/* ============================================
   MSquare — Premium AI Startup Website
   Apple iOS-inspired Design System
   ============================================ */

/* --- CSS Variables / Theme --- */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
  --gradient: linear-gradient(135deg, #6C63FF 0%, #3B82F6 50%, #06B6D4 100%);
  --gradient-text: linear-gradient(135deg, #6C63FF, #3B82F6, #06B6D4);
  --max-width: 1200px;
}

[data-theme="dark"] {
  --bg: #050507;
  --bg-secondary: #0A0A0F;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.065);
  --bg-glass: rgba(10, 10, 15, 0.8);
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);
  --text: #F0F0F5;
  --text-secondary: #9898A6;
  --text-muted: #606070;
  --glow-blue: rgba(59, 130, 246, 0.08);
  --glow-purple: rgba(108, 99, 255, 0.06);
  --glow-cyan: rgba(6, 182, 212, 0.05);
}

[data-theme="light"] {
  --bg: #F8F9FC;
  --bg-secondary: #EFF1F5;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --bg-glass: rgba(248, 249, 252, 0.8);
  --border: rgba(0, 0, 0, 0.06);
  --border-hover: rgba(0, 0, 0, 0.12);
  --text: #0B0D14;
  --text-secondary: #4A4D5C;
  --text-muted: #8A8D9C;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.08);
  --glow-blue: rgba(59, 130, 246, 0.04);
  --glow-purple: rgba(108, 99, 255, 0.03);
  --glow-cyan: rgba(6, 182, 212, 0.03);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);

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

/* --- Success Modal --- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 100000;
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  padding: 24px;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  max-width: 420px; width: 100%;
  transform: scale(0.85) translateY(20px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}
.modal-overlay.active .modal-card { transform: scale(1) translateY(0); }
.modal-icon { margin-bottom: 24px; }
.modal-check { stroke-dasharray: 40; stroke-dashoffset: 40; animation: none; }
.modal-overlay.active .modal-check { animation: modalCheckDraw 0.6s ease 0.3s forwards; }
@keyframes modalCheckDraw { to { stroke-dashoffset: 0; } }
.modal-card h3 { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.modal-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 28px; }
.modal-close-btn { border-radius: 100px; min-width: 160px; }

/* --- Grain Overlay --- */
.grain-overlay {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}
[data-theme="light"] .grain-overlay { opacity: 0.02; }

/* --- Large Text Marquee --- */
.text-marquee {
  overflow: hidden;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.text-marquee-track {
  display: flex;
  align-items: center;
  gap: 32px;
  width: max-content;
  animation: textMarquee 20s linear infinite;
}
.text-marquee.reverse .text-marquee-track {
  animation-direction: reverse;
}
.text-marquee-track span {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  opacity: 0.08;
  white-space: nowrap;
  text-transform: uppercase;
}
.marquee-dot {
  width: 8px !important; height: 8px;
  background: var(--text);
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
  opacity: 0.15 !important;
  font-size: 0 !important;
}
@keyframes textMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Utility --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Loader --- */
.loader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s;
}
.loader.hidden {
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: scale(1.02);
}
.loader-content {
  text-align: center;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.loader-logo-img {
  width: 400px; height: auto;
  margin-bottom: 32px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  animation: logoPulse 1.5s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}
.loader-bar { display: none; }

/* --- Header / Navigation --- */
.header {
  position: fixed; top: 12px; left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1200px;
  z-index: 1000;
  padding: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s ease;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.header.scrolled {
  top: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 52px;
  padding: 0 8px 0 20px;
}

.nav-logo {
  display: flex; align-items: center;
  z-index: 1001;
  flex: 1;
}
.nav-logo-img {
  height: 104px; width: auto;
}
.footer-logo-img {
  height: 160px; width: auto;
}

/* Theme-based logo switching */
[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark { display: block; }
[data-theme="light"] .logo-dark { display: none; }
[data-theme="light"] .logo-light { display: block; }

