/* ============================================
   ADT - Advanced Design Technology
   Main Stylesheet
   ============================================ */

/* ============================================
   CSS Variables
   ============================================ */
:root {
  /* Primary Colors - Defence/Tech Theme */
  --primary-dark: #0a1628;
  --primary: #1a2d4a;
  --primary-light: #2d4a6f;

  /* Accent Colors */
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --accent-secondary: #00ff88;
  --accent-warning: #ff6b35;

  /* Neutral Colors */
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --black: #000000;

  /* Typography */
  --font-heading: "Days One", sans-serif;
  --font-subhead: "Jost", sans-serif;
  --font-body: "Open Sans", sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px var(--accent-glow);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Container */
  --container-max: 1400px;
  --container-padding: 1.5rem;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary-dark);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 400;
}

h4,
h5,
h6 {
  font-family: var(--font-subhead);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}
h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}
h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-4xl) 0;
}

/* ============================================
   Preloader
   ============================================ */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition:
    opacity 0.5s ease,
    visibility 0.5s ease;
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader span {
  font-family: var(--font-subhead);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
}

.radar-sweep {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent);
  border-radius: 50%;
  animation: radar-pulse 2s ease-out infinite;
}

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

@keyframes radar-pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@keyframes radar-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ============================================
   Navigation
   ============================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-base);
}

#header.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

.navbar {
  padding: var(--spacing-md) 0;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 3px;
}

.logo-tagline {
  font-size: 0.65rem;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Full ADVANCED DESIGN TECHNOLOGY lockup in the header (reversed for dark bg).
   Large and prominent at the top of the page; shrinks once the header is
   scrolled/compact (and on inner pages, which load in the scrolled state). */
.logo-img {
  height: 112px;
  width: auto;
  display: block;
  transition: height var(--transition-base);
}

#header.scrolled .logo-img {
  height: 56px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-subhead);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: color var(--transition-base);
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link i {
  font-size: 0.7rem;
  transition: transform var(--transition-base);
}

.nav-item:hover .nav-link i {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: var(--primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  padding: var(--spacing-sm) 0;
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--gray-300);
  font-size: 0.9rem;
  transition: all var(--transition-base);
}

.dropdown-menu li a:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
}

.dropdown-menu li a i {
  width: 20px;
  color: var(--accent);
}

/* Nav Button */
.btn-nav {
  background: var(--accent);
  color: var(--primary-dark) !important;
  padding: var(--spacing-sm) var(--spacing-lg) !important;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.btn-nav:hover {
  background: var(--white);
  color: var(--primary-dark) !important;
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2px;
  background: var(--white);
  display: block;
  transition: all var(--transition-base);
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--white);
  transition: all var(--transition-base);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.nav-toggle.active .hamburger {
  background: transparent;
}

.nav-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--primary-dark) 0%,
    var(--primary) 50%,
    var(--primary-light) 100%
  );
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.particles {
  position: absolute;
  width: 100%;
  height: 100%;
}

/* Circuit-board trace background (replaces floating dots) */
.particles svg {
  width: 100%;
  height: 100%;
  display: block;
}

.circuit-trace {
  fill: none;
  stroke: rgba(130, 150, 170, 0.22);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.circuit-pad {
  fill: #0a1a26;
  stroke: rgba(150, 170, 190, 0.34);
  stroke-width: 1.8;
}

.circuit-via {
  fill: rgba(150, 170, 190, 0.3);
}

/* Travelling "energy field" — a comet band flowing edge-in along a trace */
.circuit-pulse {
  fill: none;
  stroke: url(#adtComet);
  stroke-width: 3.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: url(#adtGlow);
  will-change: stroke-dashoffset;
  animation: circuit-pulse-travel var(--dur, 8s) linear infinite;
  animation-delay: var(--delay, 0s);
}

/* right-side traces travel the other way — use the mirrored comet gradient */
.circuit-pulse.rev {
  stroke: url(#adtCometRev);
}

@keyframes circuit-pulse-travel {
  0% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
  10% {
    opacity: var(--peak, 0.9);
  }
  85% {
    opacity: var(--peak, 0.9);
  }
  100% {
    stroke-dashoffset: -100;
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .circuit-pulse {
    animation: none;
    opacity: 0.4;
    stroke-dashoffset: -50;
  }
}

.grid-overlay {
  position: absolute;
  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: 50px 50px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% {
    transform: perspective(500px) rotateX(60deg) translateY(0);
  }
  100% {
    transform: perspective(500px) rotateX(60deg) translateY(50px);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1000px;
  padding: var(--spacing-2xl);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--accent);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-xl);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 5px var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 20px var(--accent-glow);
  }
}

