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

:root {
  --bg-dark:    #0a0e17;
  --bg-card:    rgba(15, 25, 45, 0.4);
  --bg-glass:   rgba(10,14,23,0.5);
  --neon-green: #00ff88;
  --neon-blue:  #00d4ff;
  --neon-purple:#a855f7;
  --neon-pink:  #ff4d8f;
  --text-primary: #e8eaf6;
  --text-muted:   #8892a4;
  --border:       rgba(0,255,136,0.2);
  --shadow-glow: 0 0 24px rgba(0,255,136,0.25), 0 0 48px rgba(0,212,255,0.1);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.3);
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── CANVAS PARTICLES ── */
#particles-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: linear-gradient(180deg, rgba(10,14,23,0.95), rgba(10,14,23,0.8));
  border-bottom: 1.5px solid var(--border);
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.nav-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.4rem;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  position: relative;
  padding: 4px 8px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--neon-green);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
  color: #0a0e17 !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 700 !important;
  font-size: 0.82rem !important;
  letter-spacing: 1px;
  transition: opacity 0.2s !important;
}

.nav-cta:hover {
  opacity: 0.85;
  color: #0a0e17 !important;
}

/* ── SECTIONS ── */
section {
  position: relative;
  z-index: 1;
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 5% 80px;
  background: radial-gradient(ellipse 80% 100% at 50% 0%, rgba(0, 255, 136, 0.08), transparent 70%);
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(10,14,23,0.6) 100%);
  pointer-events: none;
}

.hero-title {
  margin-bottom: 1rem !important;
  text-align: center !important;
}

.hero-badge {
  margin-top: 1rem !important;
  text-align: center !important;
  display: block !important;
  width: fit-content;
  margin-left: auto !important;
  margin-right: auto !important;
}

.hero-badge {
  display: inline-block;
  border: 1.5px solid var(--neon-green);
  color: var(--neon-green);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 3px;
  padding: 8px 24px;
  border-radius: 40px;
  text-transform: uppercase;
  margin-bottom: 2rem;
  animation: fadeUp 0.6s ease both;
  background: rgba(0, 255, 136, 0.05);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.2), inset 0 0 20px rgba(0, 255, 136, 0.05);
  transition: all 0.3s ease;
}

.hero-badge:hover {
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.4), inset 0 0 30px rgba(0, 255, 136, 0.1);
  transform: scale(1.05);
}

/* Glitch text effect for hero title */
.hero-title {
  position: relative;
  display: inline-block;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  line-height: 1.1;
}

.hero-title .glitch-layer {
  position: relative;
  display: inline-block;
}

/* Pseudo layers for glitch */
.hero-title.glitch .glitch-layer::before,
.hero-title.glitch .glitch-layer::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  clip-path: inset(0 0 0 0);
  opacity: 0.9;
}

/* Red/blue channel offsets */
.hero-title.glitch .glitch-layer::before {
  left: 2px;
  text-shadow: -2px 0 #ff005c;
  animation: glitchTop 2.1s infinite linear alternate-reverse;
}

.hero-title.glitch .glitch-layer::after {
  left: -2px;
  text-shadow: 2px 0 #00fff9;
  animation: glitchBottom 1.9s infinite linear alternate-reverse;
}

/* Keyframes for glitch */
@keyframes glitchTop {
  0% {
    clip-path: inset(0 0 80% 0);
    transform: translate(0, 0);
  }
  20% {
    clip-path: inset(10% 0 60% 0);
    transform: translate(-1px, -1px);
  }
  40% {
    clip-path: inset(20% 0 40% 0);
    transform: translate(1px, 1px);
  }
  60% {
    clip-path: inset(40% 0 30% 0);
    transform: translate(-1px, 0);
  }
  80% {
    clip-path: inset(60% 0 10% 0);
    transform: translate(1px, -1px);
  }
  100% {
    clip-path: inset(80% 0 0 0);
    transform: translate(0, 1px);
  }
}

