:root {
  --primary-color: #003366; /* Deep Navy Blue */
  --accent-color: #F58220; /* Safety Orange */
  --text-dark: #333333;
  --text-gray: #666666;
  --bg-light: #EDF2F7;
  --bg-white: #FFFFFF;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Roboto', sans-serif;
  color: var(--text-dark);
}

body {
  line-height: 1.6;
  background-color: var(--bg-white);
}

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 15px;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-4 { margin-top: 2rem; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary-color); }
.text-white { color: var(--bg-white) !important; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-weight: 500;
  border-radius: 4px;
  text-transform: uppercase;
  font-size: 14px;
  transition: all 0.3s;
}
.btn-primary {
  background-color: var(--accent-color);
  color: var(--bg-white);
  border: none;
}
.btn-primary:hover {
  background-color: #d76b16;
}
.btn-nav {
  border: 1px solid var(--primary-color);
  padding: 8px 16px;
  border-radius: 4px;
}
.btn-nav:hover {
  background-color: var(--primary-color);
  color: var(--bg-white) !important;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  z-index: 1000;
  padding: 10px 0;
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}
.logo-icon {
  height: 72px;
  width: auto;
  display: block;
}
.logo-name {
  height: 50px;
  width: auto;
  display: block;
}

/* ===== NAV RIGHT + LANGUAGE SELECTOR ===== */
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-menu {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}
.nav-menu a {
  font-weight: 500;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dark);
  transition: color 0.3s;
}
.nav-menu a:hover {
  color: var(--accent-color);
}
.btn-nav {
  border: 1.5px solid var(--primary-color);
  padding: 7px 15px;
  border-radius: 4px;
  font-weight: 600 !important;
  color: var(--primary-color) !important;
}
.btn-nav:hover {
  background-color: var(--primary-color);
  color: var(--bg-white) !important;
}

/* Language Selector */
.lang-selector {
  position: relative;
  margin-left: 18px;
  border-left: 1px solid #dce1e8;
  padding-left: 18px;
}
.lang-current {
  display: flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: 1.5px solid #d0d7e3;
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
  font-family: 'Roboto', sans-serif;
  transition: border-color 0.3s, background 0.2s;
}
.lang-current:hover, .lang-current.open {
  border-color: var(--primary-color);
  background: #f0f4f9;
}
.lang-current .fi {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  box-shadow: 0 0 0 1.5px rgba(0,0,0,0.08);
}
.lang-code {
  letter-spacing: 0.5px;
  color: var(--primary-color);
}
.lang-chevron {
  width: 14px;
  height: 14px;
  stroke: var(--text-gray);
  transition: transform 0.25s;
}
.lang-selector.open .lang-chevron {
  transform: rotate(180deg);
}
.lang-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg-white);
  border: 1px solid #dce1e8;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,30,80,0.12);
  overflow: hidden;
  min-width: 165px;
  z-index: 9999;
}
.lang-selector.open .lang-dropdown {
  display: block;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: none;
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  font-family: 'Roboto', sans-serif;
  color: var(--text-dark);
  transition: background 0.2s;
  text-align: left;
}
.lang-btn:hover {
  background: var(--bg-light);
}
.lang-btn.active {
  background: #ebf2fb;
  font-weight: 600;
  color: var(--primary-color);
}
.lang-btn .fi {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  box-shadow: 0 0 0 1.5px rgba(0,0,0,0.07);
  flex-shrink: 0;
}
.lang-btn span:last-child {
  flex: 1;
}

/* ===== SECTION EYEBROW ===== */
.section-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0.8;
  color: var(--accent-color);
}
.text-blue { color: var(--secondary-blue, #0055A4) !important; }

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  height: 80vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  margin-top: 95px;
}
.hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
  background-image: url('../images/hero/hero-bg.jpg');
  background-size: cover;
  background-position: center center;
}
.hero-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(0, 51, 102, 0.6);
}
.hero-content {
  position: relative;
  z-index: 2;
  color: var(--bg-white);
  max-width: 800px;
}
.hero h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  margin-bottom: 30px;
  font-weight: 300;
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 0;
}
.section-heading {
  margin-bottom: 50px;
}
.section-heading h2 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 15px;
}
.section-lead {
  font-size: 18px;
  color: var(--text-gray);
  max-width: 800px;
  margin: 0 auto;
}

/* ===== GRIDS ===== */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
}

/* ===== CARDS & BOXES ===== */
.card {
  background: var(--bg-white);
  padding: 30px 20px;
  border-radius: 4px;
  border-top: 4px solid var(--accent-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.card h3 {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 10px;
}
.card p {
  color: var(--text-gray);
  font-size: 14px;
}
.info-box {
  background: var(--bg-white);
  padding: 25px;
  border-left: 4px solid var(--primary-color);
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.info-box h4 {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 10px;
}
.info-box p {
  font-size: 15px;
  color: var(--text-gray);
}
.standard-box {
  background: rgba(255,255,255,0.1);
  padding: 30px;
  border-radius: 4px;
}
.standard-box h4 {
  color: var(--accent-color);
  margin-bottom: 10px;
  font-size: 20px;
}

/* ===== LAYOUT SPLIT ===== */
.layout-split {
  display: flex;
  align-items: center;
  gap: 50px;
}
.split-content {
  flex: 1;
}
.split-content h2 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 20px;
}
.bullet-list { list-style: none; }
.bullet-list li {
  margin-bottom: 15px;
  padding-left: 20px;
  position: relative;
  font-size: 16px;
  color: var(--text-gray);
}
.bullet-list li::before {
  content: "■";
  color: var(--accent-color);
  position: absolute;
  left: 0; top: 0;
}
.split-image { flex: 1; }
.img-responsive { width: 100%; height: auto; display: block; }
.shadow { box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

/* ===== CONTACT SECTION ===== */
.contact-section {
  background: var(--bg-light);
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 16px;
}
.contact-info .section-lead {
  font-size: 16px;
  margin: 0 0 28px 0;
  text-align: left;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}
.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-gray);
}
.contact-detail-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--primary-color);
  flex-shrink: 0;
  margin-top: 2px;
}
.icao-badge {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--primary-color);
  color: var(--bg-white);
  padding: 14px 18px;
  border-radius: 6px;
  font-size: 12px;
}
.icao-badge span:first-child {
  font-weight: 700;
  font-size: 13px;
  opacity: 0.9;
  letter-spacing: 1px;
}
.icao-badge span:last-child {
  opacity: 0.7;
  font-family: monospace;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,30,80,0.08);
  border: 1px solid #dce1e8;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #d0d7e3;
  border-radius: 5px;
  font-size: 14px;
  font-family: 'Roboto', sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.08);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.btn-full {
  width: 100%;
  margin-top: 8px;
  padding: 14px;
  font-size: 15px;
  cursor: pointer;
  font-family: 'Roboto', sans-serif;
  box-shadow: 0 4px 12px rgba(245, 130, 32, 0.25);
}
.form-feedback {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
}
.form-feedback-success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}
.form-feedback-error {
  background: #fce4ec;
  color: #b71c1c;
  border: 1px solid #f48fb1;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary-color);
  color: var(--bg-white);
  padding: 36px 0;
  text-align: center;
}
.footer-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}
.footer-text {
  font-size: 12px;
  opacity: 0.6;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .logo-icon { height: 50px; }
  .logo-name { height: 35px; }
  .hero { margin-top: 75px; }
  .layout-split { flex-direction: column; }
  .hero h1 { font-size: 26px; }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 16px; }
  .lang-selector { display: none; }
}