.nav-menu {
  display: flex; align-items: center; gap: 2px;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
}
.nav-link {
  padding: 6px 14px;
  font-size: 0.8rem; font-weight: 500;
  color: var(--text-muted);
  border-radius: 100px;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); font-weight: 600; }

.nav-actions {
  display: flex; align-items: center; gap: 12px;
  z-index: 1001;
  flex: 1;
  justify-content: flex-end;
}

.theme-toggle {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.theme-toggle:hover { color: var(--text); }

/* Hamburger */
.hamburger { display: none; width: 38px; height: 38px; position: relative; }
.hamburger span {
  position: absolute; left: 9px;
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger span:nth-child(1) { top: 14px; }
.hamburger span:nth-child(2) { top: 19px; }
.hamburger span:nth-child(3) { top: 24px; }
.hamburger.active span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  font-size: 0.875rem; font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 8px 18px; font-size: 0.8125rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 14px 30px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: none;
}
.btn-primary:hover::before {
  left: 120%;
  transition: left 0.6s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}
.nav-cta {
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 100px;
  box-shadow: none;
  padding: 8px 20px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all var(--transition);
}
.nav-cta:hover {
  opacity: 0.85;
  transform: none;
  box-shadow: none;
}
.nav-cta i {
  transition: transform var(--transition);
  font-size: 0.7rem;
}
.nav-cta:hover i {
  transform: translateX(3px);
}

.btn-glass {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.btn-glass:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 120px 0 100px;
}
.hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(108,99,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(6,182,212,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at center, transparent 0%, var(--bg) 70%);
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 800px; margin: 0 auto;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge i { color: #3B82F6; }

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 600px; margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 40px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat { text-align: center; }
.stat-number {
  display: inline;
  font-size: 2.5rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus {
  display: inline;
  font-size: 2rem; font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.stat-divider {
  width: 1px; height: 48px;
  background: var(--border);
}

/* Scroll Indicator */
.scroll-indicator {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  z-index: 10;
  margin-top: 48px;
}
.mouse {
  width: 26px; height: 40px;
  border: 2px solid var(--text-secondary);
  border-radius: 13px;
  display: flex; justify-content: center; padding-top: 8px;
}
.wheel {
  width: 3px; height: 8px;
  background: var(--text-secondary);
  border-radius: 3px;
  animation: scrollWheel 1.5s ease-in-out infinite;
}
@keyframes aboutGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(8px); }
}

/* --- Sections Common --- */
.section { padding: 120px 0; position: relative; overflow: hidden; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.75rem; font-weight: 700;
  color: #3B82F6;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px; margin: 0 auto;
  line-height: 1.7;
}

/* --- Section Backgrounds --- */
.about::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 70%);
  pointer-events: none;
}
.services {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.services::before {
  content: '';
  position: absolute; bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--glow-purple) 0%, transparent 70%);
  pointer-events: none;
}
.services::after {
  content: '';
  position: absolute; top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--glow-cyan) 0%, transparent 70%);
  pointer-events: none;
}
.how-we-work {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.how-we-work::before {
  content: '';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, var(--glow-blue) 0%, transparent 70%);
  pointer-events: none;
}
.skills::before {
  content: '';
  position: absolute; top: -100px; left: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--glow-purple) 0%, transparent 70%);
  pointer-events: none;
}
.testimonials {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.training {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.training::before {
  content: '';
  position: absolute; top: -100px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--glow-cyan) 0%, transparent 70%);
  pointer-events: none;
}
.careers::before {
  content: '';
  position: absolute; bottom: -150px; left: 50%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 70%);
  pointer-events: none;
}
.contact {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.contact::before {
  content: '';
  position: absolute; top: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--glow-purple) 0%, transparent 70%);
  pointer-events: none;
}
.why-msquare {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-msquare::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 70%);
  pointer-events: none;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.about-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.about-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(59, 130, 246, 0.06), var(--shadow-lg);
}
.about-icon-wrap {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient);
  border-radius: var(--radius);
  font-size: 1.25rem; color: white;
  margin-bottom: 20px;
}
.about-card h3 {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 10px;
}
.about-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.about-locations {
  display: flex; gap: 32px; justify-content: center;
  margin-top: 48px;
}
.location {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-secondary);
}
.location i { color: #3B82F6; }