@keyframes glitchBottom {
  0% {
    clip-path: inset(80% 0 0 0);
    transform: translate(0, 0);
  }
  20% {
    clip-path: inset(60% 0 10% 0);
    transform: translate(1px, 1px);
  }
  40% {
    clip-path: inset(40% 0 30% 0);
    transform: translate(-1px, -1px);
  }
  60% {
    clip-path: inset(20% 0 40% 0);
    transform: translate(1px, 0);
  }
  80% {
    clip-path: inset(10% 0 60% 0);
    transform: translate(-1px, 1px);
  }
  100% {
    clip-path: inset(0 0 80% 0);
    transform: translate(0, -1px);
  }
}

h1 {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

h1 .accent-green {
  color: var(--neon-green);
}

h1 .accent-blue {
  color: var(--neon-blue);
}

/* Glitch hover effect for headings */
h2, h3 {
  position: relative;
}

h2.glitch-hover::before,
h2.glitch-hover::after,
h3.glitch-hover::before,
h3.glitch-hover::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0.8;
}

h2.glitch-hover::before,
h3.glitch-hover::before {
  animation: glitch-shift-1 0.2s infinite;
  text-shadow: -2px 0 #ff005c;
}

h2.glitch-hover::after,
h3.glitch-hover::after {
  animation: glitch-shift-2 0.2s infinite reverse;
  text-shadow: 2px 0 #00fff9;
}

@keyframes glitch-shift-1 {
  0% { transform: translate(-1px, -1px); }
  50% { transform: translate(1px, 1px); }
  100% { transform: translate(-1px, -1px); }
}

@keyframes glitch-shift-2 {
  0% { transform: translate(1px, 1px); }
  50% { transform: translate(-1px, -1px); }
  100% { transform: translate(1px, 1px); }
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
  color: #0a0e17;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 10px;
  border: 1px solid rgba(0, 255, 136, 0.3);
  cursor: pointer;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 0 24px rgba(0,255,136,0.4), 0 8px 24px rgba(0,212,255,0.2);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(0,255,136,0.6), 0 12px 32px rgba(0,212,255,0.3);
}

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(0,255,136,0.5), 0 6px 16px rgba(0,212,255,0.2);
}

.btn-outline {
  background: transparent;
  color: var(--neon-blue);
  border: 1.5px solid var(--neon-blue);
  padding: 14px 32px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(0,212,255,0.2);
}

.btn-outline:hover {
  background: rgba(0,212,255,0.15);
  box-shadow: 0 0 25px rgba(0,212,255,0.4), 0 4px 12px rgba(0,212,255,0.15);
  transform: translateY(-2px);
}


.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 4rem;
  animation: fadeUp 0.6s 0.4s ease both;
}

.hero-stats .stat {
  text-align: center;
  background: transparent !important;
  border: none !important;
  padding: 1rem 0 !important;
  box-shadow: none !important;
  min-width: auto;
}

.stat-number {
  font-family: 'Orbitron', monospace;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(0,255,136,0.5);
  filter: drop-shadow(0 0 12px rgba(0,255,136,0.3));
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* Robotics stat special styling */
.hero-stats .stat:nth-child(5) .stat-number {
  font-family: system-ui, sans-serif;
  font-size: 2.8rem;
  background: none;
  -webkit-text-fill-color: unset;
  background-clip: unset;
  -webkit-background-clip: unset;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.5), 0 0 40px rgba(168, 85, 247, 0.2);
  filter: drop-shadow(0 0 16px rgba(168, 85, 247, 0.4));
  animation: roboticsFloat 3s ease-in-out infinite;
}

.hero-stats .stat:nth-child(5) .stat-label {
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
  letter-spacing: 0.5px;
}

@keyframes roboticsFloat {
  0%, 100% {
    transform: translateY(0px) rotateZ(0deg);
  }
  50% {
    transform: translateY(-12px) rotateZ(5deg);
  }
}

