/* Design System & Styling for AirMob Landing Page - Light Premium Theme */

:root {
  /* Color Palette (Light Corporate & Aerospace) */
  --bg-dark: #ffffff;
  --bg-section-alt: #f6f8fb;
  --bg-card: #ffffff;
  --bg-panel: rgba(30, 90, 160, 0.04);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(30, 90, 160, 0.35);
  
  --text-main: #2d3138;
  --text-muted: #626e7a;
  --text-dark: #0d2c54; /* Deep Navy for headings */
  
  --primary: #1e5aa0;
  --primary-light: #2c72c2;
  --primary-glow: rgba(30, 90, 160, 0.15);
  --accent: #1e5aa0;
  --accent-glow: rgba(30, 90, 160, 0.15);
  
  /* Pillar Specific Colors */
  --color-pilar1: #1e5aa0;
  --color-pilar2: #1e5aa0;
  --color-pilar3: #1e5aa0;
  --color-pilar4: #1e5aa0;
  
  /* Layout & Shadows */
  --glass-blur: blur(20px);
  --card-shadow: 0 15px 35px rgba(30, 90, 160, 0.08);
  --glow-shadow: 0 0 25px rgba(30, 90, 160, 0.15);
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

html, body {
  width: 100%;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Background Canvas & Grid Effects */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(30, 90, 160, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 160, 0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: center;
  z-index: -1;
  pointer-events: none;
}

.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(30, 90, 160, 0.06) 0%, transparent 70%);
  top: -10%;
  right: -10%;
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
  animation: float-glow 20s infinite alternate;
}

@keyframes float-glow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-50px, 50px) scale(1.1); }
}

/* Typography & Links */
h1, h2, h3, h4, h5, h6 {
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-dark);
}

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

.area-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 3rem;
  align-items: center;
}

.area-hero-copy {
  min-width: 0;
}

.area-hero-visual {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(30, 90, 160, 0.12);
  box-shadow: 0 18px 45px rgba(13, 44, 84, 0.08);
  background: #ffffff;
}

.area-hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Glassmorphism Classes (Light Theme adaptation) */
.glass {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: var(--transition);
}

header.scrolled {
  padding: 0.5rem 0;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header.scrolled .nav-container {
  padding: 0.8rem 2rem;
}

.logo {
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  color: var(--text-dark) !important;
}

.logo span {
  color: var(--primary);
  font-weight: 600;
}

.logo-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 0.8rem;
  padding-left: 0.8rem;
  border-left: 1px solid var(--border-color);
  font-weight: 400;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a.nav-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

nav a.nav-link:hover, nav a.nav-link.active {
  color: var(--primary);
}

nav a.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

nav a.nav-link:hover::after, nav a.nav-link.active::after {
  width: 100%;
}

.btn-contact-nav {
  background: rgba(30, 90, 160, 0.06);
  color: var(--primary);
  border: 1px solid rgba(30, 90, 160, 0.2);
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-contact-nav:hover {
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--glow-shadow);
  transform: translateY(-2px);
}

/* Mobile Menu Button */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 8rem 2rem 4rem;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(30, 90, 160, 0.06);
  border: 1px solid rgba(30, 90, 160, 0.15);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-badge span {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  display: inline-block;
}

.hero h1 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero h1 span {
  color: var(--primary);
  font-weight: 700;
}

.hero-tagline {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  font-weight: 500;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(30, 90, 160, 0.2);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(30, 90, 160, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  padding: 0.9rem 2rem;
  border-radius: 4px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(0, 0, 0, 0.02);
  border-color: var(--text-muted);
  transform: translateY(-3px);
}

.hero-graphic {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: -1rem;
  animation: fadeIn 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-showcase {
  width: 100%;
  max-width: 470px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(30, 90, 160, 0.08);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.hero-showcase:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 25px 55px rgba(30, 90, 160, 0.15);
}

.showcase-slider {
  position: relative;
  width: 100%;
  height: 230px;
  overflow: hidden;
  cursor: pointer;
  background: linear-gradient(180deg, #f8fafc 0%, #eef4fa 100%);
}

