/* ==========================================================================
   Core Aerobots LLC — Main Stylesheet
   
   TABLE OF CONTENTS:
   1. Variables (colors, fonts — edit these to change the whole site)
   2. Reset & Base
   3. Navigation
   4. Hero Section (dark)
   5. Section Common (light)
   6. About Section
   7. Technology Section
   8. Use Cases Section
   9. Contact Section
   10. Footer (dark)
   11. Responsive / Mobile
   ========================================================================== */


/* ==========================================================================
   1. VARIABLES — Change colors/fonts here to restyle the whole site
   ========================================================================== */
:root {
  /* Dark palette (hero, nav, footer) */
  --dark-bg: #0a0c10;
  --dark-text: #e8eaf0;
  --dark-text-secondary: #8a90a0;
  --dark-text-muted: #555b6e;
  --dark-border: rgba(255, 255, 255, 0.06);

  /* Light palette (body sections) */
  --light-bg: #ffffff;
  --light-bg-alt: #f4f5f7;
  --light-bg-card: #ffffff;
  --light-bg-card-hover: #f9fafb;
  --light-text: #1a1d26;
  --light-text-secondary: #555b6e;
  --light-text-muted: #8a90a0;
  --light-border: rgba(0, 0, 0, 0.08);

  /* Brand accent colors */
  --accent-cyan: #00c8e0;
  --accent-cyan-deep: #0098aa;
  --accent-cyan-bg: rgba(0, 200, 224, 0.06);
  --accent-orange: #ff6b35;

  /* Effects */
  --glow-cyan: 0 0 40px rgba(0, 200, 224, 0.2);
}


/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Barlow', sans-serif;
  background: var(--light-bg);
  color: var(--light-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(0, 200, 224, 0.2);
}


/* ==========================================================================
   3. NAVIGATION
   ========================================================================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 12, 16, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
}

/* Logo */
.nav-logo {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dark-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo .core {
  color: var(--accent-cyan);
}

.nav-logo .aero {
  color: var(--dark-text);
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.nav-logo-icon::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.nav-logo-icon::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(0, 200, 224, 0.3);
  border-radius: 50%;
  animation: pulse-ring 2s infinite;
}

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

.nav-links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dark-text-secondary);
  text-decoration: none;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-cyan);
  transition: width 0.3s;
}

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

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

/* CTA button */
.nav-cta {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}

.nav-cta:hover {
  background: var(--accent-cyan);
  color: var(--dark-bg);
  box-shadow: var(--glow-cyan);
}

/* Mobile hamburger */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--dark-text-secondary);
  transition: all 0.3s;
}

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

.nav-mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 12, 16, 0.97);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dark-text);
  text-decoration: none;
  transition: color 0.3s;
}

.mobile-menu a:hover {
  color: var(--accent-cyan);
}


/* ==========================================================================
   4. HERO SECTION (DARK)
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--dark-bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(0, 200, 224, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 60%, rgba(255, 107, 53, 0.03) 0%, transparent 60%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 224, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 224, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

.hero-radar {
  position: absolute;
  width: 600px;
  height: 600px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  opacity: 0.08;
}

.hero-radar::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--accent-cyan);
}

.hero-radar::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  transform-origin: left center;
  animation: radar-sweep 4s linear infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 200, 224, 0.2);
  padding: 0.5rem 1.2rem;
  margin-bottom: 2rem;
  background: rgba(0, 200, 224, 0.03);
  animation: fadeSlideUp 0.8s ease both;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: blink 2s infinite;
}

.hero h1 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
  color: var(--dark-text);
  animation: fadeSlideUp 0.8s ease 0.15s both;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent-cyan), #00b8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-weight: 300;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--dark-text-secondary);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 2.5rem;
  animation: fadeSlideUp 0.8s ease 0.3s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeSlideUp 0.8s ease 0.45s both;
}

/* Buttons (reusable) */
.btn-primary {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.85rem 2.5rem;
  background: var(--accent-cyan);
  color: var(--dark-bg);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

.btn-primary:hover {
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

.btn-secondary {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.85rem 2.5rem;
  background: transparent;
  color: var(--dark-text);
  border: 1px solid var(--dark-border);
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Hero stats bar */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--dark-border);
  animation: fadeSlideUp 0.8s ease 0.6s both;
}

