/* ============================================================
   DataCube Systems — Main Stylesheet
   Modern MSP design: navy + blue palette, Inter font
   ============================================================ */

/* -------- CSS Custom Properties -------- */
:root {
  --navy:        #0A1628;
  --navy-mid:    #0D1F38;
  --blue:        #1565C0;
  --blue-mid:    #1976D2;
  --blue-light:  #42A5F5;
  --accent:      #00ACC1;
  --accent-dark: #00838F;
  --white:       #FFFFFF;
  --gray-50:     #F8FAFC;
  --gray-100:    #F1F5F9;
  --gray-200:    #E2E8F0;
  --gray-400:    #94A3B8;
  --gray-600:    #475569;
  --gray-700:    #334155;
  --gray-900:    #0F172A;

  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   16px;
  --radius-xl:   24px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
  --shadow:      0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg:   0 10px 30px rgba(0,0,0,0.12);
  --shadow-xl:   0 20px 50px rgba(0,0,0,0.18);

  --transition:  0.25s ease;
  --header-h:    72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* -------- Typography -------- */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.2rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 600; }
h5 { font-size: 0.9rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }

/* -------- Utilities -------- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

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

.section-blue {
  background: linear-gradient(135deg, var(--blue) 0%, var(--navy-mid) 100%);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-header h2 { color: var(--navy); margin: 12px 0 16px; }
.section-header p  { color: var(--gray-600); font-size: 1.05rem; }
.section-header.light h2 { color: var(--white); }
.section-header.light p  { color: rgba(255,255,255,0.8); }

.text-accent { color: var(--accent); }

/* Badges */
.badge {
  display: inline-block;
  background: rgba(21, 101, 192, 0.1);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(21, 101, 192, 0.2);
}

.badge-accent {
  background: rgba(0, 172, 193, 0.15);
  color: var(--accent);
  border-color: rgba(0, 172, 193, 0.3);
}

.badge-light {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-mid);
  border-color: var(--blue-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

.btn-lg {
  padding: 15px 30px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }
.fade-in:nth-child(6) { transition-delay: 0.5s; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

#header.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 32px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo span { color: var(--accent); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.08); }

.nav-phone {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.nav-phone:hover { color: var(--accent); }

.nav-menu .btn-primary {
  padding: 9px 20px;
  font-size: 0.875rem;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
  padding-top: var(--header-h);
}

/* Animated geometric background */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(21, 101, 192, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(0, 172, 193, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 60% 80% at 90% 10%, rgba(10, 22, 40, 0.5) 0%, transparent 70%);
}

/* Dot-grid pattern overlay */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 80px 0;
}

.hero-content .badge { margin-bottom: 20px; }

.hero-content h1 {
  color: var(--white);
  margin-bottom: 20px;
}

.hero-subtitle {
  color: rgba(255,255,255,0.75);
  font-size: 1.15rem;
  max-width: 600px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  font-weight: 500;
}
.trust-item i { color: var(--accent); font-size: 0.85rem; }

/* ============================================================
   STATS BAR
   ============================================================ */
#stats {
  background: var(--blue);
  padding: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-color: rgba(255,255,255,0.1);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 20px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.15);
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(21, 101, 192, 0.2);
}

.service-icon-wrap {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(21, 101, 192, 0.1), rgba(0, 172, 193, 0.1));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--blue);
}

.service-card h3 { color: var(--navy); margin-bottom: 10px; }
.service-card p  { color: var(--gray-600); font-size: 0.9rem; margin-bottom: 20px; }

.service-list {
  flex: 1;
  margin-bottom: 24px;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-700);
  font-size: 0.875rem;
  padding: 5px 0;
}
.service-list li i {
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: 0.875rem;
  font-weight: 600;
  transition: gap var(--transition), color var(--transition);
  margin-top: auto;
}
.service-link:hover { color: var(--accent); gap: 10px; }

/* ============================================================
   WHY US
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.why-content .badge { margin-bottom: 16px; }
.why-content h2 { color: var(--white); margin-bottom: 16px; }
.why-content > p  { color: rgba(255,255,255,0.7); margin-bottom: 40px; font-size: 1.05rem; }

.why-points { display: flex; flex-direction: column; gap: 28px; }

.why-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 172, 193, 0.15);
  border: 1px solid rgba(0, 172, 193, 0.25);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.why-point h4 { color: var(--white); margin-bottom: 6px; }
.why-point p  { color: rgba(255,255,255,0.65); font-size: 0.875rem; }