.showcase-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
}

.showcase-slide.active {
  opacity: 1;
}

.showcase-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
}

.showcase-info {
  min-height: 58px;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.showcase-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.35;
  white-space: normal;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.showcase-link-label {
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  margin-left: auto;
}

.showcase-controls {
  display: flex;
  gap: 0.4rem;
}

.showcase-btn {
  background: rgba(30, 90, 160, 0.05);
  border: 1px solid var(--border-color);
  color: var(--primary);
  width: 32px;
  height: 32px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
  user-select: none;
  flex: 0 0 auto;
}

.showcase-btn:hover {
  background: var(--primary);
  color: #ffffff;
}

/* Glowing central hub graphic */
.hero-hub {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px dashed rgba(30, 90, 160, 0.25);
  position: relative;
  animation: rotate-dashed 40s linear infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-hub::before {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(30, 90, 160, 0.12);
  animation: rotate-dashed 20s linear infinite reverse;
}

.hero-hub-inner {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(230,240,255,1) 100%);
  border-radius: 50%;
  box-shadow: 0 8px 30px rgba(30, 90, 160, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary);
  position: relative;
  z-index: 2;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

.hero-node {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(30, 90, 160, 0.5);
}

.hero-node-1 { top: 10%; left: 20%; animation: pulse-node 3s infinite alternate; }
.hero-node-2 { bottom: 20%; right: 10%; animation: pulse-node 4s infinite alternate 1s; }
.hero-node-3 { top: 50%; right: 85%; animation: pulse-node 5s infinite alternate 2s; }

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

@keyframes pulse-node {
  0% { transform: scale(0.8); opacity: 0.6; box-shadow: 0 0 5px var(--primary); }
  100% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 15px var(--primary); }
}

/* Sections Structure */
section {
  padding: 6rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Alternate backgrounds for section blocks to make readability premium */
#about, #diff, #gallery {
  background-color: var(--bg-dark);
}

#services, #tech, #contact {
  background-color: var(--bg-section-alt);
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
}

#services > div, #tech > div, #contact > div {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  margin-bottom: 4rem;
  max-width: 800px;
}

.section-label {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  display: block;
}

.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 300;
  margin-bottom: 1.2rem;
  color: var(--text-dark);
}

.section-title span {
  color: var(--primary);
  font-weight: 600;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 300;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-muted);
}

.about-text p {
  margin-bottom: 1.5rem;
}

.about-highlight {
  font-size: 1.25rem;
  color: var(--text-dark);
  border-left: 3px solid var(--primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-weight: 400;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.stat-card {
  padding: 2.5rem 2rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.stat-number {
  font-size: 4rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 4px 10px rgba(30, 90, 160, 0.1);
}

.stat-label {
  color: var(--text-dark);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.stat-sub {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Service Pillars Section */
#services .pillars-nav {
  display: flex;
  gap: 1.5rem;
  margin: 0 auto 3rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  flex-wrap: wrap;
}

.pillar-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-family);
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.8rem 1.5rem;
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
  text-align: left;
  flex: 1;
  min-width: 250px;
}

.pillar-tab:hover {
  color: var(--text-dark);
  background: rgba(0, 0, 0, 0.01);
}

.pillar-tab.active {
  color: var(--text-dark);
}

.pillar-tab.active::after {
  content: '';
  position: absolute;
  bottom: -17px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--p-color, var(--primary));
  box-shadow: 0 2px 8px var(--p-color, var(--primary));
}

.pillar-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--p-color, var(--primary));
  margin-bottom: 0.3rem;
  display: block;
}

.pillar-panes {
  position: relative;
  min-height: 400px;
}

.pillar-pane {
  display: none;
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.pillar-pane.active {
  display: block;
}

.pane-intro {
  display: block;
  margin-bottom: 2.5rem;
}

.pane-desc {
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 900px;
}

.pillar-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.capability-card {
  padding: 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 4px 20px rgba(30, 90, 160, 0.03);
}

