/* =========================================================
   ITGENICS — Premium Enterprise Design System
   ========================================================= */

/* CSS Variables */
:root {
  --primary: #0A0A0A;
  --secondary: #111827;
  --accent: #2563EB;
  --accent-electric: #3B82F6;
  --white: #FFFFFF;
  --grey: #D1D5DB;
  --muted: #9CA3AF;
  --dark-surface: #0B0F19;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-strong: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--primary);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video, canvas { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Background ambience */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 45%),
    radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 45%),
    linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
}
.page-bg::before {
  content: '';
  position: absolute;
  inset: -50%;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(37, 99, 235, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(59, 130, 246, 0.12) 0%, transparent 50%);
  animation: aurora 18s ease-in-out infinite alternate;
  z-index: -1;
}

/* Subtle film grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  opacity: 0.04;
}

/* Typography */
.text-display {
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.text-gradient {
  background: linear-gradient(135deg, var(--white) 0%, var(--accent-electric) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gradient-hero {
  background: linear-gradient(135deg, #ffffff 0%, #93c5fd 55%, #3b82f6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-muted { color: var(--muted); }
.text-grey { color: var(--grey); }

/* Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 120px 0; position: relative; }
.section-alt { background: rgba(17, 24, 39, 0.45); }
.section-header { text-align: center; max-width: 800px; margin: 0 auto 72px; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-electric);
  border: 1px solid var(--glass-border);
  background: var(--glass);
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 18px;
}
.section-subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--muted);
  line-height: 1.7;
}

/* Grid & Flex utilities */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.hidden-mobile { display: flex; }
.text-center { text-align: center; }

/* Glass card */
.glass {
  background: var(--glass);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}
.glass-strong {
  background: var(--glass-strong);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border);
}

/* Cards */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), transparent 40%, rgba(59,130,246,0.18));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow), 0 0 40px rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.35); }
.card:hover::before { opacity: 1; }
.card {
  display: flex;
  flex-direction: column;
}
.card-text { flex: 1 1 auto; }
.card .btn { margin-top: auto !important; }
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(37,99,235,0.25), rgba(59,130,246,0.12));
  border: 1px solid rgba(59,130,246,0.25);
  color: var(--accent-electric);
  transition: transform var(--transition);
}
.card:hover .card-icon { transform: scale(1.08) rotate(-3deg); }
.card-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; }
.card-text { color: var(--muted); line-height: 1.7; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-electric) 100%);
  color: var(--white);
  border: 1px solid rgba(59,130,246,0.5);
  box-shadow: 0 8px 24px rgba(37,99,235,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(37,99,235,0.45); animation: pulse-glow 2s infinite; }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--glass-border);
}
.btn-outline:hover { background: var(--glass-strong); border-color: rgba(255,255,255,0.25); transform: translateY(-2px); }
.btn-glass {
  background: var(--glass);
  color: var(--white);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-glass:hover { background: var(--glass-strong); border-color: rgba(255,255,255,0.25); transform: translateY(-2px); }
.btn-lg { padding: 18px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--glass-border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(59,130,246,0.4) 50%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.header.scrolled::after { opacity: 1; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 44px; width: auto; }
.logo-text { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; justify-content: space-evenly; flex: 1; margin: 0 48px; gap: 0; }
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--grey);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--white); background: var(--glass-strong); }
.mega-toggle:hover .nav-link { color: var(--white); background: var(--glass-strong); }
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent-electric);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}
.nav-link:hover::after, .nav-link.active::after, .mega-toggle:hover .nav-link::after { transform: scaleX(1); transform-origin: left; }

/* Mega menu */
.mega-toggle { position: relative; }
.mega-toggle::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 12px;
}
.mega-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 560px;
  max-width: calc(100vw - 40px);
  padding: 24px;
  border-radius: var(--radius-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  pointer-events: none;
}
.mega-toggle:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.mega-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.mega-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.mega-item:hover { background: var(--glass); }
.mega-item i { color: var(--accent-electric); font-size: 1.1rem; margin-top: 3px; }
.mega-item span { font-weight: 600; font-size: 0.95rem; color: var(--white); }
.mega-item p { font-size: 0.82rem; color: var(--muted); margin-top: 2px; }

/* Mobile menu */
.menu-btn { display: none; flex-direction: column; gap: 5px; padding: 8px; color: var(--white); }
.menu-btn span { display: block; width: 24px; height: 2px; background: currentColor; transition: var(--transition); }
.mobile-menu {
  position: fixed;
  inset: 76px 0 0;
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(24px);
  padding: 24px;
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 999;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .nav-link { display: block; font-size: 1.15rem; padding: 16px 0; border-bottom: 1px solid var(--glass-border); border-radius: 0; }
.mobile-menu .nav-link:hover { background: transparent; }
.mobile-menu .mega-grid { grid-template-columns: 1fr; margin-top: 12px; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 76px;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media video, .hero-media .hero-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(10,10,10,0.35) 0%, rgba(10,10,10,0.65) 60%, var(--primary) 100%);
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 980px; }
.hero-title { font-size: clamp(2.75rem, 7vw, 5.5rem); font-weight: 900; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 24px; }
.hero-subtitle { font-size: clamp(1.1rem, 2vw, 1.45rem); color: var(--grey); max-width: 740px; margin: 0 auto 40px; line-height: 1.65; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 56px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}
.hero-trust span { display: flex; align-items: center; gap: 8px; }