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

.stat-value {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--accent-cyan);
  line-height: 1;
}

.stat-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dark-text-muted);
  margin-top: 0.3rem;
}

/* Dark-to-light transition */
.hero-transition {
  height: 100px;
  background: linear-gradient(to bottom, var(--dark-bg), var(--light-bg));
}


/* ==========================================================================
   5. SECTION COMMON (LIGHT)
   ========================================================================== */
.section-light {
  padding: 5rem 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-cyan-deep);
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 0.8rem;
  color: var(--light-text);
}

.section-subtitle {
  font-weight: 300;
  font-size: 1.05rem;
  color: var(--light-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.divider-light {
  width: 100%;
  max-width: 1200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--light-border), transparent);
  margin: 0 auto;
}


/* ==========================================================================
   6. ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
  align-items: center;
}

.about-text p {
  color: var(--light-text-secondary);
  line-height: 1.8;
  margin-bottom: 1.2rem;
  font-weight: 300;
}

.about-text strong {
  color: var(--light-text);
  font-weight: 600;
}

/* Swarm visualization panel */
.about-visual {
  position: relative;
  height: 380px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  background: linear-gradient(135deg, #0d1017, #131825);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.15);
}

.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(0, 200, 224, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
}

.swarm-container {
  position: absolute;
  inset: 0;
}

.drone-node {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 200, 224, 0.5);
}

.drone-node::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-cyan);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Individual drone positions — see animations.css for movement */
.drone-node:nth-child(1) { top: 35%; left: 40%; }
.drone-node:nth-child(2) { top: 50%; left: 55%; }
.drone-node:nth-child(3) { top: 30%; left: 60%; }
.drone-node:nth-child(4) { top: 60%; left: 45%; }
.drone-node:nth-child(5) { top: 45%; left: 35%; }
.drone-node:nth-child(6) { top: 55%; left: 65%; }

/* Lead drone (orange) */
.drone-node:nth-child(7) {
  top: 40%;
  left: 50%;
  border-color: var(--accent-orange);
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.5);
}

.drone-node:nth-child(7)::after {
  background: var(--accent-orange);
}

.swarm-lines {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background:
    linear-gradient(45deg, transparent 48%, var(--accent-cyan) 49%, var(--accent-cyan) 51%, transparent 52%),
    linear-gradient(-30deg, transparent 48%, var(--accent-cyan) 49%, var(--accent-cyan) 51%, transparent 52%);
  background-size: 200px 200px, 180px 180px;
  mask-image: radial-gradient(ellipse 60% 60% at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at center, black 20%, transparent 70%);
}

.about-visual-label {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dark-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.3rem 0.7rem;
  background: rgba(10, 12, 16, 0.7);
}


/* ==========================================================================
   7. TECHNOLOGY SECTION
   ========================================================================== */
.tech-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.tech-card {
  background: var(--light-bg-card);
  border: 1px solid var(--light-border);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  border-radius: 8px;
}

.tech-card:hover {
  border-color: rgba(0, 200, 224, 0.3);
  background: var(--light-bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

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

.tech-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  background: var(--accent-cyan-bg);
  border: 1px solid rgba(0, 200, 224, 0.15);
  border-radius: 8px;
}

.tech-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent-cyan-deep);
  fill: none;
  stroke-width: 1.5;
}

.tech-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: var(--light-text);
}

.tech-card p {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--light-text-secondary);
  line-height: 1.7;
}

.tech-card-tag {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-cyan-deep);
  margin-top: 1rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(0, 200, 224, 0.15);
  background: var(--accent-cyan-bg);
  border-radius: 3px;
}


/* ==========================================================================
   8. USE CASES SECTION
   ========================================================================== */
.usecases {
  margin-top: 3rem;
}

.usecase-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--light-border);
  align-items: start;
}

.usecase-item:first-child {
  border-top: 1px solid var(--light-border);
}

.usecase-item:hover .usecase-number {
  color: var(--accent-cyan-deep);
  border-color: var(--accent-cyan-deep);
}

.usecase-number {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 3rem;
  color: var(--light-text-muted);
  border-right: 2px solid var(--light-border);
  padding-right: 2rem;
  text-align: right;
  transition: all 0.3s;
  line-height: 1;
}

.usecase-content h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--light-text);
}

.usecase-content p {
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--light-text-secondary);
  line-height: 1.7;
  max-width: 700px;
}