.badge-icon {
  color: var(--accent);
}

.hero-badge span {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
}

.hero-title {
  margin-bottom: var(--spacing-xl);
}

.title-line {
  display: block;
  color: var(--white);
}

.title-line.highlight {
  color: var(--accent);
  position: relative;
}

.hero-subtitle {
  color: var(--gray-400);
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 400;
  color: var(--accent);
  display: inline;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--accent);
}

.stat-label {
  display: block;
  color: var(--gray-400);
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-subhead);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
}

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

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--gray-500);
}

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

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--primary-dark);
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.1rem;
}

.btn i {
  transition: transform var(--transition-base);
}

.btn:hover i {
  transform: translateX(4px);
}

/* Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--gray-500);
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.scroll-arrow {
  width: 24px;
  height: 40px;
  border: 2px solid var(--gray-500);
  border-radius: 12px;
  position: relative;
}

.scroll-arrow::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-bounce 1.5s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%,
  100% {
    top: 8px;
    opacity: 1;
  }
  50% {
    top: 20px;
    opacity: 0.5;
  }
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-3xl);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-subhead);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-tag::before,
.section-tag::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--accent);
}

.section-tag::before {
  right: calc(100% + 15px);
}

.section-tag::after {
  left: calc(100% + 15px);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-description {
  color: var(--gray-600);
  font-size: 1.1rem;
}

/* ============================================
   Capabilities Section
   ============================================ */
.capabilities {
  background: var(--gray-100);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.capability-card {
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.capability-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.capability-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.capability-card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  position: relative;
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-light) 100%
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.card-icon i {
  font-size: 1.8rem;
  color: var(--accent);
}

.icon-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  background: var(--accent);
  opacity: 0;
  animation: icon-pulse 2s ease-out infinite;
}

@keyframes icon-pulse {
  0% {
    transform: scale(1);
    opacity: 0.3;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.capability-card h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.4rem;
}

.capability-card p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
}

.capability-features {
  margin-bottom: var(--spacing-lg);
}

.capability-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  color: var(--gray-700);
  font-size: 0.9rem;
}

.capability-features li i {
  color: var(--accent-secondary);
  font-size: 0.8rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--accent);
  font-weight: 600;
  font-family: var(--font-subhead);
}

.card-link:hover {
  gap: var(--spacing-md);
}

/* ============================================
   AUKUS Section
   ============================================ */
.aukus-section {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}

.aukus-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300d4ff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.aukus-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.aukus-text .section-tag {
  color: var(--accent);
}

.aukus-text h2 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.aukus-text .lead {
  color: var(--gray-300);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.aukus-text p {
  color: var(--gray-400);
  margin-bottom: var(--spacing-xl);
}

.aukus-highlights {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.highlight-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.highlight-icon i {
  color: var(--accent);
  font-size: 1.2rem;
}

.highlight-content {
  display: flex;
  flex-direction: column;
}

.highlight-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--white);
}

.highlight-label {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.aukus-visual {
  position: relative;
}

.visual-container {
  position: relative;
  padding: var(--spacing-2xl);
}

.aukus-logo {
  display: block;
  width: 260px;
  max-width: 80%;
  height: auto;
  margin: 0 auto var(--spacing-2xl);
}

.flag-display {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.flag {
  text-align: center;
}

.flag img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-full);
  border: 3px solid var(--accent);
  margin-bottom: var(--spacing-sm);
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.flag span {
  color: var(--gray-400);
  font-size: 0.9rem;
}

.connection-lines {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 200px;
  z-index: -1;
}

.line-path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 5 5;
  opacity: 0.3;
  animation: dash 20s linear infinite;
}

@keyframes dash {
  to {
    stroke-dashoffset: -100;
  }
}

/* ============================================
   Solutions Section
   ============================================ */
.solutions-tabs {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.tab-nav {
  display: flex;
  background: var(--primary-dark);
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-xl);
  color: var(--gray-400);
  font-family: var(--font-subhead);
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--transition-base);
  border-bottom: 3px solid transparent;
  min-width: 150px;
}

.tab-btn i {
  font-size: 1.5rem;
}

.tab-btn:hover {
  color: var(--white);
  background: rgba(0, 212, 255, 0.1);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(0, 212, 255, 0.05);
}

.tab-content {
  padding: var(--spacing-2xl);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pane-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.pane-image {
  position: relative;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-light) 100%
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.image-placeholder::before {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(0, 212, 255, 0.1) 50%,
    transparent 70%
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%);
  }
  100% {
    transform: translateX(100%) translateY(100%);
  }
}

.image-placeholder i {
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.5;
}

