/* ============================================
   BABBAGE TECH GLOBAL — Design System
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #050505;
  --card: #121212;
  --accent: #7C3AED;
  --accent-light: #9D5AF0;
  --accent-dark: #5B21B6;
  --teal: #2DD4BF;
  --teal-dark: #0F9D8A;
  --white: #FFFFFF;
  --gray: #A0A0A0;
  --gray-dark: #3A3A3A;
  --border: rgba(124,58,237,0.2);
  --glow: 0 0 30px rgba(124,58,237,0.4);
  --teal-glow: 0 0 30px rgba(45,212,191,0.3);
  --font-main: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --radius: 16px;
  --radius-sm: 8px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ── Selection ── */
::selection { background: var(--accent); color: #fff; }

/* ── Page Loader ── */
#page-loader {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; transition: opacity 0.6s, visibility 0.6s;
}
#page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-content { text-align: center; }
.loader-logo {
  font-family: var(--font-main);
  font-size: 2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
  animation: pulse 1.5s ease-in-out infinite;
}
.loader-bar {
  width: 100%; height: 2px;
  background: var(--gray-dark); border-radius: 2px; overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  border-radius: 2px;
  animation: load 1.8s ease forwards;
}
@keyframes load { from { width: 0 } to { width: 100% } }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }

/* ── Cursor ── */
#cursor {
  width: 12px; height: 12px;
  background: var(--accent); border-radius: 50%;
  position: fixed; pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
  mix-blend-mode: screen;
}
#cursor-ring {
  width: 40px; height: 40px;
  border: 1.5px solid rgba(124,58,237,0.6);
  border-radius: 50%; position: fixed;
  pointer-events: none; z-index: 9997;
  transform: translate(-50%,-50%);
  transition: transform 0.15s ease-out, width 0.3s, height 0.3s;
}
body.cursor-hover #cursor { width: 20px; height: 20px; background: var(--teal); }
body.cursor-hover #cursor-ring { width: 60px; height: 60px; border-color: var(--teal); }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; padding: 24px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(5,5,5,0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-main);
  font-size: 1.4rem; font-weight: 800;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}
.nav-logo span { font-weight: 300; }
.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--gray);
  font-size: 0.9rem; font-weight: 500;
  letter-spacing: 0.5px; transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff !important; padding: 10px 24px !important;
  border-radius: 50px !important; font-weight: 600 !important;
  transition: var(--transition) !important;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: var(--glow) !important; color: #fff !important; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 26px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; inset: 0; top: 70px;
  background: rgba(5,5,5,0.97); backdrop-filter: blur(20px);
  z-index: 999; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 32px;
  transform: translateY(-120%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a {
  font-family: var(--font-main); font-size: 2rem; font-weight: 700;
  text-decoration: none; color: var(--white); transition: var(--transition);
}
.mobile-menu a:hover { color: var(--accent); }

/* ── Container ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px;
  font-weight: 600; font-size: 0.95rem;
  text-decoration: none; cursor: pointer;
  border: none; transition: var(--transition);
  position: relative; overflow: hidden;
  letter-spacing: 0.3px;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0; transition: var(--transition);
}
.btn:hover::before { opacity: 1; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; box-shadow: 0 4px 24px rgba(124,58,237,0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--glow); }
.btn-outline {
  background: transparent; color: var(--white);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent);
  transform: translateY(-3px); box-shadow: var(--glow);
}
.btn-teal {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #050505; box-shadow: var(--teal-glow); font-weight: 700;
}
.btn-teal:hover { transform: translateY(-3px); box-shadow: 0 0 40px rgba(45,212,191,0.5); }

/* ── Section Headings ── */
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--teal);
  margin-bottom: 16px;
}
.section-tag::before {
  content: ''; width: 20px; height: 1.5px;
  background: var(--teal); display: block;
}
.section-title {
  font-family: var(--font-main);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.section-title .accent { color: var(--accent); }
.section-title .teal { color: var(--teal); }
.section-subtitle {
  font-size: 1.05rem; color: var(--gray);
  max-width: 560px; line-height: 1.7;
}

/* ── Cards ── */
.glass-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.glass-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,0.05), transparent);
  opacity: 0; transition: var(--transition);
  pointer-events: none;
}
.glass-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glow);
  transform: translateY(-6px);
}
.glass-card:hover::before { opacity: 1; }

/* ── Stats ── */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2px; background: var(--border);
}
.stat-item {
  background: var(--bg); padding: 40px 32px; text-align: center;
}
.stat-number {
  font-family: var(--font-main); font-size: 3.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-label { color: var(--gray); font-size: 0.85rem; margin-top: 8px; letter-spacing: 1px; text-transform: uppercase; }