.capability-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover, var(--border-hover));
  box-shadow: var(--card-shadow);
}

.capability-category {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--p-color, var(--primary));
  margin-bottom: 0.6rem;
}

.capability-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text-dark);
  line-height: 1.3;
}

.capability-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 1.2rem;
  flex-grow: 1;
  line-height: 1.5;
}

.capability-more {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

.capability-more svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  transition: var(--transition);
}

.capability-card:hover .capability-more svg {
  transform: translateX(4px);
}

/* Service Detail Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 27, 47, 0.4);
  backdrop-filter: blur(8px);
}

.modal-container {
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 12px;
  position: relative;
  z-index: 2;
  box-shadow: 0 25px 60px rgba(13, 27, 47, 0.15);
  animation: modal-enter 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  scrollbar-width: thin;
  scrollbar-color: var(--primary) #f1f5f9;
  background: #ffffff !important;
  border: 1px solid var(--border-color);
}

@keyframes modal-enter {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  font-size: 1.4rem;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--primary);
}

.modal-content {
  padding: 3rem;
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.modal-category {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: block;
}

.modal-title {
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--text-dark);
}

.modal-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.modal-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .modal-sections {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.modal-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-dark);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-list {
  list-style: none;
}

.modal-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.8rem;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 300;
}

.modal-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--primary);
}

.modal-value-box {
  background: rgba(30, 90, 160, 0.05);
  border-left: 3px solid var(--primary);
  padding: 1.5rem;
  border-radius: 0 6px 6px 0;
}

.modal-value-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.modal-value-text {
  font-size: 1rem;
  color: var(--text-dark);
  font-weight: 400;
}

/* Differentials Section */
.diff-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
}

.diff-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.diff-item {
  display: flex;
  gap: 1.5rem;
}

.diff-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-family);
  opacity: 0.8;
}

.diff-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.diff-info p {
  color: var(--text-muted);
  font-weight: 300;
  font-size: 0.95rem;
}

.clients-box {
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.02);
}

.clients-box h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.clients-list {
  list-style: none;
}

.clients-list li {
  position: relative;
  padding-left: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  font-weight: 300;
}

.clients-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

/* Technologies Section */
.tech-intro {
  margin-bottom: 3rem;
  max-width: 700px;
  color: var(--text-muted);
  font-weight: 300;
  font-size: 1.1rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.tech-card {
  padding: 2.2rem 2rem;
  border-radius: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(30, 90, 160, 0.02);
}

.tech-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--card-shadow);
}

.tech-cat {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
  display: block;
}

.tech-card h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--text-dark);
}

.tech-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tech-tag {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--text-main);
  font-weight: 500;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

/* Portfolio Gallery (Projetos em Imagens) */
.gallery-intro {
  margin-bottom: 3rem;
  color: var(--text-muted);
  font-weight: 300;
  font-size: 1.1rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  height: 220px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(13, 27, 47, 0.92) 0%, rgba(13, 27, 47, 0.2) 70%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: scale(1.02);
  border-color: var(--border-hover);
  box-shadow: var(--card-shadow);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.3;
}

.gallery-zoom {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-color);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  transition: var(--transition);
}

.gallery-item:hover .gallery-zoom {
  background: var(--primary);
  color: #ffffff;
}

/* Lightbox styles */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 80vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeIn 0.4s ease;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 20px 50px rgba(13, 27, 47, 0.15);
  border: 1px solid var(--border-color);
}

.lightbox-caption {
  color: var(--text-dark);
  margin-top: 1.5rem;
  font-size: 1.1rem;
  font-weight: 500;
  text-align: center;
  max-width: 600px;
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 2.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close:hover {
  color: var(--primary);
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
}

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

.contact-highlight {
  font-size: 1.25rem;
  color: var(--text-dark);
  font-weight: 400;
  margin-bottom: 2.5rem;
  line-height: 1.5;
  text-align: left;
}

.contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-method {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(30, 90, 160, 0.05);
  border: 1px solid rgba(30, 90, 160, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact-val {
  font-size: 1.1rem;
  color: var(--text-main);
  font-weight: 500;
}

.contact-val a:hover {
  color: var(--primary);
}

.contact-card {
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(30, 90, 160, 0.04);
  border: 1px solid var(--border-color);
  background: #ffffff !important;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 45px rgba(30, 90, 160, 0.08);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 8px rgba(30, 90, 160, 0.1);
  background: #ffffff;
}

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

.btn-submit {
  width: 100%;
  background: var(--primary);
  color: #ffffff;
  border: none;
  padding: 1rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}

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

.form-status {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  text-align: center;
  display: none;
  animation: fadeIn 0.4s ease;
}

.form-status.success {
  display: block;
  background: rgba(46, 204, 113, 0.1);
  border: 1px solid rgba(46, 204, 113, 0.2);
  color: #27ae60;
}

.form-status.error {
  display: block;
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.2);
  color: #c0392b;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  background: #0d2c54; /* Dark Navy Corporate Footer */
  padding: 4rem 2rem 2rem;
  color: #ffffff;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  font-weight: 300;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-top h3 {
  color: #ffffff;
}

.footer-top h3 span {
  color: #6fc3ff; /* Custom cyan for contrast on dark footer */
}

.footer-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  font-weight: 300;
}

.footer-links a:hover {
  color: #6fc3ff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  font-weight: 300;
}

/* Global Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
    max-width: 100%;
    min-width: 0;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 100%;
    min-width: 0;
  }

  .hero-graphic {
    margin-top: 0;
  }

  .hero-showcase {
    max-width: 680px;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .diff-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .area-hero-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .area-hero-visual {
    max-width: 640px;
  }
  

}

@media (max-width: 768px) {
  .hero {
    width: 100%;
    max-width: 100%;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    overflow: hidden;
  }

  .hero h1,
  .hero-tagline {
    max-width: 100%;
    overflow-wrap: break-word;
  }

  .mobile-toggle {
    display: block;
  }
  
  nav ul {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 75px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2.5rem;
    transition: var(--transition);
    align-items: flex-start;
    border-top: 1px solid var(--border-color);
  }
  
  nav ul.active {
    left: 0;
  }
  
  .btn-contact-nav {
    width: 100%;
    text-align: center;
  }
  

  
  .modal-content {
    padding: 2rem 1.5rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .showcase-link-label {
    display: none;
  }
  
  section {
    padding: 4rem 1.5rem;
  }
}

/* SPA Instant Section Switching (Apenas para páginas SPA com classe .spa-page no body) */
body.spa-page section {
  display: none !important;
}

body.spa-page section.active-section {
  display: block !important;
  animation: fadeInSection 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

body.spa-page #hero.active-section {
  display: flex !important;
}

@keyframes fadeInSection {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Business Unit Styles */
.units-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.unit-select-card {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border-color);
  padding: 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
}

.unit-select-card:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--primary);
  box-shadow: var(--card-shadow);
  transform: translateY(-2px);
}

.unit-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.unit-code {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
}

.unit-card-header svg {
  color: var(--primary);
  transition: var(--transition);
}

.unit-select-card:hover .unit-card-header svg {
  transform: translateX(4px);
}

.unit-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Business Unit Sections */
.business-unit-section {
  padding: 6rem 0;
  max-width: 100%;
}

#unit-ai, #unit-aer, #unit-atm, #unit-aam {
  background-color: var(--bg-section-alt);
}

.unit-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.unit-actions {
  margin-top: 3.5rem;
  display: flex;
  justify-content: flex-start;
}

/* Responsiveness for Business Units */
@media (max-width: 768px) {
  .units-selector {
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .unit-select-card {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .unit-select-card h4,
  .unit-card-desc {
    overflow-wrap: break-word;
  }
}

/* Courses Styling */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.course-card {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.course-card:hover {
  background: rgba(255, 255, 255, 0.98);
  border-color: var(--primary);
  box-shadow: var(--card-shadow);
  transform: translateY(-3px);
}

