
  filter: saturate(1.1) brightness(0.8);
  transform: scale(1.02);
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(31, 48, 92, 0.5) 0%, rgba(11, 19, 43, 0.9) 60%, rgba(5, 10, 22, 0.98) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 650px;
}

.hero-support-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(197, 160, 89, 0.35);
  backdrop-filter: blur(12px);
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-200);
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-support-pill .separator {
  color: var(--gold-400);
  opacity: 0.7;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.hero-title .text-gold {
  color: var(--gold-400);
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--slate-300);
  line-height: 1.65;
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.trust-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-400);
  font-weight: 600;
}

.trust-value {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

/* Featured Hero Visual Showcase Card */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(197, 160, 89, 0.35);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.6), 0 0 30px rgba(197, 160, 89, 0.12);
  background: var(--navy-950);
}

.hero-card-img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
}

.hero-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 19, 43, 0.2) 0%, rgba(11, 19, 43, 0.88) 85%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
}

.hero-badge-floating {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(11, 19, 43, 0.88);
  border: 1px solid rgba(197, 160, 89, 0.4);
  backdrop-filter: blur(12px);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hero-card-caption h4 {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.hero-card-caption p {
  font-size: 0.8125rem;
  color: var(--slate-300);
}

/* --- Section 2: About Us --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  align-items: center;
}

.about-text-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.lead-paragraph {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--slate-900);
  line-height: 1.6;
}

.about-body-text {
  font-size: 1.0625rem;
  color: var(--slate-600);
  line-height: 1.7;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 0.75rem;
}

.pillar-card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.pillar-card:hover {
  background: var(--white);
  border-color: var(--gold-500);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pillar-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gold-light);
  color: var(--gold-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.35rem;
}

.pillar-desc {
  font-size: 0.875rem;
  color: var(--slate-600);
  line-height: 1.55;
}

.about-visual-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--slate-200);
}

.about-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-visual-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 19, 43, 0.92) 80%);
  color: var(--white);
}

.about-location-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
}

/* --- Section 3: Company Profile (Verified Dossier) --- */
.profile-section {
  background: linear-gradient(180deg, var(--slate-50) 0%, #edf2f7 100%);
  position: relative;
}

.verification-banner {
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.25rem 2rem;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border: 1px solid rgba(197, 160, 89, 0.3);
  box-shadow: var(--shadow-lg);
}

.verification-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.verified-shield-icon {
  width: 40px;
  height: 40px;
  background: var(--gold-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-400);
  flex-shrink: 0;
}

.verification-text h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
}

.verification-text p {
  font-size: 0.875rem;
  color: var(--slate-300);
}

.registry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.registry-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.registry-card:hover {
  border-color: var(--gold-500);
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.field-label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-600);
}

.field-value {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.3;
}

.field-value.address-value {
  font-size: 1.05rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--slate-800);
}

.field-value.cert-value {
  font-family: 'Courier New', monospace;
  letter-spacing: 0.05em;
  color: var(--navy-900);
  background: var(--slate-100);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  font-size: 1.15rem;
  border: 1px dashed var(--slate-300);
}

.card-meta {
  margin-top: 1rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--slate-600);
}

.card-subtag {
  font-size: 0.8125rem;
  color: var(--slate-600);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-600);
  background: var(--blue-light);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--blue-600);
  color: var(--white);
}

.legal-notice-box {
  margin-top: 2.5rem;
  background: rgba(197, 160, 89, 0.08);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--slate-700);
}

.legal-notice-box strong {
  color: var(--navy-900);
}

/* --- Section 4: Business Activity --- */
.business-activity-section {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.activity-card-executive {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.activity-main-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.activity-statement {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--slate-200);
  max-width: 820px;
  margin-bottom: 2rem;
}

.activity-compliance-note {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(197, 160, 89, 0.35);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--slate-300);
  line-height: 1.6;
}

.activity-compliance-note strong {
  color: var(--gold-400);
}

/* --- Section 5: For Business Partners (Enquiry Routing) --- */
.enquiry-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.enquiry-type-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  cursor: pointer;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  text-align: left;
}

.enquiry-type-card:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 3px;
}

.enquiry-type-card:hover {
  border-color: var(--blue-600);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
  transform: translateY(-4px);
}

.enquiry-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--slate-100);
  color: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.enquiry-type-card:hover .enquiry-card-icon {
  background: var(--blue-600);
  color: var(--white);
}

.enquiry-card-title {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.5rem;
}

.enquiry-card-desc {
  font-size: 0.9375rem;
  color: var(--slate-600);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.enquiry-card-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blue-600);
  transition: gap var(--transition-fast);
}

.enquiry-type-card:hover .enquiry-card-action {
  gap: 0.75rem;
}

.enquiry-routing-note {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--slate-500);
}

/* --- Section 6: Contact & Enquiry Form --- */
.contact-section {
  background: var(--slate-100);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 3rem;
  align-items: start;
}

.contact-form-container {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-xl);
}

.form-header {
  margin-bottom: 2rem;
}

.form-header h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.5rem;
}

.form-header p {
  font-size: 0.9375rem;
  color: var(--slate-600);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-800);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-label .required-star {
  color: #dc2626;
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-300);
  background-color: var(--slate-50);
  color: var(--slate-900);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--blue-600);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #dc2626;
  background-color: #fff5f5;
}

.field-error-msg {
  font-size: 0.75rem;
  color: #dc2626;
  font-weight: 500;
  display: none;
}

.form-input.error + .field-error-msg,
.form-select.error + .field-error-msg,
.form-textarea.error + .field-error-msg {
  display: block;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Honeypot anti-spam field */
.hidden-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--slate-600);
  cursor: pointer;
  margin-top: 0.5rem;
}