/* --- Services Section --- */
.services { background: var(--bg-secondary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card::after {
  content: '';
  position: absolute; bottom: -80px; right: -80px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.15);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.1), var(--shadow-lg);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(59, 130, 246, 0.08);
  border-radius: var(--radius);
  font-size: 1.25rem; color: #3B82F6;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem; font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
}

/* --- Technology / Skills Section --- */
.tech-marquee-wrap {
  display: flex; flex-direction: column;
  gap: 20px;
}
.tech-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.tech-logo-card {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  padding: 40px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}
.tech-logo-card i {
  font-size: 2.4rem;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.tech-logo-card span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  transition: color var(--transition);
}
.tech-logo-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.12);
}
.tech-logo-card:hover i {
  transform: scale(1.15);
}
.tech-logo-card:hover span {
  color: var(--text);
}
[data-theme="dark"] .tech-logo-card:hover {
  box-shadow: 0 20px 48px rgba(59, 130, 246, 0.08);
}

/* --- Training Section --- */
.training { background: var(--bg-secondary); }
.training-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.training-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.training-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.training-card.featured {
  border-color: transparent;
  background: rgba(59, 130, 246, 0.04);
  position: relative;
  background-image: linear-gradient(var(--bg-secondary), var(--bg-secondary)), var(--gradient);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border: 2px solid transparent;
}
.training-card.featured::before {
  content: 'Most Popular';
  position: absolute; top: -1px; right: 28px;
  padding: 4px 14px;
  font-size: 0.7rem; font-weight: 700;
  color: white;
  background: var(--gradient);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.training-level {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.75rem; font-weight: 700;
  border-radius: 100px;
  margin-bottom: 18px;
  width: fit-content;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.training-level.beginner { background: rgba(16, 185, 129, 0.1); color: #10B981; }
.training-level.intermediate { background: rgba(59, 130, 246, 0.1); color: #3B82F6; }
.training-level.advanced { background: rgba(168, 85, 247, 0.1); color: #A855F7; }

.training-card h3 {
  font-size: 1.25rem; font-weight: 700;
  margin-bottom: 10px;
}
.training-card > p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}
.training-features {
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 28px; flex: 1;
}
.training-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.875rem; color: var(--text-secondary);
}
.training-features i { color: #10B981; font-size: 0.75rem; }

.cta-card {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.cta-content h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.cta-content p { color: var(--text-secondary); font-size: 0.95rem; }

/* --- Careers Section --- */
.careers-grid {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 800px; margin: 0 auto;
}
.job-card {
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.job-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  border-left-color: #3B82F6;
  box-shadow: 0 12px 36px rgba(59, 130, 246, 0.06), var(--shadow);
  transform: translateX(4px);
}
.job-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 12px;
}
.job-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.job-meta {
  display: flex; gap: 16px;
  font-size: 0.8125rem; color: var(--text-muted);
}
.job-meta span { display: flex; align-items: center; gap: 6px; }
.job-type {
  padding: 4px 14px;
  font-size: 0.75rem; font-weight: 600;
  color: #3B82F6;
  background: rgba(59, 130, 246, 0.08);
  border-radius: 100px;
  white-space: nowrap;
}
.job-card > p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* --- Contact Section --- */
.contact { background: var(--bg-secondary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 1000px; margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.contact-form {
  display: flex; flex-direction: column; gap: 20px;
  padding: 48px 40px;
  border-right: 1px solid var(--border);
}
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.875rem; font-weight: 600;
}
.form-group input,
.form-group textarea {
  padding: 16px 20px;
  font-size: 0.9rem;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-group input:hover,
.form-group textarea:hover {
  border-color: var(--border-hover);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: #3B82F6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
  background: var(--bg-card);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.contact-info {
  display: flex; flex-direction: column; justify-content: center;
  padding: 48px 40px;
  position: relative; overflow: hidden;
}
.contact-info::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(108,99,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(59,130,246,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.contact-info-inner {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; gap: 28px;
}
.contact-info-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 6px; }
.contact-info-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.contact-divider { width: 100%; height: 1px; background: var(--border); }
.info-card {
  display: flex; align-items: center; gap: 18px;
  padding: 0; background: none; border: none;
  transition: all var(--transition);
}
.info-card:hover { transform: translateX(6px); }
.info-icon {
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient);
  border-radius: var(--radius);
  color: white; font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.2);
}
.info-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 2px; }
.info-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