/* Metric cards */
.why-metrics {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  transition: background var(--transition), transform var(--transition);
}
.metric-card:hover {
  background: rgba(255,255,255,0.10);
  transform: translateX(4px);
}

.metric-card > i {
  font-size: 1.8rem;
  color: var(--accent);
  flex-shrink: 0;
  width: 40px;
  text-align: center;
}

.metric-info { display: flex; flex-direction: column; }

.metric-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}
.metric-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

/* ============================================================
   INDUSTRIES
   ============================================================ */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.industry-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.industry-card:hover {
  background: var(--white);
  border-color: rgba(21, 101, 192, 0.3);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.industry-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--accent) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--white);
  margin: 0 auto 18px;
}

.industry-card h4 { color: var(--navy); margin-bottom: 8px; }
.industry-card p  { color: var(--gray-600); font-size: 0.875rem; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonial-slider {
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease;
  will-change: transform;
}

.testimonial-card {
  flex: 0 0 100%;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: 48px;
  backdrop-filter: blur(10px);
}

.stars { color: #FFC107; font-size: 1rem; margin-bottom: 20px; display: flex; gap: 3px; }

.testimonial-card blockquote {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.92);
  font-style: italic;
  margin-bottom: 28px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.author-info { display: flex; flex-direction: column; }
.author-info strong { color: var(--white); font-size: 0.95rem; }
.author-info span   { color: rgba(255,255,255,0.6); font-size: 0.8rem; }

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.slider-btn {
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: background var(--transition);
}
.slider-btn:hover { background: rgba(255,255,255,0.25); }

.slider-dots { display: flex; gap: 8px; }
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transition: background var(--transition), width var(--transition);
  border: none;
}
.slider-dot.active {
  background: var(--white);
  width: 22px;
  border-radius: 4px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info .badge { margin-bottom: 16px; }
.contact-info h2 { color: var(--navy); margin-bottom: 14px; }
.contact-info > p { color: var(--gray-600); font-size: 1.05rem; margin-bottom: 36px; }

.contact-details { display: flex; flex-direction: column; gap: 20px; }

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: rgba(21, 101, 192, 0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}

.contact-detail strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-600);
  margin-bottom: 2px;
}
.contact-detail a   { color: var(--navy); font-weight: 500; transition: color var(--transition); }
.contact-detail a:hover { color: var(--blue); }
.contact-detail span { color: var(--gray-700); font-size: 0.9rem; }

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }

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

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
}

.required { color: var(--blue); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--gray-900);
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.1);
}

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

/* Honeypot spam prevention */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0 !important;
  pointer-events: none !important;
  tabindex: -1 !important;
}

.form-status {
  font-size: 0.875rem;
  text-align: center;
  padding: 10px;
  border-radius: var(--radius);
  display: none;
}
.form-status.success {
  display: block;
  background: #D1FAE5;
  color: #065F46;
}
.form-status.error {
  display: block;
  background: #FEE2E2;
  color: #991B1B;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer { background: var(--gray-900); color: var(--white); }

.footer-top { padding: 80px 0 60px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
}

.footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  display: block;
  margin-bottom: 14px;
}
.footer-logo span { color: var(--accent); }

.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 280px;
}

.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }

.footer-col h5 {
  color: rgba(255,255,255,0.5);
  margin-bottom: 18px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }

.footer-contact-list { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
}
.footer-contact-list li i {
  color: var(--accent);
  margin-top: 3px;
  flex-shrink: 0;
  width: 14px;
}
.footer-contact-list li a {
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-contact-list li a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-bottom p { color: rgba(255,255,255,0.45); font-size: 0.8rem; }

.footer-legal { display: flex; gap: 20px; }
.footer-legal a {
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem;
  transition: color var(--transition);
}
.footer-legal a:hover { color: var(--white); }

/* ============================================================
   CHAT WIDGET
   ============================================================ */
.chat-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

/* Bubble trigger button */
.chat-bubble {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--accent) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(21, 101, 192, 0.45);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}
.chat-bubble:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(21, 101, 192, 0.55);
}

.chat-bubble i {
  font-size: 1.35rem;
  color: var(--white);
  transition: opacity var(--transition), transform var(--transition);
  position: absolute;
}
.chat-open-icon  { opacity: 1; transform: scale(1); }
.chat-close-icon { opacity: 0; transform: scale(0.5); }