/* ===== Operational-domain tile imagery ===== */
.image-placeholder.land-bg,
.image-placeholder.maritime-bg,
.image-placeholder.aerospace-bg,
.image-placeholder.cyber-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.image-placeholder.land-bg {
  background-image:
    linear-gradient(160deg, rgba(5, 18, 26, 0.25), rgba(5, 18, 26, 0.05)),
    url("../images/domains/land.jpg");
}
.image-placeholder.maritime-bg {
  background-image:
    linear-gradient(160deg, rgba(5, 18, 26, 0.25), rgba(5, 18, 26, 0.05)),
    url("../images/domains/maritime.jpg");
}
.image-placeholder.aerospace-bg {
  background-image:
    linear-gradient(160deg, rgba(5, 18, 26, 0.25), rgba(5, 18, 26, 0.05)),
    url("../images/domains/aerospace.jpg");
}
.image-placeholder.cyber-bg {
  background-image:
    linear-gradient(160deg, rgba(5, 18, 26, 0.25), rgba(5, 18, 26, 0.05)),
    url("../images/domains/cyber.jpg");
}
/* real domain photo shown → hide the placeholder icon + shimmer sweep */
.image-placeholder.land-bg i,
.image-placeholder.maritime-bg i,
.image-placeholder.aerospace-bg i,
.image-placeholder.cyber-bg i,
.image-placeholder.land-bg::before,
.image-placeholder.maritime-bg::before,
.image-placeholder.aerospace-bg::before,
.image-placeholder.cyber-bg::before {
  display: none;
}

.pane-text h3 {
  margin-bottom: var(--spacing-md);
}

.pane-text > p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
}

.solution-features {
  margin-bottom: var(--spacing-xl);
}

.solution-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  color: var(--gray-700);
}

.solution-features li i {
  color: var(--accent);
  margin-top: 4px;
}

/* ============================================
   Why ADT Section
   ============================================ */
.why-adt {
  background: linear-gradient(
    135deg,
    var(--primary-dark) 0%,
    var(--primary) 100%
  );
}

.why-adt .section-tag {
  color: var(--accent);
}

.why-adt .section-title {
  color: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: all var(--transition-base);
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  transform: translateY(-5px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    var(--accent-secondary) 100%
  );
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon i {
  font-size: 2rem;
  color: var(--primary-dark);
}

.feature-item h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.feature-item p {
  color: var(--gray-400);
  font-size: 0.95rem;
}

/* ============================================
   News Section
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.news-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.news-image {
  position: relative;
  aspect-ratio: 16/10;
}

.news-card.featured .news-image {
  aspect-ratio: auto;
  height: 100%;
}

.news-image .image-placeholder {
  height: 100%;
  aspect-ratio: auto;
}

.news-bg {
  background: linear-gradient(135deg, #1a4a2e 0%, #2d6f4a 100%);
}

.news-bg-2 {
  background: linear-gradient(135deg, #4a1a1a 0%, #6f2d2d 100%);
}

.news-bg-3 {
  background: linear-gradient(135deg, #1a2d4a 0%, #2d4a6f 100%);
}

.news-category {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  background: var(--accent);
  color: var(--primary-dark);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.news-content {
  padding: var(--spacing-lg);
}

.news-meta {
  margin-bottom: var(--spacing-md);
}

.news-date {
  color: var(--gray-500);
  font-size: 0.85rem;
}

.news-date i {
  margin-right: var(--spacing-xs);
}

.news-content h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.news-content p {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.read-more:hover {
  gap: var(--spacing-md);
}

.news-cta {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

/* ============================================
   Partners Section
   ============================================ */
.partners {
  background: var(--gray-100);
}

.partners-carousel {
  overflow: hidden;
  position: relative;
}

.partners-track {
  display: flex;
  gap: var(--spacing-2xl);
  animation: scroll-partners 30s linear infinite;
  width: max-content;
}

/* Pause the loop when a visitor hovers so they can read a logo. */
.partners-carousel:hover .partners-track {
  animation-play-state: paused;
}

@keyframes scroll-partners {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.partner-logo {
  flex-shrink: 0;
  min-width: 200px;
  height: 80px;
  background: var(--white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.partner-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0.85;
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

.partner-logo:hover img {
  opacity: 1;
  transform: scale(1.04);
}

.logo-placeholder {
  color: var(--gray-500);
  font-family: var(--font-subhead);
  font-weight: 600;
  text-align: center;
  font-size: 0.85rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--accent) 0%, #00a3cc 100%);
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-buttons .btn-primary {
  background: var(--primary-dark);
  color: var(--white);
}

.cta-buttons .btn-primary:hover {
  background: var(--white);
  color: var(--primary-dark);
}

.cta-buttons .btn-secondary {
  border-color: var(--primary-dark);
  color: var(--primary-dark);
}