.social-links {
  display: flex; gap: 12px;
  margin-top: 12px;
}
.social-link {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition);
}
.social-link:hover {
  background: var(--gradient);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

/* --- Footer --- */
.footer {
  padding: 64px 0 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute; bottom: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, var(--glow-blue) 0%, transparent 70%);
  pointer-events: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 280px;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links h4 {
  font-size: 0.875rem; font-weight: 700;
  margin-bottom: 4px;
}
.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.8125rem; color: var(--text-muted); }
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  color: var(--text-muted);
  font-size: 1rem;
  transition: color var(--transition);
}
.footer-social a:hover { color: var(--text); }

/* --- Testimonials Section --- */
.testimonials { background: var(--bg-secondary); }
.testimonial-track-wrapper {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.testimonial-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: testimonialScroll 40s linear infinite;
}
.testimonial-track:hover {
  animation-play-state: paused;
}
@keyframes testimonialScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.testimonial-card {
  flex-shrink: 0;
  width: 380px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  gap: 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover {
  border-color: rgba(59, 130, 246, 0.15);
  box-shadow: 0 16px 48px rgba(59, 130, 246, 0.06), var(--shadow-lg);
}

.testimonial-stars {
  display: flex; gap: 4px;
  color: #F59E0B;
  font-size: 0.85rem;
}

.testimonial-card > p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-secondary);
  font-style: italic;
  flex: 1;
}
.testimonial-card > p::before { content: '\201C'; }
.testimonial-card > p::after { content: '\201D'; }

.testimonial-author {
  display: flex; align-items: center; gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 0.8rem; font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.testimonial-author h4 {
  font-size: 0.9rem; font-weight: 700;
  margin-bottom: 2px;
}
.testimonial-author span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Hero Orbs --- */
.hero-orbs {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 {
  width: 400px; height: 400px;
  background: #6C63FF;
  top: 10%; left: -5%;
  animation-delay: 0s;
}
.orb-2 {
  width: 350px; height: 350px;
  background: #3B82F6;
  top: 40%; right: -8%;
  animation-delay: -3s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: #06B6D4;
  bottom: 5%; left: 30%;
  animation-delay: -5s;
}
[data-theme="light"] .orb { opacity: 0.15; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* --- Trusted By / Logos Marquee --- */
.trusted-section {
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.trusted-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.logo-marquee-wrapper {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}
.logo-marquee {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marqueeScroll 25s linear infinite;
}
.marquee-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 1rem; font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0.6;
  transition: opacity var(--transition);
}
.marquee-item:hover { opacity: 1; }
.marquee-item i { font-size: 1.2rem; }
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- How We Work / Process --- */
.how-we-work { background: var(--bg-secondary); }
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 0 20px;
}
.process-number {
  font-size: 3.5rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.15;
  line-height: 1;
  margin-bottom: -12px;
}
.process-content {
  position: relative;
  z-index: 2;
}
.process-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient);
  border-radius: 50%;
  color: white; font-size: 1.2rem;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
  position: relative;
}
.process-icon::after {
  content: '';
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(59, 130, 246, 0.15);
  animation: iconPulseRing 2.5s ease-in-out infinite;
}
@keyframes iconPulseRing {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 0; }
}
.process-content h3 {
  font-size: 1.05rem; font-weight: 700;
  margin-bottom: 10px;
}
.process-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.process-line {
  position: absolute;
  top: 72px;
  right: -20px;
  width: 40px;
  height: 2px;
  background: var(--border);
}
.process-line::after {
  content: '';
  position: absolute;
  right: 0; top: -3px;
  width: 8px; height: 8px;
  border-right: 2px solid var(--text-muted);
  border-top: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

