/* ═══════════════════════════════════════════════
   VRAIZENTECH - Main Stylesheet
   Extracted & enhanced from index.html
   Mobile-first, fully responsive
   ═══════════════════════════════════════════════ */

/* ─── CSS VARIABLES ─── */
:root {
  --bg-void: #020408;
  --bg-deep: #050b14;
  --bg-card: rgba(8, 16, 30, 0.7);
  --bg-glass: rgba(12, 24, 48, 0.5);
  --accent-blue: #0ea5e9;
  --accent-violet: #8b5cf6;
  --accent-cyan: #22d3ee;
  --accent-pink: #e879f9;
  --accent-glow: #6366f1;
  --text-primary: #f0f4ff;
  --text-secondary: #94a3c4;
  --text-muted: #4a5a7a;
  --border-subtle: rgba(99, 102, 241, 0.15);
  --border-glow: rgba(139, 92, 246, 0.4);
  --gradient-hero: linear-gradient(135deg, #020408 0%, #050b14 40%, #0a0520 70%, #020408 100%);
  --gradient-accent: linear-gradient(135deg, #6366f1, #8b5cf6, #0ea5e9);
  --gradient-card: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.04));
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

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

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

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

/* Help browsers isolate heavy sections a bit (reduces paint/scroll jank on mobile) */
.hero,
.section,
.marquee-section,
.footer {
  content-visibility: auto;
  contain-intrinsic-size: 900px;
}

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

/* ─── NOISE OVERLAY ─── */
body::before {
  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: 0;
  opacity: 0.4;
}

/* ─── UTILITY ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 11px; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-violet);
  background: rgba(139,92,246,0.1); border: 1px solid rgba(139,92,246,0.2);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 20px;
}
.section-label::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-violet); animation: pulse 2s infinite;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  font-size: 17px; color: var(--text-secondary);
  max-width: 560px; line-height: 1.7;
}

/* ─── ANIMATIONS ─── */
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.8)} }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-20px)} }
@keyframes float2 { 0%,100%{transform:translateY(0) rotate(0deg)} 50%{transform:translateY(-12px) rotate(3deg)} }
@keyframes spin-slow { from{transform:rotate(0)} to{transform:rotate(360deg)} }
@keyframes glow-pulse { 0%,100%{opacity:0.4;transform:scale(1)} 50%{opacity:0.7;transform:scale(1.05)} }
@keyframes slide-up { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }
@keyframes fade-in { from{opacity:0} to{opacity:1} }
@keyframes shimmer { 0%{background-position:-200% 0} 100%{background-position:200% 0} }
@keyframes orbit { from{transform:rotate(0deg) translateX(120px) rotate(0deg)} to{transform:rotate(360deg) translateX(120px) rotate(-360deg)} }
@keyframes marquee { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
@keyframes gradient-shift { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
@keyframes border-rotate { from{--angle:0deg} to{--angle:360deg} }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
@keyframes count-up { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
@keyframes pulse-ring { 0%{transform:scale(1);opacity:1} 100%{transform:scale(1.8);opacity:0} }

/* ─── SCROLL REVEAL ─── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ═══════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s ease;
}
.navbar.scrolled {
  background: rgba(2, 4, 8, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}

/* ─── LOGO ─── */
.logo {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 800;
  text-decoration: none; color: var(--text-primary);
  display: flex; align-items: center; gap: 0;
  flex-shrink: 0;
}
.logo-img {
  height: 48px;
  width: auto;
  display: block;
  object-fit: contain;
}
.logo-text {
  display: none;
}

.nav-links {
  display: flex; align-items: center; gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary); text-decoration: none;
  font-size: 14px; font-weight: 500; letter-spacing: 0.01em;
  transition: color 0.2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent-violet);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--gradient-accent);
  color: #fff; text-decoration: none;
  padding: 10px 22px; border-radius: 100px;
  font-size: 14px; font-weight: 600;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 20px rgba(99,102,241,0.3);
  white-space: nowrap;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 0 30px rgba(99,102,241,0.5); }