.cta-buttons .btn-secondary:hover {
  background: var(--primary-dark);
  color: var(--white);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--primary-dark);
  padding: var(--spacing-4xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: var(--spacing-lg);
}

.footer-brand p {
  color: var(--gray-500);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--primary-dark);
}

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
}

.footer-links ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-500);
  font-size: 0.95rem;
  transition: color var(--transition-base);
}

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

.footer-contact address {
  font-style: normal;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--gray-500);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.footer-contact i {
  color: var(--accent);
  width: 20px;
}

.footer-contact a {
  color: var(--gray-500);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-legal p {
  color: var(--gray-600);
  font-size: 0.85rem;
}

.footer-nav {
  display: flex;
  gap: var(--spacing-xl);
}

.footer-nav a {
  color: var(--gray-500);
  font-size: 0.85rem;
}

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

/* Root-CA thumbprint, published site-wide for out-of-band verification */
.footer-verify {
  flex-basis: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs) var(--spacing-sm);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--gray-600);
  font-size: 0.8rem;
}

.footer-verify i {
  color: var(--accent);
}

.footer-verify code {
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  color: var(--gray-400);
  letter-spacing: 0.02em;
  word-break: break-word;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--white);
  transform: translateY(-5px);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1200px) {
  .aukus-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .aukus-visual {
    order: -1;
  }

  .news-card.featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Shrink the full lockup once the header collapses to the hamburger so it
     no longer overhangs the hero content on phones. */
  .logo-img {
    height: 64px;
  }

  /* Push the hero content clear of the fixed header so the AUKUS badge is not
     hidden behind the logo on small screens. */
  .hero {
    padding-top: 110px;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--primary-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--spacing-xl) var(--spacing-xl);
    transition: right var(--transition-base);
    gap: 0;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    box-shadow: none;
    border: none;
    padding-left: var(--spacing-lg);
    display: none;
  }

  .nav-item:hover .dropdown-menu {
    display: block;
  }

  .btn-nav {
    margin-top: var(--spacing-md);
  }

  .pane-content {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-stats {
    gap: var(--spacing-xl);
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .tab-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab-btn {
    min-width: 120px;
    padding: var(--spacing-md);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-contact p {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .hero-content {
    padding: var(--spacing-lg);
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .aukus-highlights {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons {
    flex-direction: column;
  }
}

/* ============================================
   Animation Classes
   ============================================ */
[data-aos="fade-up"] {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-right"] {
  opacity: 0;
  transform: translateX(-30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

[data-aos="fade-right"].aos-animate {
  opacity: 1;
  transform: translateX(0);
}

[data-aos="fade-left"] {
  opacity: 0;
  transform: translateX(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

[data-aos="fade-left"].aos-animate {
  opacity: 1;
  transform: translateX(0);
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-accent {
  color: var(--accent);
}
.mt-1 {
  margin-top: var(--spacing-md);
}
.mt-2 {
  margin-top: var(--spacing-xl);
}
.mb-1 {
  margin-bottom: var(--spacing-md);
}
.mb-2 {
  margin-bottom: var(--spacing-xl);
}

/* ===== Brand logo mark (stealth-plane icon beside wordmark) ===== */
.logo,
.footer-logo {
  display: grid;
  grid-template-columns: auto auto;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 10px;
}
.logo .logo-mark,
.footer-logo .logo-mark {
  grid-row: 1 / 3;
  height: 42px;
  width: auto;
  display: block;
}
.footer-logo .logo-mark {
  height: 38px;
}
.logo .logo-text,
.logo .logo-tagline,
.footer-logo .logo-text,
.footer-logo .logo-tagline {
  grid-column: 2;
}
/* Footer uses the same full lockup as the header, at a compact size */
.footer-logo .logo-img {
  height: 48px;
  width: auto;
  display: block;
}

/* ===== Real product imagery (replaces icon placeholders) ===== */
.product-img {
  display: block;
  width: 100%;
}
.product-card-media .product-img {
  height: 220px;
  object-fit: cover;
  background: linear-gradient(135deg, #0a1628 0%, #1a2d4a 100%);
}
.product-card-media .product-img--contain {
  object-fit: contain;
  padding: var(--spacing-md);
}
.product-hero-visual .product-img {
  height: auto;
  max-height: 440px;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.45));
}
.featured-image .product-img {
  height: 100%;
  min-height: 400px;
  object-fit: cover;
}
.news-image .product-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-image .product-img {
  height: 200px;
  object-fit: cover;
}
/* Landscape product shot in a tall featured slot: show the whole device on
   white (blends with the photo's own white background) instead of cropping. */
.featured-image .product-img--contain {
  object-fit: contain;
  background: #fff;
}