.course-meta {
  display: flex;
  gap: 0.8rem;
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.course-meta span {
  background: rgba(30, 90, 160, 0.06);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
}

.course-card h3 {
  font-size: 1.25rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.course-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.course-action {
  display: flex;
  justify-content: flex-start;
}

/* Dropdown Navigation Menu (Nubank inspired) */
.nav-item-dropdown {
  position: relative;
}

/* On desktop, show dropdown on hover */
@media (min-width: 769px) {
  .nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .nav-item-dropdown:hover .dropdown-chevron {
    transform: rotate(180deg);
  }
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 520px;
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(30, 90, 160, 0.15);
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(30, 90, 160, 0.08);
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
  margin-top: 0.5rem;
}

.dropdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.dropdown-item {
  display: flex !important; /* Override standard nav a display if any */
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  transition: var(--transition);
  align-items: flex-start;
  text-align: left;
  color: var(--text-muted) !important;
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: 500;
}

.dropdown-item:hover, .dropdown-item.active {
  background: rgba(30, 90, 160, 0.05);
  transform: translateY(-2px);
  color: var(--primary) !important;
}

.dropdown-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 90, 160, 0.05);
  border: 1px solid rgba(30, 90, 160, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dropdown-item-content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.dropdown-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
  font-weight: 400;
}

/* Mobile dropdown styles */
@media (max-width: 768px) {
  .dropdown-menu {
    position: static;
    transform: none;
    width: 100%;
    opacity: 1;
    visibility: visible;
    background: transparent !important;
    border: none;
    box-shadow: none;
    padding: 0.5rem 0.5rem 0.5rem 1.5rem;
    display: none; /* Toggled by class active */
    margin-top: 0;
  }
  
  .dropdown-menu.active {
    display: block;
  }
  
  .dropdown-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .dropdown-item {
    padding: 0.6rem 0.8rem;
    width: 100%;
  }
  
  .dropdown-item-icon {
    width: 30px;
    height: 30px;
  }
  
  .dropdown-item-title {
    font-size: 0.85rem;
  }
}

.dropdown-list-simple {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* Clean Contact Section Layout (No boxes) */
.contact-details-clean {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
  padding-left: 3rem;
  border-left: 1px solid rgba(30, 90, 160, 0.12);
}

.contact-icon-clean {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.contact-label-clean {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact-val-clean {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-dark);
}

@media (max-width: 768px) {
  .contact-details-clean {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid rgba(30, 90, 160, 0.12);
    padding-top: 2rem;
    gap: 1.8rem;
  }
}

/* Consultant Card Hover Style */
.consultant-card {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s var(--transition), box-shadow 0.3s var(--transition) !important;
}

.consultant-card:hover {
  transform: translateY(-5px);
  border-color: rgba(30, 90, 160, 0.35) !important;
  box-shadow: 0 15px 45px rgba(30, 90, 160, 0.12);
}

/* Responsive Grid for Inner Capability Pages */
.capability-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 992px) {
  .capability-page-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Elegant Seamless Project List (Level 1 Pages) */
.projects-list-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
}

.project-list-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.6rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease, transform 0.2s ease;
  border-radius: 8px;
}

.project-list-item:last-child {
  border-bottom: none;
}

.project-list-item:hover {
  background-color: rgba(30, 90, 160, 0.04);
  transform: translateX(6px);
}

.project-item-bullet {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(30, 90, 160, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.project-list-item:hover .project-item-bullet {
  background: var(--primary);
  color: #ffffff;
}

.project-item-content {
  flex: 1;
}

.project-item-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.project-item-code {
  display: none !important;
}

.project-item-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0;
  transition: color 0.2s ease;
}

.project-list-item:hover .project-item-title {
  color: var(--primary);
}

.project-item-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

.project-item-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
}

.project-list-item:hover .project-item-arrow {
  transform: translateX(4px);
  color: var(--primary);
}

.cta-banner {
  display: none !important;
}