/* ─── HAMBURGER ─── */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── MOBILE MENU ─── */
.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(2,4,8,0.97); backdrop-filter: blur(20px);
  flex-direction: column; align-items: center; justify-content: center; gap: 36px;
  opacity: 0; transform: translateY(-100%); transition: all 0.4s ease;
}
.mobile-menu.open { display: flex; opacity: 1; transform: translateY(0); }
.mobile-menu a {
  font-family: var(--font-display); font-size: 26px; font-weight: 700;
  color: var(--text-primary); text-decoration: none; transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--accent-violet); }
.mobile-menu .nav-cta { font-size: 16px; padding: 14px 40px; }

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: var(--gradient-hero);
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation: glow-pulse 6s ease-in-out infinite;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.15) 0%, transparent 70%);
  bottom: -100px; right: -100px;
  animation: glow-pulse 8s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(14,165,233,0.1) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  animation: glow-pulse 5s ease-in-out infinite 2s;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
}
.hero-content { position: relative; z-index: 2; }
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.25);
  border-radius: 100px; padding: 8px 16px; margin-bottom: 28px;
  font-size: 12px; font-weight: 500; color: var(--accent-cyan);
  animation: slide-up 0.8s ease both;
  flex-wrap: wrap;
}
.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-cyan); animation: pulse 2s infinite; flex-shrink: 0;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.5vw, 72px);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.03em; margin-bottom: 24px;
  animation: slide-up 0.8s ease 0.1s both;
}
.hero-sub {
  font-size: 17px; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 40px;
  max-width: 480px;
  animation: slide-up 0.8s ease 0.2s both;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px;
  animation: slide-up 0.8s ease 0.3s both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gradient-accent);
  color: #fff; text-decoration: none;
  padding: 14px 28px; border-radius: 100px;
  font-size: 15px; font-weight: 600;
  box-shadow: 0 0 30px rgba(99,102,241,0.35);
  transition: all 0.3s ease; cursor: pointer; border: none;
  font-family: var(--font-body);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(99,102,241,0.55); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--text-primary); text-decoration: none;
  padding: 14px 28px; border-radius: 100px;
  font-size: 15px; font-weight: 600;
  transition: all 0.3s ease; cursor: pointer;
  font-family: var(--font-body); backdrop-filter: blur(10px);
  background: rgba(139,92,246,0.05);
}
.btn-secondary:hover { background: rgba(139,92,246,0.12); transform: translateY(-2px); }
.btn-arrow { font-size: 18px; transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.hero-stats {
  display: flex; gap: 32px; flex-wrap: wrap;
  animation: slide-up 0.8s ease 0.4s both;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ─── HERO VISUAL ─── */
.hero-visual {
  position: relative;
  animation: slide-up 0.8s ease 0.2s both;
}
.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  padding: 28px;
  position: relative; overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.6), transparent);
}
.ai-terminal {
  background: rgba(0,0,0,0.4); border-radius: var(--radius-sm);
  padding: 16px; margin-bottom: 16px;
  border: 1px solid rgba(99,102,241,0.1);
  font-family: 'Courier New', monospace; font-size: 13px;
}
.terminal-header { display: flex; gap: 6px; margin-bottom: 12px; }
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #ffbc2e; }
.terminal-dot.green { background: #28ca41; }
.terminal-line { margin-bottom: 8px; }
.terminal-prompt { color: var(--accent-violet); }
.terminal-cmd { color: var(--accent-cyan); }
.terminal-out { color: var(--text-secondary); padding-left: 12px; }
.terminal-cursor {
  display: inline-block; width: 8px; height: 14px;
  background: var(--accent-cyan); margin-left: 2px;
  animation: blink 1s infinite; vertical-align: middle;
}
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.metric-card {
  background: rgba(99,102,241,0.06); border: 1px solid rgba(99,102,241,0.12);
  border-radius: var(--radius-sm); padding: 14px;
}
.metric-label { font-size: 10px; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.08em; }
.metric-value { font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.metric-value.green { color: #22c55e; }
.metric-value.blue { color: var(--accent-blue); }
.metric-value.violet { color: var(--accent-violet); }
.metric-value.cyan { color: var(--accent-cyan); }
.metric-change { font-size: 11px; color: #22c55e; margin-top: 2px; }