/* ── SECTION COMMON ── */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  animation: fadeUp 0.6s ease both;
}

h2 {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeUp 0.6s ease both;
}

.section-desc {
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  font-size: 1rem;
}

/* ── BEFORE VS AFTER ── */
#before-after {
  padding: 100px 5%;
  background: linear-gradient(180deg, transparent, rgba(0,255,136,0.06), rgba(0,212,255,0.03), transparent);
  position: relative;
}

.before-after-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 4rem;
}

.before-card, .after-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s ease;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.before-card:hover, .after-card:hover {
  transform: translateY(-8px);
}

.before-card:hover {
  border-color: #ff4d4d;
  box-shadow: 0 0 30px rgba(255, 77, 77, 0.3), 0 12px 36px rgba(0, 0, 0, 0.3);
}

.after-card:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.4), 0 12px 36px rgba(0, 0, 0, 0.3);
}

.before-after-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 1.2rem;
}

.before-badge {
  background: rgba(255, 77, 77, 0.1);
  color: #ff4d4d;
  border: 1px solid rgba(255, 77, 77, 0.3);
}

.after-badge {
  background: rgba(0, 255, 136, 0.1);
  color: var(--neon-green);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.before-card h3, .after-card h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.before-card h3 {
  color: #ff4d4d;
}

.after-card h3 {
  color: var(--neon-green);
}

.before-card ul, .after-card ul {
  list-style: none;
}

.before-card li, .after-card li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 8px 0;
  padding-left: 1.4rem;
  position: relative;
  line-height: 1.6;
}

.before-card li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: #ff4d4d;
  font-weight: 700;
}

.after-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--neon-green);
  font-weight: 700;
}

/* Persona cards */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.persona-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
  transition: all 0.4s ease;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(0,212,255,0.1);
}

.persona-card:hover {
  transform: translateY(-6px);
  border-color: var(--neon-blue);
  box-shadow: 0 0 30px rgba(0,212,255,0.4), 0 12px 36px rgba(0, 0, 0, 0.3);
}

.persona-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}

.persona-card h4 {
  font-family: 'Orbitron', monospace;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.persona-before, .persona-after {
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 0.8rem;
  border-radius: 8px;
  margin-bottom: 0.6rem;
}

.persona-before {
  background: rgba(255, 77, 77, 0.05);
  border-left: 3px solid #ff4d4d;
  color: var(--text-muted);
}

.persona-after {
  background: rgba(0, 255, 136, 0.05);
  border-left: 3px solid var(--neon-green);
  color: var(--text-primary);
}

.persona-before strong, .persona-after strong {
  font-weight: 600;
}

.persona-before strong {
  color: #ff4d4d;
}

.persona-after strong {
  color: var(--neon-green);
}

/* ── FEATURES ── */
#features {
  padding: 100px 5%;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s ease;
  position: relative;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--neon-green);
  box-shadow: 0 0 30px rgba(0,255,136,0.5), 0 12px 36px rgba(0,255,136,0.15), inset 0 1px 0 rgba(0,255,136,0.1);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--neon-green);
}

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

/* ── HOW IT WORKS ── */
#how-it-works {
  padding: 100px 5%;
  background: linear-gradient(180deg, transparent, rgba(0,255,136,0.04), rgba(0,212,255,0.04), transparent);
  position: relative;
}

.steps {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px var(--neon-green);
  line-height: 1;
  padding-top: 4px;
}

.step h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ── WASTE TYPES ── */
#waste-types {
  padding: 100px 5%;
}

.waste-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.waste-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.4s ease;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(0,255,136,0.1);
}

.waste-card:hover {
  border-color: rgba(0,212,255,0.6);
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(0,212,255,0.4), 0 12px 36px rgba(0, 0, 0, 0.3);
}

.waste-category {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.cat-hazardous {
  color: #ff4d4d;
}

.cat-industrial {
  color: var(--neon-blue);
}

.cat-organic {
  color: var(--neon-green);
}

.waste-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.waste-card p {
  font-size: 0.83rem;
  color: var(--text-muted);
}

