/* ============================================================
   SMI AGENTS — Cyberpunk-Lite Brand Stylesheet
   All CSS Custom Properties, Layout, Animations
   ============================================================ */

/* --- CSS Variables / Color Palette --- */
:root {
  --bg-primary: #0A0E17;
  --bg-secondary: #0F172A;
  --bg-card: #131C31;
  --bg-card-hover: #1A2744;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-cyan: #00D4FF;
  --accent-magenta: #FF2D95;
  --accent-purple: #7C3AED;
  --accent-green: #34D399;
  --border-color: #1E293B;
  --border-glow: rgba(0, 212, 255, 0.15);
  --gradient-1: linear-gradient(135deg, #00D4FF, #7C3AED);
  --gradient-2: linear-gradient(135deg, #00D4FF, #7C3AED, #FF2D95);
  --gradient-3: linear-gradient(135deg, #7C3AED, #FF2D95);
  --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3);
  --glow-magenta: 0 0 20px rgba(255, 45, 149, 0.3);
  --glow-purple: 0 0 20px rgba(124, 58, 237, 0.3);
  --font-display: 'Orbitron', sans-serif;
  --font-bangla: 'Hind Siliguri', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --header-height: 72px;
  --max-width: 1280px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-bangla);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-magenta);
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

/* --- Scanline Overlay --- */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 9999;
  animation: scanlineMove 8s linear infinite;
}

@keyframes scanlineMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(4px); }
}

/* --- Loading Top Bar --- */
#loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 10000;
  background: var(--bg-primary);
  overflow: hidden;
}

#loading-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: var(--gradient-2);
  background-size: 200% 100%;
  animation: loadingSlide 2s ease-in-out infinite;
}

@keyframes loadingSlide {
  0% { left: -50%; }
  100% { left: 150%; }
}

/* --- Selection --- */
::selection {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
  position: relative;
}

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

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.section-title .gradient-text {
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section-subtitle {
  font-family: var(--font-bangla);
  text-align: center;
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 60px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-bangla);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
  background: #00e5ff;
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
  transform: translateY(-2px);
  color: var(--bg-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-magenta);
  border: 2px solid var(--accent-magenta);
  box-shadow: 0 0 15px rgba(255, 45, 149, 0.15);
}

.btn-secondary:hover {
  background: rgba(255, 45, 149, 0.1);
  box-shadow: 0 0 30px rgba(255, 45, 149, 0.4);
  transform: translateY(-2px);
  color: var(--accent-magenta);
}

/* --- Fade-in / Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- HEADER / NAVIGATION --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
  transition: background var(--transition-normal);
}

header.scrolled {
  background: rgba(10, 14, 23, 0.95);
  border-bottom-color: var(--accent-cyan);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0;
}

.logo .logo-smi {
  color: var(--text-primary);
}

.logo .logo-agents {
  color: var(--accent-cyan);
  text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-family: var(--font-bangla);
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: calc(100% - 28px);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-cyan);
}

.nav-cta {
  padding: 10px 24px !important;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: var(--bg-primary) !important;
  border-radius: 50px !important;
  font-weight: 600;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
  transition: all var(--transition-normal) !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 212, 255, 0.4) !important;
  color: var(--bg-primary) !important;
}

.nav-cta::after {
  display: none !important;
}

/* --- Hamburger Menu --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- HERO SECTION --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

/* Grid/Circuit background */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  pointer-events: none;
}

/* Circuit decorative lines */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(255, 45, 149, 0.05) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
}

