/* ==============================================================================
   Sangamam Communications® - Global Enterprise Design System
   Inspired by World-Class Tech Consulting Brands (Infosys, Accenture, TCS)
   Fonts: Inter (body & UI) & Rubik (headings & accents)
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Rubik:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Official Sangamam Brand Colors */
  --brand-navy: #162C52;
  --brand-navy-dark: #0A162B;
  --brand-navy-deep: #060E1C;
  --brand-blue: #0066CC;
  --brand-blue-hover: #0052A3;
  --brand-cyan: #0284C7;
  --brand-cobalt: #1D4ED8;
  --brand-ice: #F0F6FF;

  /* Surfaces - Enterprise Dark / Light Contrast */
  --bg-dark: #070F1E;
  --bg-dark-elevated: #0D1B33;
  --bg-dark-card: rgba(13, 27, 51, 0.85);
  --bg-light-surface: #FFFFFF;
  --bg-light-alt: #F8FAFC;
  --bg-light-subtle: #F1F5F9;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-light: #E2E8F0;
  --border-glow: rgba(0, 102, 204, 0.35);

  --primary: #0066CC;
  --primary-hover: #0052A3;
  --primary-glow: rgba(0, 102, 204, 0.25);
  --secondary: #0284C7;
  --accent-emerald: #059669;
  --accent-amber: #D97706;
  --accent-rose: #E11D48;

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --text-dark: #0F172A;
  --text-dark-muted: #475569;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Rubik', 'Inter', sans-serif;

  /* Layout */
  --container-max: 1240px;
  --header-height: 86px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 30px;

  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 12px 36px -8px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(0, 102, 204, 0.18);
  --shadow-float: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, #102140 0%, #070f1e 65%);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: #ffffff;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

a {
  color: #38BDF8;
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:hover {
  color: #93C5FD;
}

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-sm {
  padding: 50px 0;
}

.text-center {
  text-align: center;
}

/* Enterprise Section Badges & Headings */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 102, 204, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #60A5FA;
  padding: 6px 18px;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.badge-pill.badge-emerald {
  background: rgba(5, 150, 105, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34D399;
}

.badge-pill.badge-amber {
  background: rgba(217, 119, 6, 0.15);
  border-color: rgba(245, 158, 11, 0.4);
  color: #FBBF24;
}

.section-title {
  font-size: clamp(2.1rem, 4.2vw, 2.9rem);
  margin-bottom: 18px;
  font-weight: 800;
}

.section-subtitle {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.15rem;
  color: var(--text-muted);
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, #93C5FD 75%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==============================================================================
   Site Header & Navigation (Infosys / Global Enterprise Style)
   ============================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid #E2E8F0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: #FFFFFF;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
  border-bottom-color: #CBD5E1;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.brand-logo img {
  height: 48px;
  width: auto;
  max-height: 48px;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: #1E293B;
  transition: color var(--transition-fast);
  position: relative;
  padding: 8px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.btn-primary {
  background: linear-gradient(135deg, #0066CC 0%, #004C99 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0077EE 0%, #0066CC 100%);
  box-shadow: 0 6px 22px rgba(0, 102, 204, 0.5);
  transform: translateY(-2px);
  color: #FFFFFF;
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.35);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  box-shadow: 0 6px 22px rgba(2, 132, 199, 0.5);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  color: #0F172A;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-size: 1.3rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ==============================================================================
   Hero Section & Trust Metrics
   ============================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 75px);
  padding-bottom: 96px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(ellipse, rgba(0, 102, 204, 0.25) 0%, rgba(2, 132, 199, 0.08) 50%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.1rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  max-width: 780px;
  margin: 0 auto 38px;
  color: var(--text-muted);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #CBD5E1;
  font-size: 0.95rem;
  font-weight: 600;
}

.trust-icon {
  color: var(--accent-emerald);
  font-size: 1.2rem;
}

/* ==============================================================================
   Service Cards & Capabilities Grid
   ============================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.service-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 42px 34px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.18), rgba(2, 132, 199, 0.18));
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.service-icon-wrap.digital {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(225, 29, 72, 0.18));
  border-color: rgba(139, 92, 246, 0.4);
  color: #A78BFA;
}