/* ─── FLOATING BADGES ─── */
.float-badge {
  position: absolute;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px); border-radius: var(--radius-md);
  padding: 12px 16px; display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.float-badge-icon { font-size: 20px; }
.float-badge.badge-1 { top: -20px; right: -20px; animation: float 6s ease-in-out infinite; }
.float-badge.badge-2 { bottom: -10px; left: -20px; animation: float2 7s ease-in-out infinite 1s; }

/* ═══════════════════════════════════════════════
   MARQUEE
   ═══════════════════════════════════════════════ */
.marquee-section {
  padding: 36px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(5,11,20,0.5);
  overflow: hidden;
}
.marquee-track {
  display: flex; gap: 60px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-item {
  display: flex; align-items: center; gap: 12px;
  white-space: nowrap; color: var(--text-muted);
  font-size: 14px; font-weight: 500;
}
.marquee-item span { font-size: 20px; }

/* ═══════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px; margin-top: 60px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  position: relative; overflow: hidden;
  transition: all 0.4s ease;
  cursor: default;
}
.service-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: var(--gradient-card); transition: opacity 0.4s;
}
.service-card::after {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient-accent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(139,92,246,0.3); box-shadow: 0 30px 80px rgba(0,0,0,0.3), 0 0 40px rgba(99,102,241,0.08); }
.service-card:hover::before { opacity: 1; }
.service-card:hover::after { transform: scaleX(1); }
.service-icon {
  width: 52px; height: 52px;
  background: var(--gradient-accent);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 20px; position: relative; z-index: 1;
  box-shadow: 0 8px 24px rgba(99,102,241,0.25);
}
.service-title {
  font-family: var(--font-display); font-size: 19px; font-weight: 700;
  margin-bottom: 10px; position: relative; z-index: 1;
}
.service-desc {
  color: var(--text-secondary); font-size: 14px;
  line-height: 1.7; margin-bottom: 18px; position: relative; z-index: 1;
}
.service-tags {
  display: flex; flex-wrap: wrap; gap: 8px; position: relative; z-index: 1;
}
.tag {
  background: rgba(99,102,241,0.08); border: 1px solid rgba(99,102,241,0.15);
  color: var(--text-secondary); font-size: 11px; font-weight: 500;
  padding: 4px 10px; border-radius: 100px; letter-spacing: 0.04em;
}
.service-arrow {
  position: absolute; bottom: 24px; right: 24px;
  width: 34px; height: 34px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--accent-violet); font-size: 15px; transition: all 0.3s;
}
.service-card:hover .service-arrow { background: var(--accent-violet); color: #fff; transform: rotate(45deg); }

/* ═══════════════════════════════════════════════
   AI SHOWCASE
   ═══════════════════════════════════════════════ */
.ai-section { background: var(--bg-deep); }
.ai-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.ai-visual-wrap { position: relative; }
.ai-brain-bg {
  position: absolute; inset: -40px;
  background: radial-gradient(circle at 50% 50%, rgba(99,102,241,0.12) 0%, transparent 70%);
  border-radius: 50%; animation: glow-pulse 5s ease-in-out infinite;
}
.ai-nodes { position: relative; width: 100%; aspect-ratio: 1; max-width: 400px; margin: 0 auto; }
.ai-center-node {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  background: var(--gradient-accent); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; z-index: 10;
  box-shadow: 0 0 60px rgba(99,102,241,0.5);
  animation: glow-pulse 3s ease-in-out infinite;
}
.orbit-ring {
  position: absolute; top: 50%; left: 50%;
  border-radius: 50%; border: 1px solid rgba(99,102,241,0.15);
}
.orbit-ring-1 { width: 200px; height: 200px; margin: -100px 0 0 -100px; animation: spin-slow 15s linear infinite; }
.orbit-ring-2 { width: 300px; height: 300px; margin: -27px 0 0 -27px; animation: spin-slow 25s linear infinite reverse; }
.orbit-ring-3 { width: 380px; height: 380px; margin: -190px 0 0 -190px; animation: spin-slow 35s linear infinite; }
.orbit-node {
  position: absolute; top: 50%; left: 50%;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg-card); border: 1px solid var(--border-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; backdrop-filter: blur(10px);
}
.orbit-node-1 { animation: orbit 15s linear infinite; }
.orbit-node-2 { animation: orbit 25s linear infinite reverse 5s; }
.orbit-node-3 { animation: orbit 35s linear infinite 10s; }
.ai-features { margin-top: 40px; display: flex; flex-direction: column; gap: 16px; }
.ai-feature {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 20px 24px;
  display: flex; gap: 16px; align-items: flex-start;
  backdrop-filter: blur(20px); transition: all 0.3s ease;
}
.ai-feature:hover { border-color: rgba(139,92,246,0.3); transform: translateX(6px); }
.ai-feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--gradient-accent); display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0; box-shadow: 0 4px 16px rgba(99,102,241,0.2);
}
.ai-feature-title { font-family: var(--font-display); font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.ai-feature-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

