/* =============================================
   GTL TRANSPORT - SHARED STYLES
   Used by all pages: home, about, routes, careers, contact
   ============================================= */

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

:root {
  --c-light: #e8e4e4;
  --c-soft: #cedade;
  --c-mid: #91c0cc;
  --c-teal: #2dacc4;
  --c-navy: #1e465f;
  --c-white: #ffffff;
  --c-text: #1e465f;
  --c-text-muted: rgba(30, 70, 95, 0.7);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --container: 1200px;
  --nav-height: 76px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* =========== ANNOUNCEMENT BAR =========== */
.announce-bar {
  background: var(--c-navy);
  color: var(--c-white);
  font-size: 13px;
  padding: 10px 0;
}
.announce-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.announce-tag {
  background: var(--c-teal);
  color: var(--c-white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 4px;
}
.announce-text { color: var(--c-soft); }
.announce-link {
  color: var(--c-teal);
  font-weight: 500;
  transition: color 0.2s;
}
.announce-link:hover { color: var(--c-mid); }

/* =========== NAVIGATION =========== */
.nav {
  background: var(--c-white);
  border-bottom: 1px solid rgba(30, 70, 95, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow 0.3s;
}
.nav.scrolled {
  box-shadow: 0 4px 20px rgba(30, 70, 95, 0.06);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 44px;
  width: auto;
  flex-shrink: 0;
  display: block;
}
.footer .nav-logo-img {
  height: 48px;
}
.nav-logo-text { line-height: 1.1; }
.nav-logo-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-navy);
  letter-spacing: 0.5px;
}
.nav-logo-sub {
  font-size: 10px;
  color: var(--c-teal);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 4px;
  margin: 0 auto;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-navy);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.nav-link:hover { background: var(--c-light); }
.nav-link.active { color: var(--c-teal); }
.chevron {
  font-size: 10px;
  transition: transform 0.2s;
}
.has-dropdown:hover .chevron { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--c-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(30, 70, 95, 0.1);
  box-shadow: 0 12px 40px rgba(30, 70, 95, 0.12);
  min-width: 320px;
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s;
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.dropdown-item:hover { background: var(--c-light); }
.dropdown-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid rgba(30, 70, 95, 0.08);
}
.ic-blue { background: var(--c-mid); }
.ic-teal { background: var(--c-teal); }
.ic-navy { background: var(--c-navy); }
.ic-light { background: var(--c-soft); }
.dropdown-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-navy);
}
.dropdown-sub {
  font-size: 12px;
  color: var(--c-text-muted);
  margin-top: 2px;
}

.nav-cta {
  background: var(--c-teal);
  color: var(--c-white);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s;
  flex-shrink: 0;
}
.nav-cta:hover { background: var(--c-navy); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--c-navy);
  border-radius: 1px;
  transition: all 0.2s;
}

/* =========== BUTTONS =========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--c-navy);
  color: var(--c-white);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.2s;
}
.btn-primary:hover {
  background: var(--c-teal);
  transform: translateY(-1px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--c-navy);
  border: 2px solid var(--c-navy);
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}
.btn-ghost:hover { background: var(--c-navy); color: var(--c-white); }
.btn-ghost-light {
  color: var(--c-white);
  border-color: var(--c-white);
}
.btn-ghost-light:hover { background: var(--c-white); color: var(--c-navy); }

/* =========== SECTION COMMON =========== */
.section-head { margin-bottom: 56px; max-width: 700px; }
.section-head-center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  color: var(--c-teal);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-navy);
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-lede {
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-text-muted);
}

/* =========== PAGE HEADER (sub-pages) =========== */
.page-header {
  background: var(--c-navy);
  color: var(--c-white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px;
  background: var(--c-teal);
  opacity: 0.15;
  border-radius: 24px;
  transform: rotate(20deg);
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: -40px; right: 200px;
  width: 120px; height: 120px;
  background: var(--c-mid);
  opacity: 0.2;
  border-radius: 16px;
  transform: rotate(-15deg);
}
.page-header-inner {
  position: relative;
  z-index: 2;
}
.page-eyebrow {
  display: inline-block;
  font-size: 12px;
  color: var(--c-teal);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 16px;
}
.page-title {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 16px;
  max-width: 700px;
}
.page-lede {
  font-size: 18px;
  line-height: 1.6;
  color: var(--c-soft);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-soft);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--c-mid); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--c-white); }
.breadcrumb span { opacity: 0.5; }

/* =========== FOOTER =========== */
.footer {
  background: var(--c-navy);
  color: var(--c-white);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo-name { color: var(--c-white); }
.footer-motto {
  font-style: italic;
  color: var(--c-mid);
  font-size: 14px;
  line-height: 1.5;
  margin: 16px 0;
}
.footer-tagline {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--c-teal);
  letter-spacing: 2px;
  padding: 6px 12px;
  background: rgba(45, 172, 196, 0.15);
  border-radius: var(--radius-sm);
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--c-teal);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--c-soft);
  padding: 6px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--c-white); }
.footer-bottom {
  border-top: 1px solid rgba(206, 218, 222, 0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--c-mid);
  flex-wrap: wrap;
  gap: 16px;
}

/* =========== BACK TO TOP =========== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--c-navy);
  color: var(--c-white);
  border-radius: 50%;
  font-size: 20px;
  box-shadow: 0 8px 24px rgba(30, 70, 95, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--c-teal); }

/* =========== SHARED ANIMATIONS =========== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========== DECORATIVE SQUARES =========== */
.deco-sq {
  position: absolute;
  border-radius: 12px;
}

/* =========== RESPONSIVE =========== */
@media (max-width: 980px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .page-header { padding: 60px 0; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .announce-inner { padding: 0 20px; font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
}