/* Particles */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-cyan);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s infinite;
  box-shadow: 0 0 6px var(--accent-cyan);
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 9s; }
.particle:nth-child(2) { left: 25%; top: 60%; animation-delay: 1s; animation-duration: 7s; background: var(--accent-magenta); box-shadow: 0 0 6px var(--accent-magenta); }
.particle:nth-child(3) { left: 45%; top: 15%; animation-delay: 2s; animation-duration: 10s; }
.particle:nth-child(4) { left: 65%; top: 70%; animation-delay: 0.5s; animation-duration: 8s; background: var(--accent-purple); box-shadow: 0 0 6px var(--accent-purple); }
.particle:nth-child(5) { left: 80%; top: 30%; animation-delay: 3s; animation-duration: 9s; }
.particle:nth-child(6) { left: 90%; top: 80%; animation-delay: 1.5s; animation-duration: 7.5s; background: var(--accent-magenta); box-shadow: 0 0 6px var(--accent-magenta); }
.particle:nth-child(7) { left: 35%; top: 85%; animation-delay: 2.5s; animation-duration: 8.5s; }
.particle:nth-child(8) { left: 55%; top: 45%; animation-delay: 4s; animation-duration: 6.5s; background: var(--accent-purple); box-shadow: 0 0 6px var(--accent-purple); }
.particle:nth-child(9) { left: 15%; top: 40%; animation-delay: 3.5s; animation-duration: 9.5s; }
.particle:nth-child(10) { left: 75%; top: 55%; animation-delay: 2s; animation-duration: 8s; background: var(--accent-cyan); box-shadow: 0 0 6px var(--accent-cyan); }

@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(0) scale(1); }
  20% { opacity: 0.8; }
  80% { opacity: 0.8; }
  100% { opacity: 0; transform: translateY(-120px) scale(0.5); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 30px;
  font-family: var(--font-bangla);
  animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { border-color: rgba(0, 212, 255, 0.2); }
  50% { border-color: rgba(0, 212, 255, 0.6); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* Glitch Effect */
.glitch {
  position: relative;
  display: inline-block;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.glitch::before {
  color: var(--accent-cyan);
  clip-path: inset(40% 0 0 0);
  animation: glitchTop 4s infinite;
}

.glitch::after {
  color: var(--accent-magenta);
  clip-path: inset(0 0 40% 0);
  animation: glitchBottom 4s infinite;
}

@keyframes glitchTop {
  0%, 100% { transform: translate(0); opacity: 0; }
  1%, 3% { transform: translate(2px, -2px); opacity: 0.8; }
  2% { transform: translate(-2px, 2px); opacity: 0.6; }
  4%, 92% { transform: translate(0); opacity: 0; }
  93%, 95% { transform: translate(-1px, 1px); opacity: 0.7; }
  94% { transform: translate(1px, -1px); opacity: 0.5; }
  96%, 100% { transform: translate(0); opacity: 0; }
}

@keyframes glitchBottom {
  0%, 100% { transform: translate(0); opacity: 0; }
  1%, 3% { transform: translate(-2px, 2px); opacity: 0.8; }
  2% { transform: translate(2px, -2px); opacity: 0.6; }
  4%, 92% { transform: translate(0); opacity: 0; }
  93%, 95% { transform: translate(1px, -1px); opacity: 0.7; }
  94% { transform: translate(-1px, 1px); opacity: 0.5; }
  96%, 100% { transform: translate(0); opacity: 0; }
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* Stats Row */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 50px;
  padding: 30px;
  background: rgba(19, 28, 49, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.stat-item {
  text-align: center;
  padding: 10px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--accent-cyan);
  display: block;
  text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.stat-label {
  font-family: var(--font-bangla);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

/* --- SERVICE SECTION --- */
#services {
  position: relative;
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.02) 0%, transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(255, 45, 149, 0.02) 0%, transparent 60%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.service-card {
  background: var(--bg-card);
  background-image: radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.05) 0%, transparent 65%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 28px;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  cursor: default;
  box-shadow:
    inset 0 0 0 1px rgba(0, 212, 255, 0.04),
    0 4px 20px rgba(0, 0, 0, 0.2),
    0 0 30px rgba(0, 212, 255, 0.02);
}

/* Always-visible gradient top bar */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-2);
  opacity: 0.75;
  z-index: 1;
  transition: opacity var(--transition-normal);
}

/* Corner decorative dot */
.service-card::after {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
  opacity: 0.35;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.3),
    inset 0 0 30px rgba(0, 212, 255, 0.05),
    0 0 40px rgba(0, 212, 255, 0.05);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover::after {
  opacity: 1;
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.8);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: block;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.2));
  transition: transform var(--transition-normal);
  position: relative;
  z-index: 0;
}

.service-card:hover .service-icon {
  transform: scale(1.15);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  margin-bottom: 6px;
  text-transform: uppercase;
  opacity: 0.85;
}