/* ── Gradient Text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ── Badge ── */
.badge {
  display: inline-block; padding: 4px 14px; border-radius: 50px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 1px;
  background: rgba(124,58,237,0.15); color: var(--accent);
  border: 1px solid rgba(124,58,237,0.3);
}
.badge-teal {
  background: rgba(45,212,191,0.1); color: var(--teal);
  border-color: rgba(45,212,191,0.3);
}

/* ── Section Spacing ── */
section { padding: 100px 0; }
.section-center { text-align: center; }
.section-center .section-subtitle { margin: 0 auto; }

/* ── Reveal Animations ── */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ── Page Hero ── */
.page-hero {
  min-height: 50vh; display: flex; align-items: center;
  padding: 140px 0 80px; position: relative; overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(124,58,237,0.2) 0%, transparent 70%);
}
.page-hero-title {
  font-family: var(--font-main); font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800; letter-spacing: -2px; line-height: 1;
}
.page-hero-sub { color: var(--gray); font-size: 1.1rem; margin-top: 16px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  color: var(--gray); font-size: 0.85rem; margin-bottom: 24px;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb span { color: var(--gray-dark); }

/* ── Footer ── */
footer {
  background: #080808; border-top: 1px solid var(--border);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px; margin-bottom: 60px;
}
.footer-brand-desc {
  color: var(--gray); font-size: 0.9rem; line-height: 1.8; margin-top: 16px;
}
.footer-heading {
  font-family: var(--font-main); font-size: 0.85rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--white); margin-bottom: 20px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  text-decoration: none; color: var(--gray); font-size: 0.9rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 32px; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-copy { color: var(--gray); font-size: 0.85rem; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--gray);
  transition: var(--transition); font-size: 1rem;
}
.social-link:hover {
  background: var(--accent); border-color: var(--accent);
  color: #fff; transform: translateY(-3px); box-shadow: var(--glow);
}

/* ── Noise Texture Overlay ── */
body::after {
  content: ''; position: fixed; inset: 0;
  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)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9996; opacity: 0.4;
}

/* ── Grid Layouts ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── Service Icon ── */
.service-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(124,58,237,0.05));
  border: 1px solid rgba(124,58,237,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin-bottom: 24px;
  transition: var(--transition);
}
.glass-card:hover .service-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: var(--accent); transform: scale(1.1);
}

/* ── Glow Line ── */
.glow-line {
  width: 60px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  margin: 16px 0 24px;
}

/* ── Input Fields ── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--gray); margin-bottom: 8px; letter-spacing: 0.5px;
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 14px 18px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--white);
  font-family: var(--font-body); font-size: 0.95rem;
  transition: var(--transition); outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--gray-dark); }
.form-select { cursor: pointer; appearance: none; }
.form-select option { background: var(--card); }
.form-textarea { resize: vertical; min-height: 140px; }

/* ── Marquee ── */
.marquee-wrap { overflow: hidden; padding: 24px 0; }
.marquee-track {
  display: flex; gap: 48px; width: max-content;
  animation: marquee 25s linear infinite;
}
.marquee-item {
  color: var(--gray); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; white-space: nowrap;
  display: flex; align-items: center; gap: 16px;
}
.marquee-item::before { content: '★'; color: var(--accent); }
@keyframes marquee { from { transform: translateX(0) } to { transform: translateX(-50%) } }

/* ── Particles Canvas ── */
#particles-canvas {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
}

/* ── Grid Lines Bg ── */
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(124,58,237,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ── Floating Orbs ── */
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none; z-index: 0;
}
.orb-purple {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
}
.orb-teal {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(45,212,191,0.1) 0%, transparent 70%);
}

/* ── Tech Tags ── */
.tech-tag {
  display: inline-block; padding: 4px 12px; border-radius: 4px;
  font-size: 0.75rem; font-weight: 600;
  background: rgba(255,255,255,0.05); color: var(--gray);
  border: 1px solid var(--gray-dark); margin: 3px;
  transition: var(--transition);
}
.tech-tag:hover { background: rgba(124,58,237,0.1); color: var(--accent); border-color: var(--accent); }

/* ── Shimmer Animation ── */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.shimmer-text {
  background: linear-gradient(90deg, var(--white) 20%, var(--accent) 50%, var(--teal) 65%, var(--white) 80%);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

/* ── Timeline ── */
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(180deg, var(--accent), var(--teal), transparent);
}
.timeline-item { position: relative; margin-bottom: 48px; }
.timeline-item::before {
  content: ''; position: absolute; left: -36px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg);
  box-shadow: var(--glow);
}
.timeline-year {
  color: var(--accent); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
}
.timeline-title {
  font-family: var(--font-main); font-size: 1.2rem; font-weight: 700;
  margin-bottom: 8px;
}
.timeline-desc { color: var(--gray); font-size: 0.9rem; line-height: 1.7; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  section { padding: 70px 0; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-inner { padding: 0 20px; }
  .page-hero { padding: 120px 0 60px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 2.5rem; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
}