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 998;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-electric));
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(37,99,235,0.45);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: floatCta 4s ease-in-out infinite;
}
.floating-cta:hover { transform: translateY(-4px) scale(1.03); box-shadow: 0 16px 40px rgba(37,99,235,0.55); }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 94px;
  right: 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--white);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 998;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent); border-color: rgba(59,130,246,0.5); transform: translateY(-2px); }

@keyframes floatCta {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Stats / counters */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 28px; border-radius: var(--radius-lg); }
.stat-value { font-size: 2.8rem; font-weight: 800; color: var(--white); line-height: 1; }
.stat-value .suffix { color: var(--accent-electric); }
.stat-label { margin-top: 10px; color: var(--muted); font-size: 0.95rem; }

/* Process timeline */
.timeline { position: relative; max-width: 900px; margin: 0 auto; }
.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--accent-electric), transparent);
  transform: translateX(-50%);
}
.timeline-item { position: relative; width: 50%; padding: 0 48px 64px; }
.timeline-item:nth-child(odd) { margin-left: 0; text-align: right; }
.timeline-item:nth-child(even) { margin-left: 50%; text-align: left; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-electric);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.25);
}
.timeline-item:nth-child(odd) .timeline-dot { right: -9px; }
.timeline-item:nth-child(even) .timeline-dot { left: -9px; }
.timeline-step {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-electric);
  margin-bottom: 8px;
}
.timeline-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.timeline-text { color: var(--muted); line-height: 1.7; }

/* CTA section */
.cta-section { text-align: center; padding: 140px 0; overflow: hidden; }
.cta-section .section-title { margin-bottom: 20px; }
.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(37,99,235,0.12) 0%, transparent 60%);
  pointer-events: none;
}

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.9rem; font-weight: 500; color: var(--grey); margin-bottom: 8px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--white);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--muted); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-electric);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12);
}
.form-select option { background: var(--secondary); color: var(--white); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* Contact cards */
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.03);
  transition: background var(--transition), transform var(--transition);
}
.contact-card:hover { background: var(--glass); transform: translateY(-3px); }
.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37,99,235,0.25), rgba(59,130,246,0.12));
  color: var(--accent-electric);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.contact-card p, .contact-card a { color: var(--muted); font-size: 0.95rem; transition: color var(--transition); }
.contact-card a:hover { color: var(--accent-electric); }

/* Map embed */
.map-wrapper { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--glass-border); }
.map-wrapper iframe { width: 100%; height: 360px; border: 0; filter: grayscale(0.6) invert(0.92) contrast(1.1); }

/* Footer */
.footer { padding: 80px 0 32px; border-top: 1px solid var(--glass-border); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-logo img { height: 42px; }
.footer-desc { color: var(--muted); font-size: 0.95rem; line-height: 1.7; max-width: 320px; }
.footer-title { font-size: 1rem; font-weight: 700; margin-bottom: 20px; color: var(--white); }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: var(--muted); font-size: 0.95rem; transition: color var(--transition), transform var(--transition); display: inline-block; }
.footer-links a:hover { color: var(--accent-electric); transform: translateX(3px); }
.footer-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 0.88rem; flex-wrap: wrap; gap: 12px; }

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0.35); }
  50% { box-shadow: 0 0 0 12px rgba(59,130,246,0); }
}
@keyframes aurora {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5%, 5%) scale(1.08); }
  100% { transform: translate(0, 0) scale(1); }
}
.animate-fade-in { animation: fadeIn 0.8s ease-out forwards; }
.animate-fade-up { animation: fadeInUp 0.8s ease-out forwards; }

/* AOS-like reveal */
[data-aos] { opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease; }
[data-aos="fade-up"] { transform: translateY(30px); }
[data-aos="fade-down"] { transform: translateY(-20px); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="zoom-in"] { transform: scale(0.96); }
[data-aos].aos-animate { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1024px) {
  .nav { display: none; }
  .menu-btn { display: flex; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item { width: 100%; margin-left: 0 !important; padding-left: 56px; padding-right: 0; text-align: left !important; }
  .timeline-item .timeline-dot { left: 11px !important; right: auto !important; }
}
@media (max-width: 768px) {
  .section { padding: 84px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .mega-menu { display: none; }
  .floating-cta { bottom: 20px; right: 20px; padding: 12px 18px; font-size: 0.9rem; }
  .hidden-mobile { display: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}