/* MODERN DESIGNS FOR INDOBYTE CONN LLP */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

:root {
  /* Color Palette */
  --primary: #676e3d;       /* Premium Sage Green */
  --primary-rgb: 103, 110, 61;
  --secondary: #1e293b;     /* Elegant Slate */
  --secondary-rgb: 30, 41, 59;
  --accent: #b45309;        /* Warm Terracotta/Bronze */
  
  --bg-light: #fafaf9;      /* Off-white Warm Alabaster */
  --bg-card: #ffffff;
  
  --text-primary: #1c1917;  /* Stone 900 */
  --text-secondary: #44403c;/* Stone 700 */
  --text-muted: #78716c;    /* Stone 500 */
  
  /* Borders & Shadows */
  --border-color: rgba(103, 110, 61, 0.12);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(103, 110, 61, 0.06);
  --shadow-lg: 0 20px 50px rgba(30, 41, 59, 0.1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-serif: 'Playfair Display', serif;
  
  --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-light);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(250, 250, 249, 0.95);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 1px;
  color: var(--primary);
}

.logo span {
  font-weight: 300;
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  background-color: var(--primary);
  color: #ffffff;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(103, 110, 61, 0.2);
}

.nav-cta:hover {
  background-color: #535931;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(103, 110, 61, 0.3);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1100;
}

.mobile-toggle span {
  width: 25px;
  height: 2.5px;
  background-color: var(--secondary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero-sec {
  min-height: 85vh;
  padding-top: 8rem;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(103, 110, 61, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(30, 41, 59, 0.03) 0%, transparent 50%);
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  background-color: rgba(103, 110, 61, 0.08);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  line-height: 1.2;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 90%;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(103, 110, 61, 0.2);
}

.btn-primary:hover {
  background-color: #535931;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(103, 110, 61, 0.3);
}

.btn-secondary {
  border: 2px solid var(--secondary);
  color: var(--secondary);
  background-color: transparent;
}

.btn-secondary:hover {
  background-color: var(--secondary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(30, 41, 59, 0.1);
}

.hero-visual {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

.brand-visual-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: 100%;
  max-width: 420px;
}

.brand-grid-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 120px;
}

.brand-grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(103, 110, 61, 0.25);
}

.brand-grid-tag {
  position: absolute;
  top: 10px;
  left: 15px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.brand-grid-img {
  max-width: 75%;
  max-height: 70px;
  object-fit: contain;
  margin-top: 1rem;
}

.tech-visual-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
}

.tech-icon {
  font-size: 1.75rem;
}

.tech-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary);
}

/* Sections Base Styling */
.section {
  padding: 6rem 2rem;
}

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

.section-dark {
  background-color: #f5f5f4;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-subtitle {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Verticals Grid */
.verticals-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4.5rem;
}

.vertical-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.vertical-card:nth-child(even) {
  direction: rtl;
}

.vertical-card:nth-child(even) .vertical-content {
  direction: ltr;
}

.vertical-img-container {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  max-height: 320px;
  height: 280px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ffffff;
  border: 1px solid rgba(103, 110, 61, 0.08);
  transition: var(--transition);
  padding: 1.5rem;
}

.vertical-img-container:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.vertical-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.vertical-img-container:hover .vertical-img {
  transform: scale(1.02);
}

.vertical-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background-color: rgba(103, 110, 61, 0.06);
  border: 1px solid var(--border-color);
  color: var(--primary);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.vertical-card-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.vertical-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.vertical-features {
  list-style: none;
  margin-bottom: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.vertical-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
}

.vertical-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
}

.vertical-link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  position: relative;
  padding-bottom: 4px;
  font-size: 0.9rem;
}

.vertical-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

.vertical-link:hover::after {
  width: 100%;
}

/* CMT Impact Section */
.impact-container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.impact-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.step-card {
  position: relative;
  padding: 2.5rem;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid rgba(103, 110, 61, 0.06);
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.step-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: rgba(103, 110, 61, 0.15);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 1rem;
  display: block;
}

.step-title {
  font-size: 1.25rem;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Values/Trust Area */
.values-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.value-card {
  background: var(--bg-card);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.value-icon {
  width: 60px;
  height: 60px;
  background: rgba(103, 110, 61, 0.08);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
  font-size: 1.5rem;
  font-weight: 700;
}

.value-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.value-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Contact Us Section */
.contact-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 2.5rem 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon-wrapper {
  width: 44px;
  height: 44px;
  background: rgba(103, 110, 61, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

.contact-text h5 {
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.contact-text p, .contact-text a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--secondary);
}

.contact-text a:hover {
  color: var(--primary);
}

.whatsapp-card {
  background: #e8f5e9;
  border: 1px solid #c8e6c9;
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.whatsapp-content h4 {
  color: #1b5e20;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.whatsapp-content p {
  color: #388e3c;
  font-size: 0.9rem;
}

.btn-whatsapp {
  background-color: #25d366;
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
  background-color: #128c7e;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}

.contact-form-wrapper {
  background: var(--bg-card);
  padding: 4rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.75rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(30, 41, 59, 0.12);
  border-radius: var(--radius-sm);
  background-color: var(--bg-light);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--secondary);
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background-color: white;
  box-shadow: 0 0 0 4px rgba(103, 110, 61, 0.1);
}

textarea.form-input {
  resize: vertical;
  min-height: 150px;
}

/* Footer styling */
footer {
  background-color: var(--secondary);
  color: #ffffff;
  padding: 6rem 2rem 2rem 2rem;
}