.service-card h3 .bn-title {
  font-family: var(--font-bangla);
  font-size: 1.25rem;
  letter-spacing: 0;
  text-transform: none;
  display: block;
  margin-top: 6px;
  color: var(--text-primary);
  font-weight: 600;
  opacity: 1;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- WHY US SECTION --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(124, 58, 237, 0.05);
  border-color: rgba(124, 58, 237, 0.3);
}

.why-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 1px solid rgba(0, 212, 255, 0.15);
  transition: all var(--transition-normal);
}

.why-card:hover .why-icon {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.15);
  transform: scale(1.1);
}

.why-card h3 {
  font-family: var(--font-bangla);
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 700;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- PROCESS SECTION --- */
#process {
  position: relative;
}

#process::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 70% 30%, rgba(124, 58, 237, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  z-index: 1;
}

.process-step {
  text-align: center;
  position: relative;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.process-step:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.05);
  transform: translateY(-4px);
}

.process-step .step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
  transition: transform var(--transition-normal);
}

.process-step:hover .step-number {
  transform: scale(1.1);
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.process-step h3 .bn-step {
  font-family: var(--font-bangla);
  font-size: 1.1rem;
  letter-spacing: 0;
  text-transform: none;
  display: block;
  margin-top: 4px;
  color: var(--text-primary);
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Connector between steps */
.process-connector {
  display: none;
}

/* --- TECH / PARTNERS SECTION --- */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: rgba(19, 28, 49, 0.6);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: 50px;
  font-family: var(--font-bangla);
  font-size: 1rem;
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  cursor: default;
}

.tech-badge:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.05);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.1);
  transform: translateY(-3px);
}

.tech-badge .tech-icon {
  font-size: 1.3rem;
}

.tech-badge .tech-name {
  font-size: 0.9rem;
  font-weight: 500;
}

/* --- CONTACT SECTION --- */
#contact {
  position: relative;
}

#contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 45, 149, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateX(4px);
}

.contact-card .contact-emoji {
  font-size: 1.8rem;
  width: 54px;
  height: 54px;
  min-width: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.06);
  border-radius: var(--radius-sm);
}

.contact-card .contact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: var(--font-display);
}

.contact-card .contact-value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-bangla);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-bangla);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-bangla);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 0 25px rgba(0, 212, 255, 0.15);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.35);
}

/* --- FOOTER --- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 20px,
    var(--accent-cyan) 20px,
    var(--accent-cyan) 21px,
    transparent 21px,
    transparent 40px,
    var(--accent-purple) 40px,
    var(--accent-purple) 41px,
    transparent 41px,
    transparent 60px,
    var(--accent-magenta) 60px,
    var(--accent-magenta) 61px,
    transparent 61px,
    transparent 80px
  );
  opacity: 0.3;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-tagline {
  font-family: var(--font-bangla);
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 300px;
  line-height: 1.7;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  font-family: var(--font-bangla);
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   RESPONSIVE — Mobile-First Breakpoints
   ============================================================ */

/* Small devices (< 480px) */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 50px 0; }
  .section-title { font-size: clamp(1.4rem, 6vw, 1.8rem); letter-spacing: 1px; }
  .section-subtitle { font-size: clamp(0.85rem, 3vw, 1rem); margin-bottom: 36px; }

  /* Hero */
  .hero h1 { font-size: clamp(1.5rem, 8vw, 2.5rem); letter-spacing: 1px; }
  .hero-badge { font-size: 0.75rem; padding: 6px 16px; }
  .glitch { letter-spacing: 1px; }
  .hero-sub { font-size: clamp(0.85rem, 3vw, 1rem); margin-bottom: 30px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 16px; }
  .stat-number { font-size: clamp(1.2rem, 5vw, 1.8rem); }
  .stat-label { font-size: 0.75rem; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; padding: 14px 24px; min-height: 48px; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; gap: 20px; }
  .service-card { padding: 20px; }
  .service-card h3 { font-size: 0.65rem; }
  .service-card h3 .bn-title { font-size: 1.1rem; }
  .service-card p { font-size: 0.85rem; }
  .service-icon { font-size: 2rem; margin-bottom: 16px; }

  /* Why Us */
  .why-grid { grid-template-columns: 1fr; gap: 20px; }
  .why-card { padding: 24px; }
  .why-card h3 { font-size: 1.1rem; }
  .why-card p { font-size: 0.85rem; }
  .why-icon { width: 54px; height: 54px; font-size: 1.5rem; margin-bottom: 18px; }