/* ── IMPACT ── */
#impact {
  padding: 100px 5%;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.impact-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(0,255,136,0.1);
  transition: all 0.4s ease;
}

.impact-card:hover {
  transform: translateY(-6px);
  border-color: var(--neon-green);
  box-shadow: 0 0 30px rgba(0,255,136,0.4), 0 12px 36px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(0,255,136,0.2);
}

.impact-number {
  font-family: 'Orbitron', monospace;
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(0,255,136,0.4);
  filter: drop-shadow(0 0 16px rgba(0,255,136,0.3));
  line-height: 1;
  animation: numberPulse 2s ease-in-out infinite;
}

@keyframes numberPulse {
  0%, 100% { filter: drop-shadow(0 0 16px rgba(0,255,136,0.3)); }
  50% { filter: drop-shadow(0 0 24px rgba(0,255,136,0.5)); }
}

.impact-unit {
  font-size: 1rem;
  color: var(--neon-blue);
  margin-left: 4px;
}

.impact-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  letter-spacing: 0.5px;
}

/* ── TECHNOLOGY ── */
#technology {
  padding: 100px 5%;
  background: linear-gradient(180deg, transparent, rgba(0,212,255,0.05), rgba(168,85,247,0.03), transparent);
  position: relative;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.tech-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: all 0.4s ease;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(0,255,136,0.1);
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,212,255,0.6);
  box-shadow: 0 0 30px rgba(0,212,255,0.4), 0 12px 36px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(0,212,255,0.2);
}

.tech-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.badge-ai {
  background: rgba(168,85,247,0.15);
  color: var(--neon-purple);
  border: 1px solid rgba(168,85,247,0.3);
}

.badge-iot {
  background: rgba(0,212,255,0.1);
  color: var(--neon-blue);
  border: 1px solid rgba(0,212,255,0.3);
}

.badge-cloud {
  background: rgba(0,255,136,0.1);
  color: var(--neon-green);
  border: 1px solid rgba(0,255,136,0.3);
}

.badge-route {
  background: rgba(255,170,0,0.1);
  color: #ffaa00;
  border: 1px solid rgba(255,170,0,0.3);
}

.tech-card h3 {
  font-family: 'Orbitron', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.tech-card p {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── COMPLIANCE ── */
#compliance {
  padding: 100px 5%;
}

.compliance-inner {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(0,255,136,0.1);
  transition: all 0.4s ease;
}

.compliance-inner:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 30px rgba(0,255,136,0.3), 0 16px 48px rgba(0, 0, 0, 0.4);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.compliance-item {
  text-align: center;
}

.compliance-icon {
  font-size: 2.4rem;
  margin-bottom: 0.6rem;
}

.compliance-item h4 {
  font-family: 'Orbitron', monospace;
  font-size: 0.9rem;
  color: var(--neon-green);
  margin-bottom: 0.4rem;
}

.compliance-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── USE CASES ── */
#use-cases {
  padding: 100px 5%;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.usecase-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: all 0.4s ease;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(0,255,136,0.1);
}

.usecase-card:hover {
  border-color: var(--neon-green);
  transform: translateY(-6px);
  box-shadow: 0 0 30px rgba(0,255,136,0.4), 0 12px 36px rgba(0, 0, 0, 0.3);
}

.usecase-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.usecase-card h3 {
  font-family: 'Orbitron', monospace;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.usecase-card ul {
  list-style: none;
}

.usecase-card li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 3px 0;
  padding-left: 1.2rem;
  position: relative;
}

.usecase-card li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--neon-green);
}

/* ── CTA SECTION ── */
#cta {
  padding: 120px 5%;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0,255,136,0.12), transparent);
  position: relative;
}

#cta h2 {
  margin-bottom: 1.2rem;
}

#cta p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

.cta-form {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 500px;
  margin: 0 auto;
}

