/* ============================================
   LB Aircraft Engineering - Modern Website 2026
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --navy: #0a1628;
  --navy-light: #132240;
  --navy-mid: #1a2d50;
  --blue-accent: #1e90ff;
  --blue-glow: #3da5ff;
  --gold: #d4a84b;
  --gold-light: #e8c36a;
  --white: #ffffff;
  --gray-100: #f4f6f9;
  --gray-200: #e2e6ec;
  --gray-300: #c5cbd6;
  --gray-600: #6b7a8d;
  --gray-800: #2a3444;
  --success: #22c55e;
  --font-heading: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.18);
  --shadow-glow: 0 0 30px rgba(30, 144, 255, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Utility --- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--blue-accent);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 20px;
}

.section-title span {
  color: var(--blue-accent);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 640px;
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-accent), #1565c0);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(30, 144, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(30, 144, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(212, 168, 75, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(212, 168, 75, 0.5);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 48px;
  transition: height var(--transition);
}

.navbar.scrolled .nav-logo img {
  height: 38px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  position: relative;
  padding: 4px 0;
}

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

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

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

.nav-cta {
  padding: 10px 24px !important;
  background: var(--blue-accent) !important;
  color: var(--white) !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
}

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

.nav-cta:hover {
  background: var(--blue-glow) !important;
  transform: translateY(-1px);
}

/* AS9100 Badge in Nav */
.nav-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212, 168, 75, 0.15);
  border: 1px solid var(--gold);
  color: var(--gold-light);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-badge svg {
  width: 14px;
  height: 14px;
  fill: var(--gold);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-hamburger span {
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
  border-radius: 2px;
}

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

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

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

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 70% 40%, rgba(30, 144, 255, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(212, 168, 75, 0.05) 0%, transparent 60%);
}

.hero-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(30, 144, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 144, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridFloat 20s linear infinite;
}

@keyframes gridFloat {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(30, 144, 255, 0.1);
  border: 1px solid rgba(30, 144, 255, 0.2);
  padding: 8px 20px;
  border-radius: 50px;
  color: var(--blue-glow);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-label .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--blue-accent), var(--blue-glow), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stat .number span {
  color: var(--blue-accent);
}

.hero-stat .label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 6px;
}

/* Hero Image Side */
.hero-visual {
  position: relative;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.3), transparent);
}

/* Floating AS9100 Badge on Hero */
.as9100-hero-badge {
  position: absolute;
  bottom: -20px;
  right: 30px;
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: floatBadge 3s ease-in-out infinite;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

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

.as9100-hero-badge .badge-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.as9100-hero-badge .badge-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--navy);
}

.as9100-hero-badge .badge-text .badge-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gold-light);
  letter-spacing: 1px;
}

.as9100-hero-badge .badge-text .badge-sub {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.5px;
}

/* --- AS9100 Banner Section --- */
.as9100-banner {
  background: linear-gradient(135deg, var(--gold), #c49530);
  padding: 18px 0;
  position: relative;
  overflow: hidden;
}

.as9100-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 20px,
    rgba(255, 255, 255, 0.03) 20px,
    rgba(255, 255, 255, 0.03) 40px
  );
}

.as9100-banner .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.as9100-banner-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 700;
  font-size: 0.9rem;
}

.as9100-banner-item svg {
  width: 20px;
  height: 20px;
  fill: var(--navy);
}

.as9100-banner-divider {
  width: 1px;
  height: 24px;
  background: rgba(10, 22, 40, 0.2);
}

/* --- Services Section --- */
.services {
  padding: 120px 0;
  background: var(--gray-100);
  position: relative;
}

.services-header {
  text-align: center;
  margin-bottom: 70px;
}

.services-header .section-subtitle {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
  cursor: default;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-accent);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-accent), var(--gold));
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(30, 144, 255, 0.1), rgba(30, 144, 255, 0.05));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--blue-accent), #1565c0);
}

.service-icon svg {
  width: 26px;
  height: 26px;
  fill: var(--blue-accent);
  transition: fill var(--transition);
}

.service-card:hover .service-icon svg {
  fill: var(--white);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- About / Credentials Section --- */
.about {
  padding: 120px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content .section-subtitle {
  margin-bottom: 32px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.about-feature:hover {
  background: rgba(30, 144, 255, 0.06);
}

.about-feature .check {
  width: 22px;
  height: 22px;
  min-width: 22px;
  background: linear-gradient(135deg, var(--blue-accent), #1565c0);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.about-feature .check svg {
  width: 12px;
  height: 12px;
  fill: var(--white);
}

.about-feature p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.4;
}

/* About Image Side */
.about-visual {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-main img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.about-image-small {
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--white);
}

.about-image-small img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

/* Experience Counter */
.experience-counter {
  position: absolute;
  top: 30px;
  right: -20px;
  background: var(--navy);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(30, 144, 255, 0.2);
}

.experience-counter .count {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--blue-accent);
  line-height: 1;
}

.experience-counter .count-label {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 6px;
}

/* --- AS9100 Certification Section --- */
.certification {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  position: relative;
  overflow: hidden;
}