.form-checkbox-label input[type="checkbox"] {
  margin-top: 0.2rem;
  accent-color: var(--navy-900);
  width: 16px;
  height: 16px;
}

.form-submit-container {
  margin-top: 1rem;
}

.btn-submit {
  width: 100%;
  padding: 1rem 1.75rem;
  font-size: 1.0625rem;
}

.spinner-icon {
  display: none;
  animation: spin 1s linear infinite;
}

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

.btn-submit.loading .btn-text {
  opacity: 0.8;
}

.btn-submit.loading .spinner-icon {
  display: inline-block;
}

/* Contact Info Sidebar */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 1.25rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--slate-100);
}

.info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gold-light);
  color: var(--gold-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-600);
  margin-bottom: 0.25rem;
}

.info-text p {
  font-size: 0.9375rem;
  color: var(--slate-800);
  line-height: 1.5;
}

.info-helper-text {
  font-size: 0.8125rem;
  color: var(--slate-600);
  margin-top: 4px;
}

.badge-provided {
  display: inline-block;
  background: var(--slate-100);
  color: var(--slate-700);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--slate-300);
}

/* Hong Kong Map Card (Interactive Live Embed) */
.hk-map-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.map-hub-label {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy-900);
}

.map-district-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gold-600);
  background: var(--gold-light);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.hk-map-frame-wrap {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--slate-200);
  background: var(--slate-100);
  position: relative;
}

.hk-map-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.map-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.map-card-address-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.map-building-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--slate-900);
}

.map-address-sub {
  font-size: 0.75rem;
  color: var(--slate-600);
}

.map-external-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue-600);
  background: var(--blue-light);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.map-external-link:hover {
  background: var(--blue-600);
  color: var(--white);
}

/* --- Footer --- */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-400);
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.03em;
}

.footer-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 420px;
  color: var(--slate-400);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-400);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--slate-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

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

.footer-legal-links button {
  color: var(--slate-400);
  font-size: 0.8125rem;
  transition: color var(--transition-fast);
}

.footer-legal-links button:hover {
  color: var(--gold-400);
}

/* --- Modals (Privacy & Terms & Submission Success) --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 22, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.modal-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transform: scale(0.96) translateY(8px);
  transition: transform var(--transition-normal);
  overflow: hidden;
  border: 1px solid var(--slate-200);
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--slate-50);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-600);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  background: var(--slate-200);
}

.modal-close-btn:hover {
  background: var(--slate-300);
  color: var(--slate-900);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  font-size: 0.9375rem;
  color: var(--slate-700);
  line-height: 1.7;
}

.modal-body h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.modal-body h4:first-child {
  margin-top: 0;
}

.modal-body p {
  margin-bottom: 1rem;
}

.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--slate-200);
  display: flex;
  justify-content: flex-end;
  background: var(--slate-50);
}

/* Success Modal Details */
.success-content {
  text-align: center;
  padding: 1rem 0;
}

.success-icon-wrap {
  width: 64px;
  height: 64px;
  background: var(--emerald-light);
  color: var(--emerald-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
}

.success-modal-heading {
  margin-top: 0;
  font-size: 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--slate-900);
}

.success-modal-sub {
  font-size: 0.875rem;
  color: var(--slate-600);
}

.ref-code-box {
  background: var(--slate-100);
  border: 1px dashed var(--slate-300);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.25rem auto;
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy-900);
}

/* Floating Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--navy-900);
  color: var(--white);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(197, 160, 89, 0.35);
  box-shadow: var(--shadow-xl);
  z-index: 3000;
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  pointer-events: none;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--navy-900);
  color: var(--white);
  border: 1px solid rgba(197, 160, 89, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.back-to-top:hover {
  background: var(--gold-500);
  color: var(--navy-950);
}

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-content {
    max-width: 100%;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-img {
    height: 380px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  /* Hide bulky 3-line utility bar on mobile to eliminate clutter */
  .top-notice-bar {
    display: none;
  }

  .site-header {
    height: var(--nav-height);
  }

  .brand-symbol {
    width: 36px;
    height: 36px;
  }

  .brand-symbol svg {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .brand-sub {
    font-size: 0.625rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  /* Compact Hero on Mobile */
  .hero-section {
    padding: 1.75rem 0 2.5rem 0;
    min-height: auto;
  }

  .hero-grid {
    gap: 1.75rem;
  }

  .hero-support-pill {
    padding: 0.28rem 0.75rem;
    font-size: 0.72rem;
    margin-bottom: 0.875rem;
    gap: 0.35rem;
    white-space: nowrap;
    display: inline-flex;
  }

  .hero-title {
    font-size: 1.85rem;
    line-height: 1.15;
    margin-bottom: 0.75rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
  }

  .hero-cta-group {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    width: 100%;
  }

  .hero-cta-group .btn {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.7rem 0.5rem;
    font-size: 0.8125rem;
    gap: 0.35rem;
  }

  .hero-cta-group .btn svg {
    width: 14px;
    height: 14px;
  }

  .hero-trust-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding-top: 1rem;
  }

  .trust-label {
    font-size: 0.65rem;
  }

  .trust-value {
    font-size: 0.85rem;
  }

  .hero-card-img {
    height: 220px;
  }

  .hero-card-caption h4 {
    font-size: 1rem;
  }

  .hero-card-caption p {
    font-size: 0.75rem;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--navy-950);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem 1.5rem;
    gap: 1.15rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

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

  .contact-form-container {
    padding: 2rem 1.25rem;
  }

  .activity-card-executive {
    padding: 2.25rem 1.25rem;
  }

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

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

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

  .about-pillars {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 1.25rem;
    right: 1.25rem;
  }
}