/* --- Impact Banner --- */
.impact-banner {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.impact-bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
.impact-bg img { display: none; }
.impact-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(108,99,255,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(59,130,246,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(6,182,212,0.06) 0%, transparent 50%);
}
.impact-content { position: relative; z-index: 2; }
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.impact-stat { padding: 20px; }
.impact-number {
  font-size: 3.5rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.impact-suffix {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.impact-label {
  display: block;
  margin-top: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* --- Why MSquare --- */
.why-msquare { background: var(--bg-secondary); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why-content .section-tag { margin-bottom: 16px; }
.why-content .section-title { text-align: left; margin-bottom: 20px; }
.why-content > p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}
.why-features {
  display: flex; flex-direction: column; gap: 20px;
  margin-bottom: 36px;
}
.why-feature {
  display: flex; gap: 16px; align-items: flex-start;
}
.why-check {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  color: #10B981; font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.why-feature h4 {
  font-size: 0.95rem; font-weight: 700;
  margin-bottom: 3px;
}
.why-feature p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.why-visual {
  position: relative;
}
.why-video-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
}
.why-video-card img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.video-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 72px; height: 72px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all var(--transition);
  animation: playPulse 2s ease-in-out infinite;
}
.video-play-btn:hover {
  background: rgba(255,255,255,0.25);
  transform: translate(-50%, -50%) scale(1.1);
}
.video-play-btn i { margin-left: 4px; }
@keyframes playPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.3); }
  50% { box-shadow: 0 0 0 16px rgba(255,255,255,0); }
}
.why-video-label {
  position: absolute;
  bottom: 16px; left: 50%;
  transform: translateX(-50%);
  padding: 6px 18px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.floating-card {
  position: absolute;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8rem; font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-lg);
  animation: floatCard 4s ease-in-out infinite;
  z-index: 3;
}
.floating-card i {
  color: #3B82F6;
  font-size: 1rem;
}
.fc-1 {
  top: -16px; right: -16px;
  animation-delay: 0s;
}
.fc-2 {
  bottom: 24px; left: -24px;
  animation-delay: -2s;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* --- Final CTA Banner --- */
.final-cta {
  position: relative;
  padding: 140px 0;
  overflow: hidden;
  text-align: center;
  border-top: 1px solid var(--border);
}
.final-cta-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 40%, rgba(108,99,255,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 60%, rgba(59,130,246,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 90%, rgba(6,182,212,0.12) 0%, transparent 45%),
    radial-gradient(ellipse at 50% 10%, rgba(168,85,247,0.08) 0%, transparent 50%);
  animation: ctaBgShift 10s ease-in-out infinite alternate;
}
@keyframes ctaBgShift {
  0% { opacity: 1; filter: hue-rotate(0deg); }
  50% { opacity: 0.85; }
  100% { opacity: 1; filter: hue-rotate(15deg); }
}
.final-cta-content {
  position: relative; z-index: 2;
}
.final-cta h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.final-cta p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

/* --- Hero Side Visuals --- */
.hero-side-visuals {
  position: absolute;
  right: 40px; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 16px;
  z-index: 3;
}
.hero-float-card {
  width: 200px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  animation: heroCardFloat 5s ease-in-out infinite;
}
.hero-float-card img {
  width: 100%; height: 100px;
  object-fit: cover;
}
.hfc-label {
  padding: 10px 14px;
  font-size: 0.7rem; font-weight: 600;
  display: flex; align-items: center; gap: 6px;
  color: var(--text-secondary);
}
.hfc-label i { color: #3B82F6; font-size: 0.75rem; }
.hfc-1 { animation-delay: 0s; }
.hfc-2 { animation-delay: -2.5s; transform: translateX(-30px); }
@keyframes heroCardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- About Split Layout --- */
.about-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 72px;
}
.about-image-showcase {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
}
.showcase-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  grid-row: span 2;
}
.showcase-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.showcase-main:hover img { transform: scale(1.03); }
.showcase-badge {
  position: absolute;
  bottom: 16px; left: 16px;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  color: white;
  font-size: 0.75rem; font-weight: 600;
}
.showcase-badge i { color: #3B82F6; }
.showcase-small {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.showcase-small img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.showcase-small:hover img { transform: scale(1.05); }
.showcase-small span {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 10px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: white;
  font-size: 0.7rem; font-weight: 600;
}