/* ═══════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════ */
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-img-wrap { position: relative; }
.about-img-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-img-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; backdrop-filter: blur(20px);
  transition: transform 0.3s; position: relative; overflow: hidden;
}
.about-img-card::after {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-card); opacity: 0; transition: opacity 0.3s;
}
.about-img-card:hover { transform: scale(1.04); }
.about-img-card:hover::after { opacity: 1; }
.about-img-card:nth-child(2) { margin-top: 32px; }
.about-img-card:nth-child(4) { margin-top: -32px; }
.about-value-badge {
  position: absolute; top: -16px; right: -16px;
  background: var(--gradient-accent); border-radius: var(--radius-md);
  padding: 16px 20px; text-align: center;
  box-shadow: 0 16px 40px rgba(99,102,241,0.3);
}
.about-value-num { font-family: var(--font-display); font-size: 28px; font-weight: 800; line-height: 1; }
.about-value-label { font-size: 11px; opacity: 0.8; margin-top: 2px; }
.about-points { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.about-point { display: flex; gap: 12px; align-items: flex-start; }
.about-point-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(99,102,241,0.15); border: 1px solid rgba(99,102,241,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0; margin-top: 2px;
}
.about-point-text { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }

/* ═══════════════════════════════════════════════
   PORTFOLIO
   ═══════════════════════════════════════════════ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-top: 60px;
}
.portfolio-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all 0.4s ease; backdrop-filter: blur(20px);
}
.portfolio-card:hover { transform: translateY(-8px); box-shadow: 0 40px 100px rgba(0,0,0,0.4), 0 0 60px rgba(99,102,241,0.1); border-color: rgba(139,92,246,0.3); }
.portfolio-thumb { height: 200px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.portfolio-thumb-bg { position: absolute; inset: 0; transition: transform 0.4s ease; }
.portfolio-card:hover .portfolio-thumb-bg { transform: scale(1.05); }
.portfolio-thumb-icon { font-size: 56px; position: relative; z-index: 1; filter: drop-shadow(0 0 20px rgba(255,255,255,0.2)); }
.portfolio-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,0.6); opacity: 0;
  display: flex; align-items: center; justify-content: center; gap: 12px; transition: opacity 0.3s;
  z-index: 3;
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-action {
  background: var(--accent-violet); color: #fff; border: none;
  border-radius: 100px; padding: 8px 18px; font-size: 13px; font-weight: 600;
  cursor: pointer; font-family: var(--font-body); transition: background 0.2s;
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
}
.portfolio-action:hover { background: var(--accent-glow); }
.portfolio-info { padding: 22px; }
.portfolio-cat { font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-violet); margin-bottom: 8px; }
.portfolio-name { font-family: var(--font-display); font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.portfolio-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.portfolio-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* ═══════════════════════════════════════════════
   WHY CHOOSE
   ═══════════════════════════════════════════════ */
.why-section { background: var(--bg-deep); }
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px; margin-top: 60px;
}
.why-card {
  text-align: center; padding: 36px 22px;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); backdrop-filter: blur(20px);
  transition: all 0.4s ease; position: relative; overflow: hidden;
}
.why-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient-accent); transform: scaleX(0);
  transition: transform 0.4s; transform-origin: center;
}
.why-card:hover { transform: translateY(-6px); border-color: rgba(99,102,241,0.25); }
.why-card:hover::before { transform: scaleX(1); }
.why-icon { font-size: 44px; margin-bottom: 20px; display: block; }
.why-title { font-family: var(--font-display); font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.why-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ═══════════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════════ */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px; margin-top: 60px;
}
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px;
  backdrop-filter: blur(20px); transition: all 0.4s ease; position: relative;
}
.testimonial-card:hover { transform: translateY(-4px); border-color: rgba(139,92,246,0.25); }
.testimonial-quote { font-size: 48px; line-height: 1; color: var(--accent-violet); margin-bottom: 12px; font-family: Georgia, serif; }
.testimonial-text { font-size: 15px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; font-family: var(--font-display); flex-shrink: 0;
}
.testimonial-name { font-family: var(--font-display); font-size: 15px; font-weight: 700; }
.testimonial-role { font-size: 12px; color: var(--text-muted); }
.stars { color: #fbbf24; font-size: 14px; letter-spacing: 2px; margin-bottom: 4px; }