.chat-widget.open .chat-open-icon  { opacity: 0; transform: scale(0.5); }
.chat-widget.open .chat-close-icon { opacity: 1; transform: scale(1); }

.chat-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 20px;
  height: 20px;
  background: #EF4444;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--white);
  transition: transform var(--transition), opacity var(--transition);
}
.chat-badge.hidden { transform: scale(0); opacity: 0; }

/* Chat window */
.chat-window {
  width: 360px;
  max-height: 520px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  transform-origin: bottom right;
}

.chat-widget.open .chat-window {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* Chat header */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--navy-mid) 100%);
  flex-shrink: 0;
}

.chat-header-left { display: flex; align-items: center; gap: 12px; }

.chat-avatar-wrap {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--white);
}

.chat-header-info { display: flex; flex-direction: column; }
.chat-header-info strong { color: var(--white); font-size: 0.9rem; }
.chat-online {
  color: rgba(255,255,255,0.7);
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  gap: 5px;
}
.chat-online i { color: #4ADE80; font-size: 0.5rem; }

.chat-close-btn {
  width: 30px;
  height: 30px;
  background: rgba(255,255,255,0.12);
  border-radius: 50%;
  color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: background var(--transition);
}
.chat-close-btn:hover { background: rgba(255,255,255,0.22); color: var(--white); }

/* Messages area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 4px; }

.chat-msg {
  max-width: 82%;
  display: flex;
  flex-direction: column;
  gap: 3px;
  animation: msgSlide 0.25s ease;
}

@keyframes msgSlide {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-msg.bot  { align-self: flex-start; }
.chat-msg.user { align-self: flex-end; }

.chat-msg-text {
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.875rem;
  line-height: 1.5;
  word-break: break-word;
}

.chat-msg.bot  .chat-msg-text { background: var(--gray-100); color: var(--gray-900); border-bottom-left-radius: 4px; }
.chat-msg.user .chat-msg-text { background: var(--blue); color: var(--white); border-bottom-right-radius: 4px; }

.chat-msg-time {
  font-size: 0.68rem;
  color: var(--gray-400);
}
.chat-msg.user .chat-msg-time { text-align: right; }

/* Quick reply buttons */
.chat-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 18px 8px;
}

.quick-reply-btn {
  background: transparent;
  border: 1.5px solid var(--blue);
  color: var(--blue);
  border-radius: 100px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.quick-reply-btn:hover { background: var(--blue); color: var(--white); }

/* Escalation form */
.chat-escalate-form {
  padding: 14px 18px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--gray-50);
  flex-shrink: 0;
}

.escalate-prompt {
  font-size: 0.82rem;
  color: var(--gray-700);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}
.escalate-prompt i { color: var(--blue); }

.chat-escalate-form input {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
}
.chat-escalate-form input:focus { border-color: var(--blue); }

.escalate-actions { display: flex; gap: 8px; align-items: center; }
.escalate-actions .btn-primary { flex: 1; padding: 9px 14px; font-size: 0.82rem; justify-content: center; }

.btn-text-cancel {
  font-size: 0.8rem;
  color: var(--gray-600);
  text-decoration: underline;
  padding: 4px;
  transition: color var(--transition);
}
.btn-text-cancel:hover { color: var(--gray-900); }

/* Chat input */
.chat-input-area {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-top: 1px solid var(--gray-200);
  gap: 8px;
  flex-shrink: 0;
}

.chat-input-area input {
  flex: 1;
  border: 1.5px solid var(--gray-200);
  border-radius: 100px;
  padding: 9px 16px;
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition);
  background: var(--gray-50);
}
.chat-input-area input:focus { border-color: var(--blue); background: var(--white); }

.chat-input-area button {
  width: 38px;
  height: 38px;
  background: var(--blue);
  border-radius: 50%;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition);
}
.chat-input-area button:hover { background: var(--accent); transform: scale(1.05); }

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 10px 14px;
  background: var(--gray-100);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  width: fit-content;
}
.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--gray-400);
  border-radius: 50%;
  animation: typingBounce 1.2s infinite ease;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-5px); }
}

/* ============================================================
   RESPONSIVE — TABLET (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid   { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid     { grid-template-columns: 1fr 1fr; gap: 36px; }
  .why-grid        { gap: 48px; }
  .contact-grid    { gap: 48px; }
  .stats-grid      { grid-template-columns: repeat(2, 1fr); }
  .stat-item       { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .stat-item:nth-child(odd)  { border-right: 1px solid rgba(255,255,255,0.15); }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4)    { border-bottom: none; }
}