.usecase-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.usecase-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--light-border);
  color: var(--light-text-muted);
  border-radius: 3px;
}

.usecase-tag.highlight {
  border-color: rgba(0, 200, 224, 0.25);
  color: var(--accent-cyan-deep);
  background: var(--accent-cyan-bg);
}


/* ==========================================================================
   9. CONTACT SECTION
   ========================================================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info p {
  color: var(--light-text-secondary);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--light-border);
  border-radius: 8px;
  transition: all 0.3s;
  background: var(--light-bg-card);
}

.contact-channel:hover {
  border-color: rgba(0, 200, 224, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.contact-channel-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-cyan-bg);
  border: 1px solid rgba(0, 200, 224, 0.15);
  border-radius: 6px;
  flex-shrink: 0;
}

.contact-channel-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent-cyan-deep);
  fill: none;
  stroke-width: 1.5;
}

.contact-channel-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--light-text-muted);
}

.contact-channel-value {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--light-text);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--light-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: 'Barlow', sans-serif;
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  background: var(--light-bg-card);
  border: 1px solid var(--light-border);
  border-radius: 6px;
  color: var(--light-text);
  outline: none;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-bg);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238a90a0' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-submit {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  background: var(--accent-cyan-deep);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 0.5rem;
}

.form-submit:hover {
  background: var(--accent-cyan);
  color: var(--dark-bg);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}


/* ==========================================================================
   10. FOOTER (DARK)
   ========================================================================== */
footer {
  background: var(--dark-bg);
}

.footer-inner {
  padding: 3rem 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--dark-text-muted);
}

.footer-right {
  display: flex;
  gap: 2rem;
}

.footer-right a {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dark-text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-right a:hover {
  color: var(--accent-cyan);
}


/* ==========================================================================
   11. RESPONSIVE / MOBILE
   ========================================================================== */
@media (max-width: 900px) {
  .about-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .tech-cards {
    grid-template-columns: 1fr 1fr;
  }

  .hero-stats {
    gap: 2rem;
  }

  .usecase-item {
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  nav {
    padding: 1rem;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .tech-cards {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .usecase-item {
    grid-template-columns: 1fr;
  }

  .usecase-number {
    border-right: none;
    text-align: left;
    padding-right: 0;
    font-size: 2rem;
  }

  .section-light {
    padding: 3.5rem 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}


/* ==========================================================================
   12. SHARED HELPERS (status pills, eyebrow on dark, lead text)
   ========================================================================== */
.pill {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.22rem 0.6rem;
  border-radius: 3px;
}
.pill-live {
  color: #128a5b;
  background: rgba(34, 197, 94, 0.10);
  border: 1px solid rgba(34, 197, 94, 0.28);
}
.pill-next {
  color: var(--accent-orange);
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.28);
}
.section-center { text-align: center; }
.section-center .section-subtitle { margin-left: auto; margin-right: auto; }


/* ==========================================================================
   13. MISSION SECTION (DARK — the origin story / why we exist)
   ========================================================================== */
.mission {
  position: relative;
  background: var(--dark-bg);
  color: var(--dark-text);
  overflow: hidden;
  padding: 6.5rem 2.5rem;
}
.mission::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 82% 12%, rgba(0, 200, 224, 0.07), transparent 60%),
    radial-gradient(ellipse 90% 60% at 8% 95%, rgba(255, 107, 53, 0.06), transparent 55%);
}
.mission-inner {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
}
.mission-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}
.mission-title {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.5px;
  margin-bottom: 1.8rem;
}
.mission-title .highlight {
  background: linear-gradient(135deg, var(--accent-cyan), #00b8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mission-lead {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 300;
  color: var(--dark-text);
  line-height: 1.6;
  max-width: 780px;
  margin-bottom: 2.2rem;
  border-left: 2px solid var(--accent-cyan);
  padding-left: 1.3rem;
}
.mission-body p {
  color: var(--dark-text-secondary);
  font-weight: 300;
  line-height: 1.9;
  max-width: 780px;
  margin-bottom: 1.3rem;
}
.mission-body strong { color: var(--dark-text); font-weight: 600; }
.mission-facts {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  margin: 2.8rem 0 0;
  padding: 2rem 0 0;
  border-top: 1px solid var(--dark-border);
}
.mission-fact-value {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--accent-cyan);
  line-height: 1;
}
.mission-fact-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dark-text-muted);
  margin-top: 0.5rem;
  max-width: 220px;
}