.certification::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 168, 75, 0.08), transparent 60%);
  border-radius: 50%;
}

.cert-grid {
  position: relative;
  z-index: 1;
}

.cert-content .section-label {
  color: var(--gold-light);
}

.cert-content .section-label::before {
  background: var(--gold);
}

.cert-content .section-title {
  color: var(--white);
}

.cert-content .section-title span {
  color: var(--gold-light);
}

.cert-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 48px;
}

.cert-content .section-subtitle {
  margin: 0 auto;
}

.cert-description {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.cert-points {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: center;
  margin-bottom: 32px;
}

.cert-point {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.cert-point .point-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: rgba(212, 168, 75, 0.15);
  border: 1px solid rgba(212, 168, 75, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-point .point-icon svg {
  width: 13px;
  height: 13px;
  fill: var(--gold-light);
}

/* Cert Cards Row */
.cert-visual {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cert-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}

.cert-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold);
  transform: translateY(-4px);
}

.cert-card:first-child {
  background: rgba(212, 168, 75, 0.08);
  border-color: rgba(212, 168, 75, 0.2);
}

.cert-card .cert-card-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-card .cert-card-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--navy);
}

.cert-card-text {
  /* no special styling needed */
}

.cert-card h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.cert-card p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* --- Projects / Global Reach --- */
.projects {
  padding: 120px 0;
  background: var(--gray-100);
}

.projects-header {
  text-align: center;
  margin-bottom: 60px;
}

.projects-header .section-subtitle {
  margin: 0 auto;
}

.projects-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: default;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
  background: linear-gradient(transparent, rgba(10, 22, 40, 0.9));
}

.project-card-overlay h3 {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.project-card-overlay p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
}

.projects-map {
  text-align: center;
}

.projects-map img {
  margin: 0 auto;
  max-width: 800px;
  opacity: 0.9;
}

.projects-map-caption {
  margin-top: 20px;
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* --- Team Section --- */
.team {
  padding: 120px 0;
  background: var(--white);
}

.team-header {
  text-align: center;
  margin-bottom: 60px;
}

.team-header .section-subtitle {
  margin: 0 auto;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.team-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.team-card:hover {
  background: var(--gray-100);
  border-color: var(--gray-200);
}

.team-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--blue-accent), var(--navy));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
}

.team-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.team-card .team-role {
  font-size: 0.8rem;
  color: var(--blue-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.team-card .team-email {
  display: block;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--gray-600);
  transition: color var(--transition);
}

.team-card .team-email:hover {
  color: var(--blue-accent);
}

/* --- STC Download Section --- */
.stc-download {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--blue-accent), #1565c0);
  position: relative;
  overflow: hidden;
}

.stc-download::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 60%);
  border-radius: 50%;
}

.stc-download .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.stc-content h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.stc-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
}

.btn-white {
  background: var(--white);
  color: var(--blue-accent);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25);
}

/* --- Contact Section --- */
.contact {
  padding: 120px 0;
  background: var(--gray-100);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  padding-right: 40px;
}

.contact-info .section-subtitle {
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, rgba(30, 144, 255, 0.1), rgba(30, 144, 255, 0.05));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--blue-accent);
}

.contact-item h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.contact-item p, .contact-item a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
}

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

.contact-social {
  display: flex;
  gap: 12px;
}

.contact-social a {
  width: 44px;
  height: 44px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.contact-social a:hover {
  background: var(--blue-accent);
  transform: translateY(-2px);
}

.contact-social a svg {
  width: 18px;
  height: 18px;
  fill: var(--white);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.contact-form-wrapper h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 28px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-800);
  transition: all var(--transition);
  background: var(--gray-100);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-accent);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(30, 144, 255, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Footer --- */
.footer {
  background: var(--navy);
  padding: 80px 0 30px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand img {
  height: 50px;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 168, 75, 0.1);
  border: 1px solid rgba(212, 168, 75, 0.3);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  color: var(--gold-light);
  font-size: 0.8rem;
  font-weight: 700;
}

.footer-cert-badge svg {
  width: 18px;
  height: 18px;
  fill: var(--gold);
}

.footer h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  min-width: 16px;
  fill: var(--blue-accent);
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

.footer-bottom-social {
  display: flex;
  gap: 16px;
}

.footer-bottom-social a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

.footer-bottom-social a:hover {
  color: var(--white);
}

.footer-bottom-social a svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .about-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .contact-info {
    padding-right: 0;
  }

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

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

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 340px;
    height: 100vh;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: right var(--transition);
    padding: 40px;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
  }

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

  .nav-hamburger {
    display: flex;
  }

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

  .projects-showcase {
    grid-template-columns: 1fr;
  }

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

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

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

  .cert-visual {
    grid-template-columns: 1fr;
  }


  .stc-download .container {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .as9100-banner .container {
    flex-direction: column;
    gap: 12px;
  }

  .as9100-banner-divider {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  .hero-stats {
    flex-direction: column;
    align-items: center;
  }

  .contact-form-wrapper {
    padding: 28px;
  }
}