/* ============================================================
   RESPONSIVE — MOBILE (max 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .section { padding: 64px 0; }

  /* Nav */
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 24px;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow-xl);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link, .nav-phone {
    padding: 14px 4px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-radius: 0;
    font-size: 1rem;
    display: block;
  }

  .nav-menu .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 12px;
    padding: 14px;
    font-size: 1rem;
  }

  /* Hero */
  .hero-content { padding: 60px 0 40px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-trust { flex-direction: column; gap: 10px; }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Why Us */
  .why-grid { grid-template-columns: 1fr; gap: 40px; }

  /* Industries */
  .industries-grid { grid-template-columns: repeat(2, 1fr); }

  /* Testimonials */
  .testimonial-card { padding: 32px 24px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }

  /* Chat */
  .chat-widget { bottom: 20px; right: 16px; }
  .chat-window { width: calc(100vw - 32px); max-height: 480px; }
}

@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.9rem; }
}

/* ============================================================
   DROPDOWN NAV
   ============================================================ */
.has-dropdown { position: relative; }

.nav-arrow {
  font-size: 0.65rem;
  transition: transform var(--transition);
  margin-left: 2px;
}
.has-dropdown:hover .nav-arrow,
.has-dropdown.open .nav-arrow { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: -8px;
  background: var(--navy);
  border-radius: var(--radius);
  padding: 8px 0;
  min-width: 240px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  border-top: 2px solid var(--accent);
  z-index: 200;
}

.has-dropdown:hover .dropdown,
.has-dropdown.open    .dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.dropdown li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.78);
  transition: color var(--transition), background var(--transition), padding-left var(--transition);
  white-space: nowrap;
}
.dropdown li a i {
  width: 16px;
  text-align: center;
  color: var(--accent);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.dropdown li a:hover {
  background: rgba(255,255,255,0.07);
  color: var(--white);
  padding-left: 26px;
}

/* Active nav highlight */
.nav-active { color: var(--accent) !important; }
.has-dropdown.active > .nav-link { color: var(--accent); }

/* Mobile dropdown behavior */
@media (max-width: 768px) {
  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: all;
    box-shadow: none;
    border-top: none;
    border-left: 2px solid var(--accent);
    background: rgba(255,255,255,0.04);
    border-radius: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .has-dropdown.open .dropdown { max-height: 500px; }
  .dropdown li a { padding: 10px 24px; font-size: 0.95rem; }
  .dropdown li a:hover { padding-left: 30px; }
}

/* ============================================================
   INNER PAGE — PAGE BANNER
   ============================================================ */
.page-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 80px 0 56px;
  margin-top: var(--header-h);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.page-banner-inner { position: relative; z-index: 1; }

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
}
.breadcrumb-nav a   { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.breadcrumb-nav a:hover { color: var(--accent); }
.breadcrumb-nav .sep { color: rgba(255,255,255,0.3); font-size: 0.65rem; }
.breadcrumb-nav .crumb-current { color: var(--accent); }

.page-banner h1 { color: var(--white); font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
.page-banner .page-subtitle { color: rgba(255,255,255,0.72); font-size: 1.08rem; max-width: 600px; }

/* ============================================================
   INNER PAGE — CONTENT
   ============================================================ */
.inner-content { padding: 72px 0; }
.inner-content h2 { color: var(--navy); margin-bottom: 16px; }
.inner-content h3 { color: var(--navy); margin-bottom: 12px; font-size: 1.15rem; }
.inner-content p  { color: var(--gray-600); line-height: 1.78; margin-bottom: 18px; }

.content-list {
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.content-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--gray-700);
  font-size: 0.95rem;
  line-height: 1.6;
}
.content-list li i {
  color: var(--accent);
  font-size: 0.8rem;
  margin-top: 5px;
  flex-shrink: 0;
}

/* Two-column layouts */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.content-grid.wide { grid-template-columns: 1.4fr 1fr; }