.about-text-block h3 {
  font-size: 0.8rem; font-weight: 700;
  color: #3B82F6;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.about-lead {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 16px;
}
.about-lead strong {
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-text-block > p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}
.about-highlights {
  display: flex; gap: 32px;
}
.highlight {
  display: flex; flex-direction: column;
}
.highlight-num {
  font-size: 2rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.highlight-text {
  font-size: 0.8rem; font-weight: 500;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Image Divider --- */
.image-divider {
  position: relative;
  height: 300px;
  overflow: hidden;
}
.image-divider img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* Parallax-like fixed feel */
}
.image-divider-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(5,5,7,0.8) 0%, rgba(59,130,246,0.15) 50%, rgba(5,5,7,0.8) 100%);
}
[data-theme="light"] .image-divider-overlay {
  background: linear-gradient(135deg, rgba(248,249,252,0.85) 0%, rgba(59,130,246,0.08) 50%, rgba(248,249,252,0.85) 100%);
}
.image-divider-text {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.image-divider-text span {
  font-size: clamp(1.5rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  text-align: center;
}

/* --- About Visual / Image Grid (legacy) --- */
.about-visual { margin-bottom: 64px; }
.about-img-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}
.about-img-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border);
}
.about-img-card.span-2 {
  grid-column: span 2;
  aspect-ratio: 21 / 9;
}
.about-img-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.about-img-card:hover img {
  transform: scale(1.05);
}
.about-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  display: flex; align-items: flex-end;
  padding: 20px 24px;
  opacity: 0;
  transition: opacity var(--transition);
}
.about-img-card:hover .about-img-overlay { opacity: 1; }
.about-img-overlay span {
  color: white;
  font-size: 0.9rem; font-weight: 600;
}

/* --- Careers Banner --- */
.careers-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  max-height: 280px;
  border: 1px solid var(--border);
}
.careers-banner img {
  width: 100%; height: 280px;
  object-fit: cover;
}
.careers-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(9,9,11,0.8) 0%, rgba(59,130,246,0.3) 100%);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 24px;
}
.careers-banner-overlay h3 {
  color: white;
  font-size: 1.5rem; font-weight: 700;
  margin-bottom: 8px;
}
.careers-banner-overlay p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
}

/* --- Animations --- */
.animate-fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s ease forwards;
}
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Stagger entrance for grid items */
.services-grid .service-card:nth-child(1) { --delay: 0s; }
.services-grid .service-card:nth-child(2) { --delay: 0.08s; }
.services-grid .service-card:nth-child(3) { --delay: 0.16s; }
.services-grid .service-card:nth-child(4) { --delay: 0.24s; }
.services-grid .service-card:nth-child(5) { --delay: 0.32s; }
.services-grid .service-card:nth-child(6) { --delay: 0.4s; }

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Enhanced section entrance */
.section-header .section-tag {
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.section-header .section-title {
  transition: opacity 0.7s ease 0.1s, transform 0.7s ease 0.1s;
}
.section-header .section-subtitle {
  transition: opacity 0.7s ease 0.2s, transform 0.7s ease 0.2s;
}