.cta-input {
  flex: 1;
  min-width: 220px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text-primary);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  outline: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.cta-input:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3), 0 4px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.cta-input::placeholder {
  color: var(--text-muted);
}

/* ── FOOTER ── */
footer {
  background: linear-gradient(180deg, rgba(10,14,23,0.95), rgba(0,0,0,0.98));
  border-top: 1.5px solid var(--border);
  padding: 3rem 5%;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.2rem;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding: 2px 4px;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
  transition: width 0.3s ease;
}

.footer-links a:hover {
  color: var(--neon-green);
}

.footer-links a:hover::after {
  width: 100%;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4), 0 0 40px rgba(0, 255, 136, 0.1);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.6), 0 0 60px rgba(0, 255, 136, 0.2);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  animation: fadeUp 0.6s ease;
}

/* ── MOBILE ── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10,14,23,0.98);
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: block;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .step {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .step-num {
    font-size: 1.5rem;
  }
}

/* Robot assistant floating button */
#robot-assistant {
  position: fixed;
  right: 1.8rem;
  bottom: 1.8rem;
  z-index: 999;
  font-family: 'Orbitron', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

#robot-button {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(0, 255, 204, 0.5);
  background: radial-gradient(circle at 30% 10%, #1af2ff 0, #00121f 60%);
  color: #ffffff;
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(0, 255, 204, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  animation: robotFloat 3s ease-in-out infinite;
}

/* Hover / active states */
#robot-button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 26px rgba(0, 255, 204, 1);
}

#robot-button:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 0 10px rgba(0, 255, 204, 0.8);
}

/* Pulsing Glow */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 136, 0.4); }
  50% { box-shadow: 0 0 40px rgba(0, 255, 136, 0.8), 0 0 60px rgba(0, 255, 136, 0.3); }
}

/* Cards — clean transparent outline only */
.feature-card, .tech-card, .impact-card, .waste-card, .usecase-card {
  position: relative;
  transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover, .tech-card:hover, .impact-card:hover, .waste-card:hover, .usecase-card:hover {
  transform: translateY(-6px);
}

/* Enhanced Button Effects */
.btn-primary, #robot-button, .nav-cta, #robot-close {
  position: relative;
  overflow: hidden;
}

.btn-primary::after, #robot-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:active::after, #robot-button:active::after {
  width: 300px;
  height: 300px;
}

.btn-primary:active, #robot-button:active {
  transform: scale(0.95) rotate(5deg);
  animation: shake 0.5s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Hero Stats Pulse */
.stat {
  animation: pulseGlow 4s infinite;
}

/* Nav Hover Glow */
.nav-links a:hover {
  text-shadow: 0 0 10px var(--neon-green);
  animation: pulseGlow 1s infinite;
}

@keyframes robotFloat {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

/* Robot panel */
#robot-panel {
  position: absolute;
  right: 70px;
  bottom: 0;
  width: 260px;
  background: rgba(5, 10, 20, 0.95);
  border-radius: 16px;
  border: 1px solid rgba(0, 255, 204, 0.4);
  box-shadow: 0 0 20px rgba(0, 255, 204, 0.5);
  padding: 1rem 1.1rem;
  color: var(--text-primary, #e5f0ff);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.8rem;
  line-height: 1.4;
  display: none;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

#robot-panel h4 {
  font-size: 0.9rem;
  margin: 0 0 0.4rem;
  color: var(--neon-green, #00ffcc);
}

#robot-panel ul {
  padding-left: 1rem;
  margin: 0.3rem 0 0.6rem;
}

#robot-panel li {
  margin-bottom: 0.2rem;
}

#robot-close {
  background: transparent;
  border: 1px solid rgba(0, 255, 204, 0.6);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  font-size: 0.75rem;
  color: var(--neon-blue, #00c8ff);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#robot-close:hover {
  background: rgba(0, 255, 204, 0.08);
  animation: pulseGlow 1s infinite;
}