.service-icon-wrap.offshore {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.18), rgba(2, 132, 199, 0.18));
  border-color: rgba(16, 185, 129, 0.4);
  color: #34D399;
}

.service-title {
  font-size: 1.55rem;
  margin-bottom: 14px;
}

.service-desc {
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-feature-list {
  margin-bottom: 30px;
}

.service-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #E2E8F0;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.service-feature-list li span.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #38BDF8;
}

/* Regional High-Authority Box */
.regional-highlight-box {
  background: linear-gradient(135deg, rgba(16, 33, 64, 0.95) 0%, rgba(10, 22, 43, 0.95) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 50px 40px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.regional-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

/* Policy & Notice Box */
.notice-box {
  background: rgba(225, 29, 72, 0.1);
  border: 1px solid rgba(225, 29, 72, 0.35);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  margin: 24px 0;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.notice-box.notice-info {
  background: rgba(0, 102, 204, 0.1);
  border-color: rgba(56, 189, 248, 0.35);
}

.notice-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.notice-content h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.notice-content p {
  font-size: 0.95rem;
  margin: 0;
  color: var(--text-main);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: rgba(6, 14, 28, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: rgba(13, 27, 51, 0.95);
}

.form-control::placeholder {
  color: var(--text-dim);
}

select.form-control {
  cursor: pointer;
}

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

.form-feedback {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.form-feedback.success {
  display: block;
  background: rgba(5, 150, 105, 0.18);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34D399;
}

.form-feedback.error {
  display: block;
  background: rgba(225, 29, 72, 0.18);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #F87171;
}

/* ==============================================================================
   Fixed Floating Call & WhatsApp Action Buttons (Bottom Left)
   ============================================================================== */
.floating-quick-actions {
  position: fixed;
  bottom: 26px;
  left: 26px;
  z-index: 9990;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: 9999px;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-float);
  transition: all var(--transition-normal);
  text-decoration: none;
  backdrop-filter: blur(8px);
}

.floating-btn .btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-call-btn {
  background: linear-gradient(135deg, #0066CC 0%, #004C99 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.floating-call-btn:hover {
  background: linear-gradient(135deg, #0077EE 0%, #0066CC 100%);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 28px rgba(0, 102, 204, 0.5);
  color: #FFFFFF;
}

.floating-wa-btn {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.floating-wa-btn:hover {
  background: linear-gradient(135deg, #2FE074 0%, #25D366 100%);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.5);
  color: #FFFFFF;
}

/* ==============================================================================
   AI Project Advisor Interactive Chat Widget (Bottom Right)
   ============================================================================== */
.ai-chat-widget {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 9995;
}

.ai-chat-trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px 10px 12px;
  background: linear-gradient(135deg, #0A1E3F 0%, #0066CC 100%);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 9999px;
  color: #FFFFFF;
  cursor: pointer;
  box-shadow: var(--shadow-float), 0 0 25px rgba(0, 102, 204, 0.4);
  transition: all var(--transition-normal);
}

.ai-chat-trigger:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 34px rgba(0, 102, 204, 0.6);
}

.ai-avatar-wrap {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.ai-status-pulse {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #10B981;
  border: 2px solid #0A1E3F;
}

.ai-trigger-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.ai-trigger-text .ai-title {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.ai-trigger-text .ai-subtitle {
  font-size: 0.72rem;
  color: #93C5FD;
}

/* AI Chat Window Panel */
.ai-chat-panel {
  position: absolute;
  bottom: 75px;
  right: 0;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 540px;
  max-height: calc(100vh - 120px);
  background: #081122;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.75), 0 0 35px rgba(0, 102, 204, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-normal);
}

.ai-chat-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.ai-chat-header {
  padding: 16px 20px;
  background: linear-gradient(135deg, #0D234A 0%, #004C99 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-header-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-header-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.ai-advisor-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0;
}