/* ==========================================================================
   14. HOW IT WORKS (numbered steps)
   ========================================================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.step {
  position: relative;
  padding: 2rem 1.6rem;
  border: 1px solid var(--light-border);
  border-radius: 8px;
  background: var(--light-bg-card);
  transition: all 0.4s ease;
}
.step:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 200, 224, 0.3);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}
.step-num {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan-deep);
  border: 1px solid rgba(0, 200, 224, 0.25);
  background: var(--accent-cyan-bg);
  border-radius: 50%;
  margin-bottom: 1.2rem;
}
.step h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1.18rem;
  margin-bottom: 0.5rem;
  color: var(--light-text);
}
.step p {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--light-text-secondary);
  line-height: 1.7;
}
.step .pill { margin-top: 1rem; }


/* ==========================================================================
   15. FEATURE BAND (DARK — perception / night vision split highlight)
   ========================================================================== */
.feature-band {
  background: var(--dark-bg);
  color: var(--dark-text);
  position: relative;
  overflow: hidden;
}
.feature-band-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5.5rem 2.5rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.feature-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 75% 50%, rgba(0, 200, 224, 0.08), transparent 60%);
}
.feature-band .mission-label { margin-bottom: 0.8rem; }
.feature-band h2 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.1;
  margin-bottom: 1.2rem;
}
.feature-band h2 .highlight {
  background: linear-gradient(135deg, var(--accent-cyan), #00b8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.feature-band p {
  color: var(--dark-text-secondary);
  font-weight: 300;
  line-height: 1.85;
  margin-bottom: 1.5rem;
  max-width: 540px;
}
.feature-checks { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; }
.feature-checks li {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  color: var(--dark-text);
  font-weight: 300;
  font-size: 0.98rem;
  line-height: 1.5;
}
.feature-checks li strong { color: var(--dark-text); font-weight: 600; }
.feature-checks li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--accent-cyan) 0 4px, transparent 5px);
  border: 1px solid rgba(0, 200, 224, 0.4);
  box-shadow: 0 0 10px rgba(0, 200, 224, 0.35);
}

/* Thermal scope visual */
.scope {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 55%, #11243a 0%, #0a0f17 70%);
  border: 1px solid rgba(0, 200, 224, 0.18);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5), inset 0 0 60px rgba(0, 0, 0, 0.6);
}
.scope-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 224, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 224, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.scope-sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 50%;
  transform-origin: top left;
  background: conic-gradient(from 0deg, rgba(0, 200, 224, 0.22), transparent 35%);
  animation: radar-sweep 4.5s linear infinite;
}
.heat {
  position: absolute;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255, 107, 53, 0.95) 0%, rgba(255, 170, 60, 0.5) 45%, transparent 70%);
  box-shadow: 0 0 18px rgba(255, 107, 53, 0.6);
}
.heat::after {
  content: 'HUMAN 0.9';
  position: absolute;
  left: 130%;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 1px;
  color: var(--accent-orange);
  border: 1px solid rgba(255, 107, 53, 0.4);
  padding: 1px 5px;
  background: rgba(10, 12, 16, 0.7);
}
.heat.h1 { top: 38%; left: 44%; }
.heat.h2 { top: 62%; left: 58%; width: 20px; height: 20px; }
.heat.h2::after { content: 'HUMAN 0.82'; }
.heat.h3 { top: 54%; left: 32%; width: 18px; height: 18px; animation: blink 3s infinite; }
.heat.h3::after { content: 'CHECK 0.61'; color: var(--accent-cyan); border-color: rgba(0,200,224,0.4); }
.scope-label {
  position: absolute;
  bottom: 0.9rem;
  left: 0.9rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 200, 224, 0.25);
  padding: 0.25rem 0.6rem;
  background: rgba(10, 12, 16, 0.6);
}
.scope-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid rgba(0, 200, 224, 0.5);
}
.scope-corner.tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.scope-corner.tr { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.scope-corner.bl { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.scope-corner.br { bottom: 12px; right: 12px; border-left: none; border-top: none; }