/* ═══════════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════════ */
.cta-section { padding: 100px 0; position: relative; overflow: hidden; }
.cta-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.12) 0%, rgba(139,92,246,0.08) 50%, rgba(14,165,233,0.06) 100%);
  border-top: 1px solid rgba(99,102,241,0.15); border-bottom: 1px solid rgba(99,102,241,0.15);
}
.cta-inner { position: relative; z-index: 1; text-align: center; }
.cta-orb {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(99,102,241,0.15) 0%, transparent 70%);
  filter: blur(40px); pointer-events: none;
}
.cta-title {
  font-family: var(--font-display); font-size: clamp(30px, 5vw, 60px);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 20px;
}
.cta-sub { font-size: 17px; color: var(--text-secondary); margin-bottom: 40px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ═══════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════ */
.contact-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon {
  width: 48px; height: 48px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.contact-item-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 4px; }
.contact-item-value { font-size: 15px; font-weight: 500; color: var(--text-primary); }
.contact-form {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 36px; backdrop-filter: blur(20px);
}
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; letter-spacing: 0.04em; }
.form-input, .form-textarea {
  width: 100%; background: rgba(0,0,0,0.3); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); padding: 13px 15px;
  color: var(--text-primary); font-family: var(--font-body); font-size: 15px;
  transition: all 0.3s ease; outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-violet); box-shadow: 0 0 0 3px rgba(139,92,246,0.12);
  background: rgba(0,0,0,0.5);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-full { width: 100%; justify-content: center; }
.whatsapp-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #25d366; color: #fff; text-decoration: none;
  padding: 14px 28px; border-radius: 100px;
  font-size: 15px; font-weight: 600; transition: all 0.3s; margin-top: 16px;
}
.whatsapp-btn:hover { background: #1eb855; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.3); }

/* ═══════════════════════════════════════════════
   FLOATING WHATSAPP BUTTON
   ═══════════════════════════════════════════════ */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25d366; color: #fff; text-decoration: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; box-shadow: 0 8px 32px rgba(37,211,102,0.4);
  animation: float 4s ease-in-out infinite; transition: transform 0.2s;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float-pulse {
  position: absolute; inset: 0; border-radius: 50%;
  background: rgba(37,211,102,0.4); animation: pulse-ring 2s ease-out infinite;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  background: rgba(2,4,8,0.9); border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer-logo {
  display: flex; align-items: center; text-decoration: none;
  margin-bottom: 16px;
}
.footer-logo-img {
  height: 44px; width: auto; object-fit: contain;
}
.footer-brand-desc { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 24px; max-width: 280px; }
.footer-socials { display: flex; gap: 12px; flex-wrap: wrap; }
.social-link {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(99,102,241,0.08); border: 1px solid rgba(99,102,241,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); text-decoration: none; font-size: 16px; transition: all 0.2s;
}
.social-link:hover { background: var(--accent-violet); color: #fff; border-color: var(--accent-violet); transform: translateY(-2px); }
.footer-title { font-family: var(--font-display); font-size: 14px; font-weight: 700; margin-bottom: 20px; color: var(--text-primary); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
  border-top: 1px solid var(--border-subtle); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-copy { font-size: 13px; color: var(--text-muted); }
.footer-copy span { color: var(--accent-violet); }
.footer-legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-legal a { font-size: 13px; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.footer-legal a:hover { color: var(--text-primary); }