  /* Process */
  .process-flow { grid-template-columns: 1fr; gap: 16px; }
  .process-step { padding: 28px 20px; }
  .process-step h3 { font-size: 0.75rem; }
  .process-step h3 .bn-step { font-size: 1rem; }
  .process-step p { font-size: 0.85rem; }

  /* Tech */
  .tech-badge { padding: 10px 20px; font-size: 0.9rem; gap: 8px; }

  /* Contact */
  .contact-wrapper { grid-template-columns: 1fr; gap: 28px; }
  .contact-form { padding: 20px; }
  .contact-info { gap: 16px; }
  .contact-card { padding: 18px; gap: 16px; }
  .contact-card .contact-emoji { width: 44px; height: 44px; min-width: 44px; font-size: 1.4rem; }
  .contact-card .contact-value { font-size: 0.9rem; }
  .form-group input,
  .form-group textarea { padding: 14px 16px; font-size: 16px; min-height: 48px; }
  .form-submit { padding: 16px; font-size: 1rem; min-height: 48px; }

  /* Footer */
  footer { padding: 40px 0 24px; }
  .footer-content { grid-template-columns: 1fr; gap: 32px; }
  .footer-tagline { font-size: 0.85rem; }
  .footer-links h4 { font-size: 0.7rem; margin-bottom: 14px; }
  .footer-links a { font-size: 0.85rem; padding: 5px 0; }
  .footer-bottom p { font-size: 0.75rem; }

  /* Scanline reduced on mobile */
  body::after { opacity: 0.3; }

  /* Hide some hero particles on mobile */
  .particle:nth-child(n+6) { display: none; }
}

/* Tablets (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
  .container { padding: 0 24px; }
  .section { padding: 60px 0; }
  .section-title { font-size: clamp(1.5rem, 5vw, 2rem); }
  .section-subtitle { font-size: clamp(0.9rem, 2.5vw, 1.05rem); margin-bottom: 44px; }

  /* Hero */
  .hero h1 { font-size: clamp(1.8rem, 7vw, 3rem); }
  .hero-badge { font-size: 0.8rem; }
  .hero-sub { font-size: clamp(0.9rem, 2.5vw, 1.05rem); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px; }
  .stat-number { font-size: clamp(1.4rem, 4vw, 2rem); }
  .hero-ctas { gap: 14px; }

  /* Services */
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .service-card { padding: 24px; }
  .service-card h3 .bn-title { font-size: 1.15rem; }
  .service-card p { font-size: 0.85rem; }

  /* Why Us */
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .why-card { padding: 28px 24px; }

  /* Process */
  .process-flow { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .process-step { padding: 32px 20px; }

  /* Tech */
  .tech-badge { padding: 12px 24px; }

  /* Contact */
  .contact-wrapper { grid-template-columns: 1fr; gap: 36px; }
  .contact-form { padding: 28px; }
  .form-group input,
  .form-group textarea { font-size: 16px; min-height: 48px; }

  /* Footer */
  .footer-content { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom p { font-size: 0.8rem; }

  /* Scanline reduced on mobile */
  body::after { opacity: 0.4; }

  /* Hide some hero particles on tablet */
  .particle:nth-child(n+8) { display: none; }
}

/* Desktop / Tablet Landscape (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .process-flow { grid-template-columns: repeat(2, 1fr); }
}

/* Large Desktop (1025px - 1280px) */
@media (min-width: 1025px) and (max-width: 1280px) {
  /* Default grid layouts work fine */
}

/* Ultra-wide (1281px+) */
@media (min-width: 1281px) {
  .container { padding: 0 40px; }
}

/* --- Mobile Navigation --- */
/* Show hamburger on smaller screens, stack nav */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 40px;
    transition: right var(--transition-slow);
    border-left: 1px solid var(--border-color);
    z-index: 999;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 14px;
    width: 100%;
    text-align: center;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links a::after {
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
  }

  .nav-links a:hover::after,
  .nav-links a.active::after {
    width: 60%;
  }

  .nav-cta {
    margin-top: 16px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Hamburger overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }

  .nav-overlay.active {
    opacity: 1;
    pointer-events: all;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  body::after { animation: none; }
  .glitch::before,
  .glitch::after { display: none; }
}