/* ==========================================================================
   16. SAFETY LAYERS
   ========================================================================== */
.safety-layers {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
.safety-layer {
  padding: 1.6rem 1.3rem;
  border: 1px solid var(--light-border);
  border-top: 3px solid var(--accent-cyan-deep);
  border-radius: 6px;
  background: var(--light-bg-card);
  transition: all 0.3s;
}
.safety-layer:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}
.safety-layer-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-cyan-deep);
}
.safety-layer h4 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0.35rem 0 0.5rem;
  color: var(--light-text);
}
.safety-layer p {
  font-size: 0.82rem;
  color: var(--light-text-secondary);
  line-height: 1.6;
  font-weight: 300;
}


/* ==========================================================================
   17. PROOF / TRACTION (dark panel + real-vs-next)
   ========================================================================== */
.proof-panel {
  margin-top: 3rem;
  background: linear-gradient(135deg, #0d1017, #131825);
  border-radius: 12px;
  padding: 3rem 2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  position: relative;
  overflow: hidden;
}
.proof-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 30%, rgba(0, 200, 224, 0.1), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 107, 53, 0.05), transparent 50%);
}
.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 2;
}
.proof-stat { text-align: center; }
.proof-value {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3.1rem);
  color: var(--accent-cyan);
  line-height: 1;
}
.proof-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dark-text-secondary);
  margin-top: 0.6rem;
}
.real-vs-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.rvn-col {
  padding: 1.9rem;
  border-radius: 10px;
}
.rvn-col.real {
  background: var(--light-bg-card);
  border: 1px solid var(--light-border);
}
.rvn-col.next {
  background: var(--light-bg-alt);
  border: 1px dashed rgba(255, 107, 53, 0.35);
}
.rvn-col h4 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.3rem;
  color: var(--light-text);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.rvn-col > span {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--light-text-muted);
}
.rvn-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.2rem;
}
.rvn-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--light-text-secondary);
  line-height: 1.5;
  font-weight: 300;
}
.rvn-list li::before {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  flex-shrink: 0;
}
.rvn-col.real .rvn-list li::before { content: '✓'; color: #22c55e; }
.rvn-col.next .rvn-list li::before { content: '→'; color: var(--accent-orange); }


/* ==========================================================================
   18. ROADMAP + CTA BAND
   ========================================================================== */
.roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.roadmap-step {
  padding: 2rem 1.6rem;
  border: 1px solid var(--light-border);
  border-radius: 8px;
  background: var(--light-bg-card);
}
.roadmap-step.now { border-top: 3px solid #22c55e; }
.roadmap-step.next { border-top: 3px solid var(--accent-orange); }
.roadmap-step.then { border-top: 3px solid var(--accent-cyan-deep); }
.roadmap-step .phase {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--light-text-muted);
}
.roadmap-step.now .phase { color: #128a5b; }
.roadmap-step.next .phase { color: var(--accent-orange); }
.roadmap-step.then .phase { color: var(--accent-cyan-deep); }
.roadmap-step h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0.3rem 0 0.6rem;
  color: var(--light-text);
}
.roadmap-step p {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--light-text-secondary);
  line-height: 1.7;
}
.cta-band {
  margin-top: 3rem;
  text-align: center;
  padding: 3.5rem 2rem;
  background: linear-gradient(135deg, #0d1017, #131825);
  border-radius: 12px;
  color: var(--dark-text);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 0%, rgba(0, 200, 224, 0.12), transparent 60%);
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 1rem;
}
.cta-band p {
  color: var(--dark-text-secondary);
  max-width: 620px;
  margin: 0 auto 2rem;
  font-weight: 300;
  line-height: 1.7;
}


/* ==========================================================================
   19. RESPONSIVE — new sections
   ========================================================================== */
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .safety-layers { grid-template-columns: 1fr 1fr; }
  .proof-stats { grid-template-columns: 1fr 1fr; gap: 2.5rem 1rem; }
  .real-vs-next { grid-template-columns: 1fr; }
  .roadmap { grid-template-columns: 1fr; }
  .feature-band-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .scope { max-width: 420px; }
}
@media (max-width: 600px) {
  .steps { grid-template-columns: 1fr; }
  .safety-layers { grid-template-columns: 1fr; }
  .proof-stats { grid-template-columns: 1fr 1fr; }
  .mission { padding: 4rem 1.5rem; }
  .feature-band-inner { padding: 4rem 1.5rem; }
  .mission-facts { gap: 2rem; }
}