/* Smooth line under section title */
.section-title::after {
  content: '';
  display: block;
  width: 48px; height: 3px;
  background: var(--gradient);
  border-radius: 3px;
  margin: 20px auto 0;
}
.why-content .section-title::after {
  margin: 20px 0 0;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-split { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero-side-visuals { display: none; }
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-row { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .footer-brand { grid-column: span 3; }
  .process-timeline { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-line { display: none; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header {
    top: 8px;
    width: calc(100% - 24px);
    border-radius: var(--radius);
  }
  .nav { height: 48px; padding: 0 6px 0 14px; justify-content: center; }
  .nav-logo { flex: none; position: absolute; left: 50%; transform: translateX(-50%); }
  .hamburger { position: absolute; right: 14px; }
  .nav-cta { display: none; }
  .theme-toggle { display: none; }
  .nav-logo-img { height: 80px; }
  .nav-menu {
    position: fixed;
    inset: 0;
    width: 100%; height: 100vh; height: 100dvh;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    gap: 8px;
    border: none;
    border-radius: 0;
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    z-index: 1000;
  }
  .nav-menu.active {
    opacity: 1; visibility: visible;
  }
  .nav-menu li { width: auto; text-align: center; }
  .nav-link {
    font-size: clamp(1.5rem, 5vw, 2.2rem);
    font-weight: 600;
    padding: 14px 24px;
    display: block;
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: opacity var(--transition);
    letter-spacing: -0.01em;
  }
  .nav-link:hover, .nav-link.active {
    opacity: 0.6;
    background: none;
  }
  .nav-menu::after {
    content: 'MSQUARE — ADVANCED DATA & AI';
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    white-space: nowrap;
  }
  .hamburger { display: block; }
  .hamburger.active span { background: var(--text); }
  .nav-cta {
    display: none;
  }
  .theme-toggle { display: none; }

  .nav-logo-img { height: 80px; }

  /* Mobile menu extras */
  .nav-menu-extras {
    display: flex; flex-direction: column;
    align-items: center; gap: 20px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    width: 100%;
  }
  .theme-toggle-mobile {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 28px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 100px;
    color: #FAFAFA;
    font-size: 0.9rem; font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .theme-toggle-mobile:hover {
    background: rgba(255,255,255,0.12);
  }
  .theme-toggle-mobile i {
    font-size: 1.1rem;
  }
  [data-theme="dark"] .theme-toggle-mobile i { color: #F59E0B; }
  [data-theme="light"] .theme-toggle-mobile {
    background: rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.1);
    color: #0B0D14;
  }
  [data-theme="light"] .theme-toggle-mobile i { color: #3B82F6; }
  .nav-menu-cta {
    display: none;
  }

  .section { padding: 80px 0; }
  .section-header { margin-bottom: 48px; }

  .about-split { grid-template-columns: 1fr; gap: 32px; }
  .about-image-showcase { display: none; }
  .about-text-block { text-align: center; }
  .about-text-block::before {
    content: '';
    display: block;
    width: 100%; height: 200px;
    margin-bottom: 28px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    background-size: 400% 400%;
    animation: aboutGradientShift 6s ease infinite;
    position: relative;
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.12);
    overflow: hidden;
  }
  .about-text-block { position: relative; }
  .about-text-block::after {
    content: '{ AI }';
    position: absolute;
    top: 80px;
    left: 50%; transform: translateX(-50%);
    font-size: 2.5rem; font-weight: 900;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.08);
    pointer-events: none;
    animation: aiPulse 3s ease-in-out infinite;
  }
  @keyframes aiPulse {
    0%, 100% { opacity: 0.08; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.15; transform: translateX(-50%) scale(1.05); }
  }
  .about-highlights { gap: 20px; justify-content: center; }
  .about-locations { display: none; }
  .hero-side-visuals { display: none; }
  .image-divider { height: 200px; }
  .contact-grid {
    grid-template-columns: 1fr;
    background: none; border: none; border-radius: 0;
  }
  .contact-form { padding: 0; border-right: none; }
  .contact-info { display: none; }
  .contact-info { display: none; }
  .footer-contact-mobile {
    display: flex; flex-direction: column; gap: 10px;
    margin-top: 16px;
  }
  .footer-contact-mobile a {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.8rem; font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
  }
  .footer-contact-mobile a:hover { color: var(--text); }
  .footer-contact-mobile i {
    color: #3B82F6;
    font-size: 0.75rem;
    width: 16px;
  }
  .cta-card { flex-direction: column; text-align: center; padding: 32px; }