.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-logo span {
  color: #a3a884;
}

.footer-desc {
  color: #94a3b8;
  max-width: 320px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.85rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 5px;
}

.footer-bottom {
  max-width: 1280px;
  margin: 2rem auto 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #64748b;
  font-size: 0.9rem;
}

/* Image Fallbacks / Logos */
.logo-image-box {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  background: white;
}

.logo-fallback-text {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
}

/* Mobile responsive */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .vertical-card, .vertical-card:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 3rem;
    direction: ltr;
  }
  
  .impact-steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-light);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* CUSTOMER CENTRIC CHAIN DIAGRAM */
.customer-chain-diagram {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 250px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle at center, #ffffff 0%, #faf9f6 100%);
  overflow: hidden;
}

.chain-center {
  position: absolute;
  z-index: 10;
}

.center-core {
  width: 90px;
  height: 90px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 3px solid #ffffff;
  box-shadow: 0 0 25px rgba(103, 110, 61, 0.4);
  animation: corePulse 3s infinite ease-in-out;
}

.core-title {
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.core-subtitle {
  color: #cdd4a6;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.chain-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 5;
  transition: var(--transition);
}

.chain-node:hover {
  transform: scale(1.1);
}

.node-circle {
  width: 44px;
  height: 44px;
  background: #ffffff;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.15rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.chain-node:hover .node-circle {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(103, 110, 61, 0.25);
  background: #fcfdfa;
}

.node-num {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 50%;
  font-size: 0.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #ffffff;
}

.node-text {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.4rem;
  background: rgba(255, 255, 255, 0.9);
  padding: 2px 6px;
  border-radius: 10px;
}

/* Outer node coordinate mappings */
.node-1 {
  top: 20px;
  left: calc(50% - 22px);
  animation: floatN1 4s infinite ease-in-out;
}

.node-2 {
  top: calc(50% - 32px);
  right: 35px;
  animation: floatN2 4s infinite ease-in-out;
}

.node-3 {
  bottom: 35px;
  left: calc(50% - 22px);
  animation: floatN3 4s infinite ease-in-out;
}

.node-4 {
  top: calc(50% - 32px);
  left: 35px;
  animation: floatN4 4s infinite ease-in-out;
}

.chain-svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}

.chain-loop {
  animation: rotateDashes 40s linear infinite;
  transform-origin: center;
}

.spoke-line {
  stroke: rgba(103, 110, 61, 0.1);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.chain-node:hover ~ .chain-svg .spoke-line {
  stroke: rgba(103, 110, 61, 0.3);
}

/* Animations */
@keyframes corePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 20px rgba(103, 110, 61, 0.3);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 35px rgba(103, 110, 61, 0.55);
  }
}

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

@keyframes floatN1 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes floatN2 { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(4px); } }
@keyframes floatN3 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }
@keyframes floatN4 { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(-4px); } }


/* IT INTEGRATOR ACTIVE DIAGRAM */
.it-integrator-diagram {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 250px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle at center, #0f172a 0%, #1e293b 100%);
  overflow: hidden;
}

.it-hub {
  position: absolute;
  z-index: 10;
}

.hub-core {
  width: 80px;
  height: 80px;
  background: #334155;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.5);
  animation: hubPulse 2.5s infinite ease-in-out;
}

.hub-icon {
  font-size: 1.4rem;
  animation: spinGear 6s linear infinite;
  display: inline-block;
}

.hub-title {
  color: #94a3b8;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}

.it-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 5;
  transition: var(--transition);
}

.it-node:hover {
  transform: scale(1.12);
}

.it-icon {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.it-node:hover .it-icon {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

.it-label {
  font-size: 0.55rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-top: 0.35rem;
  white-space: nowrap;
}

/* Place nodes at corners */
.node-laptop {
  top: 25px;
  left: 25px;
}

.node-printer {
  top: 25px;
  right: 25px;
}

.node-projector {
  bottom: 25px;
  right: 25px;
}

.node-accessories {
  bottom: 25px;
  left: 25px;
}

.it-svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}

.net-path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 2;
}

.pulse-dot {
  fill: #38bdf8;
  filter: drop-shadow(0 0 3px #38bdf8);
}

/* Animations for pulses traveling on lines */
.dot-1 { animation: travel-1 2s infinite linear; }
.dot-2 { animation: travel-2 2s infinite linear; animation-delay: 0.5s; }
.dot-3 { animation: travel-3 2s infinite linear; animation-delay: 1s; }
.dot-4 { animation: travel-4 2s infinite linear; animation-delay: 1.5s; }

@keyframes travel-1 {
  0% { cx: 150; cy: 150; }
  100% { cx: 70; cy: 70; }
}

@keyframes travel-2 {
  0% { cx: 150; cy: 150; }
  100% { cx: 230; cy: 70; }
}

@keyframes travel-3 {
  0% { cx: 150; cy: 150; }
  100% { cx: 230; cy: 230; }
}

@keyframes travel-4 {
  0% { cx: 150; cy: 150; }
  100% { cx: 70; cy: 230; }
}

@keyframes hubPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 25px rgba(0, 0, 0, 0.5); }
  50% { transform: scale(1.04); box-shadow: 0 0 35px rgba(56, 189, 248, 0.15); }
}

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