/* Feature cards grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 48px 0;
}
.feature-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: all var(--transition);
}
.feature-card:hover {
  background: var(--white);
  border-color: rgba(21, 101, 192, 0.25);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.feat-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(21,101,192,0.12), rgba(0,172,193,0.12));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--blue);
  margin: 0 auto 14px;
}
.feature-card h4 { color: var(--navy); margin-bottom: 8px; }
.feature-card p  { color: var(--gray-600); font-size: 0.875rem; margin: 0; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--blue) 0%, var(--navy) 100%);
  padding: 72px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 14px; }
.cta-banner p  { color: rgba(255,255,255,0.75); font-size: 1.05rem; max-width: 560px; margin: 0 auto 32px; }
.cta-actions   { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* Related services links */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.related-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
  color: var(--navy);
  font-weight: 500;
  font-size: 0.875rem;
}
.related-card i { color: var(--accent); width: 18px; text-align: center; }
.related-card:hover {
  background: var(--white);
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
  color: var(--blue);
  transform: translateX(3px);
}

/* Divider */
.section-divider { border: none; border-top: 1px solid var(--gray-200); margin: 48px 0; }

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(21,101,192,0.2);
}

.blog-card-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.35);
}
.blog-card-img.grad-1 { background: linear-gradient(135deg, #1565C0 0%, #00ACC1 100%); }
.blog-card-img.grad-2 { background: linear-gradient(135deg, #0D1B2A 0%, #1565C0 100%); }
.blog-card-img.grad-3 { background: linear-gradient(135deg, #00838F 0%, #1565C0 100%); }
.blog-card-img.grad-4 { background: linear-gradient(135deg, #1565C0 0%, #0D1B2A 100%); }
.blog-card-img.grad-5 { background: linear-gradient(135deg, #00ACC1 0%, #0D1B2A 100%); }

.blog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.75rem;
  color: var(--gray-400);
}
.blog-cat {
  background: rgba(21,101,192,0.08);
  color: var(--blue);
  padding: 3px 8px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-card h3 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.45;
}
.blog-card p {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}
.blog-read-more {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition), color var(--transition);
  margin-top: auto;
}
.blog-read-more:hover { color: var(--accent); gap: 8px; }

/* Blog post single */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 56px;
  align-items: start;
}

.post-content h2 { font-size: 1.45rem; color: var(--navy); margin: 36px 0 14px; }
.post-content h3 { font-size: 1.15rem; color: var(--navy); margin: 28px 0 10px; }
.post-content p  { color: var(--gray-700); font-size: 1rem; line-height: 1.82; margin-bottom: 22px; }
.post-content ul,
.post-content ol { margin: 0 0 22px 20px; }
.post-content ul li,
.post-content ol li { color: var(--gray-700); line-height: 1.75; margin-bottom: 8px; }
.post-content ul li { list-style: disc; }
.post-content ol li { list-style: decimal; }
.post-content strong { color: var(--navy); }

.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 32px;
  font-size: 0.82rem;
  color: var(--gray-600);
}
.post-meta span { display: flex; align-items: center; gap: 5px; }
.post-meta i { color: var(--accent); }

.post-sidebar { position: sticky; top: calc(var(--header-h) + 24px); }

.sidebar-widget {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-widget h4 {
  color: var(--navy);
  font-size: 0.9rem;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
}
.sidebar-post {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
}
.sidebar-post:last-child { border-bottom: none; }
.sidebar-post a {
  color: var(--navy);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  transition: color var(--transition);
}
.sidebar-post a:hover { color: var(--blue); }
.sidebar-post span { font-size: 0.75rem; color: var(--gray-400); }

.sidebar-cta {
  background: linear-gradient(135deg, var(--blue) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
}
.sidebar-cta h4 { color: var(--white); margin-bottom: 10px; }
.sidebar-cta p  { color: rgba(255,255,255,0.75); font-size: 0.875rem; margin-bottom: 18px; }
.sidebar-cta .btn { width: 100%; justify-content: center; }

/* ============================================================
   INNER PAGE RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid    { grid-template-columns: repeat(2, 1fr); }
  .content-grid { grid-template-columns: 1fr; gap: 40px; }
  .post-layout  { grid-template-columns: 1fr; gap: 40px; }
  .post-sidebar { position: static; }
}

@media (max-width: 768px) {
  .feature-grid  { grid-template-columns: 1fr; }
  .related-grid  { grid-template-columns: 1fr; }
  .blog-grid     { grid-template-columns: 1fr; }
  .page-banner   { padding: 56px 0 36px; }
  .inner-content { padding: 48px 0; }
  .cta-banner    { padding: 48px 0; }
}