.ai-online-badge {
  font-size: 0.72rem;
  color: #93C5FD;
  display: flex;
  align-items: center;
  gap: 6px;
}

.online-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
}

.ai-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-restart-btn, .ai-close-btn {
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #FFFFFF;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.ai-restart-btn:hover, .ai-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.ai-chat-body {
  flex-grow: 1;
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-msg {
  max-width: 84%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-word;
  animation: fadeInMsg 0.25s ease forwards;
}

@keyframes fadeInMsg {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.bot {
  align-self: flex-start;
  background: #12213D;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #F1F5F9;
  border-bottom-left-radius: 4px;
}

.chat-msg.user {
  align-self: flex-end;
  background: #0066CC;
  color: #FFFFFF;
  border-bottom-right-radius: 4px;
}

.chat-typing-indicator {
  align-self: flex-start;
  background: #12213D;
  padding: 10px 16px;
  border-radius: 16px;
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #60A5FA;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Quick Reply Chips */
.ai-quick-chips {
  padding: 8px 16px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  background: #0B172E;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.ai-quick-chips::-webkit-scrollbar {
  display: none;
}

.ai-chip {
  background: rgba(0, 102, 204, 0.25);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #93C5FD;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ai-chip:hover {
  background: #0066CC;
  color: #FFFFFF;
  border-color: #0066CC;
}

/* Chat Footer / Input Form */
.ai-chat-footer {
  padding: 12px 16px;
  background: #0B172E;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  gap: 10px;
  align-items: center;
}

.ai-chat-input {
  flex-grow: 1;
  background: rgba(6, 14, 28, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 10px 16px;
  color: #FFFFFF;
  font-size: 0.88rem;
  outline: none;
}

.ai-chat-input:focus {
  border-color: #0066CC;
}

.ai-chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #0066CC;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.ai-chat-send-btn:hover {
  background: #0052A3;
  transform: scale(1.05);
}

/* ==============================================================================
   50% Scroll Dynamic Popup Modal
   ============================================================================== */
.scroll-popup-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 18, 0.84);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.scroll-popup-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.scroll-popup-card {
  background: linear-gradient(135deg, #0F203D 0%, #081122 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  padding: 42px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 50px rgba(0, 102, 204, 0.25);
  transform: scale(0.92) translateY(20px);
  transition: transform var(--transition-normal);
}

.scroll-popup-backdrop.active .scroll-popup-card {
  transform: scale(1) translateY(0);
}

.popup-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.popup-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  transform: rotate(90deg);
}

/* ==============================================================================
   FAQ Accordion
   ============================================================================== */
.faq-list {
  max-width: 840px;
  margin: 40px auto 0;
}

.faq-item {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-glow);
}

.faq-question {
  padding: 22px 26px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
  color: #38BDF8;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 26px;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 26px 22px;
}

/* ==============================================================================
   Site Footer
   ============================================================================== */
.site-footer {
  background: #050A14;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 30px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h4 {
  font-size: 1.15rem;
  margin-bottom: 22px;
  color: #FFFFFF;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-contact-item .icon {
  color: #38BDF8;
  font-size: 1.1rem;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  background: #081122;
  border-left: 1px solid var(--border-subtle);
  z-index: 1001;
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
}

.mobile-nav-drawer.active {
  right: 0;
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.mobile-nav-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .nav-links, .header-cta {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .regional-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .floating-quick-actions {
    bottom: 20px;
    left: 16px;
  }
  .ai-chat-widget {
    bottom: 20px;
    right: 16px;
  }
  .floating-btn .btn-label {
    display: none;
  }
  .floating-btn {
    padding: 12px;
    border-radius: 50%;
  }
  .ai-trigger-text {
    display: none;
  }
  .ai-chat-trigger {
    padding: 10px;
    border-radius: 50%;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 60px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .scroll-popup-card {
    padding: 30px 20px;
  }
  .hero-trust-bar {
    gap: 18px;
  }
  .ai-chat-panel {
    width: calc(100vw - 32px);
    right: -6px;
  }
}