/* ─── FREE BADGE ─── */
.free-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, rgba(34,211,102,0.15), rgba(14,165,233,0.15));
  border: 1px solid rgba(34,211,102,0.3);
  color: #22d3ee; font-size: 11px; font-weight: 700;
  padding: 5px 12px; border-radius: 100px;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-left: 8px; vertical-align: middle;
}

/* ─── SECTION DIVIDER ─── */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.3), transparent);
  margin: 0;
}

/* ═══════════════════════════════════════════════
   CUSTOM CURSOR (desktop only)
   ═══════════════════════════════════════════════ */
@media (pointer: fine) {
  .cursor {
    width: 10px; height: 10px; background: var(--accent-violet);
    border-radius: 50%; position: fixed; pointer-events: none; z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
  }
  .cursor-follower {
    width: 32px; height: 32px; border: 1px solid rgba(139,92,246,0.5);
    border-radius: 50%; position: fixed; pointer-events: none; z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, width 0.3s, height 0.3s;
  }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — TABLET (≤1024px)
   ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 520px; margin: 0 auto; }
  .ai-inner { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { gap: 24px; }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — MOBILE (≤768px)
   ═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .section { padding: 64px 0; }
  .hero { padding: 100px 0 60px; }
  .hero-title { font-size: clamp(28px, 7vw, 44px); }
  .hero-sub { font-size: 16px; }
  .hero-stats { gap: 20px; }
  .hero-inner { text-align: center; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .section-sub { margin: 0 auto; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; }
  .about-img-grid { max-width: 300px; margin: 0 auto 40px; }
  .ai-nodes { max-width: 260px; }
  .orbit-ring-3 { display: none; }
  .float-badge { display: none; }
  .logo-img { height: 38px; }
  .contact-form { padding: 24px; }
  .cta-section { padding: 70px 0; }
  .ai-feature:hover { transform: none; }
  .metric-value { font-size: 18px; }
  /* Mobile has no hover; keep CTA visible for project cards */
  .portfolio-overlay { opacity: 1; background: rgba(0,0,0,0.45); }
  .portfolio-thumb-icon { transform: translateY(-18px); }
}

/* ═══════════════════════════════════════════════
   PERFORMANCE — TOUCH DEVICES / LOW POWER
   ═══════════════════════════════════════════════ */
@media (pointer: coarse) {
  /* Backdrop-filter + heavy blurs are expensive on many mobile GPUs */
  .navbar.scrolled,
  .mobile-menu,
  .hero-card,
  .service-card,
  .ai-feature,
  .portfolio-card,
  .why-card,
  .testimonial-card,
  .contact-form,
  .float-badge {
    backdrop-filter: none !important;
  }

  /* Reduce big blur layers */
  .hero-orb { filter: blur(40px); }
  .cta-orb { filter: blur(24px); }

  /* Keep marquee but slow it a bit to reduce continuous work */
  .marquee-track { animation-duration: 45s; }

  /* Noise overlay can cause extra painting on scroll */
  body::before { opacity: 0.18; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  /* Remove continuous animations explicitly */
  .marquee-track { animation: none !important; transform: translateX(0) !important; }
  .hero-orb-1,
  .hero-orb-2,
  .hero-orb-3,
  .ai-brain-bg,
  .ai-center-node,
  .orbit-ring-1,
  .orbit-ring-2,
  .orbit-ring-3,
  .orbit-node-1,
  .orbit-node-2,
  .orbit-node-3,
  .wa-float,
  .wa-float-pulse { animation: none !important; }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE (≤480px)
   ═══════════════════════════════════════════════ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: row; gap: 16px; justify-content: center; flex-wrap: wrap; }
  .hero-stat-num { font-size: 22px; }
  .hero-badge { font-size: 11px; }
  .btn-primary, .btn-secondary { padding: 12px 20px; font-size: 14px; }
  .section-title { font-size: clamp(24px, 7vw, 36px); }
  .service-card { padding: 24px; }
  .hero-card { padding: 20px; }
  .marquee-item { font-size: 13px; }
  .logo-img { height: 34px; }
  .mobile-menu a { font-size: 22px; }
  .mobile-menu { gap: 28px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .wa-float { bottom: 16px; right: 16px; width: 48px; height: 48px; font-size: 22px; }
}