  /* --- Mobile Horizontal Scroll Carousels --- */
  .about-grid,
  .services-grid,
  .training-grid {
    display: flex !important;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 16px;
    padding-bottom: 16px;
    scrollbar-width: none;
  }
  .about-grid::-webkit-scrollbar,
  .services-grid::-webkit-scrollbar,
  .training-grid::-webkit-scrollbar {
    display: none;
  }
  .about-grid > *,
  .services-grid > *,
  .training-grid > * {
    flex: 0 0 82%;
    scroll-snap-align: center;
    min-width: 280px;
  }

  .tech-marquee-wrap { gap: 12px; }
  .tech-row {
    display: flex !important;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 12px;
    padding-bottom: 8px;
    scrollbar-width: none;
  }
  .tech-row::-webkit-scrollbar { display: none; }
  .tech-logo-card {
    flex: 0 0 130px;
    scroll-snap-align: center;
    padding: 24px 14px;
  }
  .tech-logo-card i { font-size: 1.8rem; }
  .tech-logo-card span { font-size: 0.7rem; }

  /* Scroll spacer */
  .about-grid::after,
  .services-grid::after,
  .training-grid::after {
    content: '';
    flex: 0 0 1px;
  }

  /* Carousel Dot Indicators */
  .carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
    margin-bottom: 12px;
  }
  .carousel-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--border);
    transition: all 0.3s ease;
    cursor: pointer;
  }
  .carousel-dot.active {
    width: 24px;
    border-radius: 4px;
    background: var(--gradient);
  }

  .testimonial-card { width: 300px; padding: 24px; }
  .testimonial-track { animation-duration: 30s; }

  .process-timeline { grid-template-columns: 1fr; gap: 32px; }
  .process-line { display: none; }
  .process-step { text-align: left; padding: 0; display: flex; gap: 20px; align-items: flex-start; }
  .process-number { font-size: 2.5rem; flex-shrink: 0; width: 50px; }
  .process-icon { margin: 0 0 12px; }
  .process-content { text-align: left; }

  .impact-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .impact-number { font-size: 2.5rem; }
  .impact-suffix { font-size: 1.8rem; }

  .why-grid { grid-template-columns: 1fr; gap: 40px; }
  .why-content .section-title { text-align: center; }
  .why-content { text-align: center; }
  .why-feature { text-align: left; }
  .why-content .btn { width: 100%; justify-content: center; }
  .floating-card { display: none; }

  .final-cta { padding: 80px 0; }

  .orb-1 { width: 250px; height: 250px; }
  .orb-2 { width: 200px; height: 200px; }
  .orb-3 { width: 180px; height: 180px; }

  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .stat-number { font-size: 2rem; }
  .stat-divider { display: none; }

  .footer-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .footer-brand { grid-column: span 3; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .tech-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .tech-logo-card { padding: 24px 12px; gap: 10px; }
  .tech-logo-card i { font-size: 1.6rem; }
  .tech-logo-card span { font-size: 0.7rem; }
  .job-header { flex-direction: column; gap: 12px; }
  .hero-stats { gap: 16px; }
  .about-image-showcase { grid-template-columns: 1fr; }
  .about-highlights { flex-wrap: wrap; gap: 16px; }
  .image-divider { height: 160px; }
  .image-divider-text span { font-size: 1.2rem; padding: 0 20px; }
}

/* Hide mobile-only elements on desktop */
@media (min-width: 769px) {
  .nav-menu-extras { display: none; }
  .footer-contact-mobile { display: none; }
  .carousel-dots { display: none; }
}

/* Large screens */
@media (min-width: 1600px) {
  :root { --max-width: 1400px; }
  .hero-title { font-size: 5rem; }
}