/* ==========================================================================
   Transit Freight System Inc — shared styles
   Tokens: Navy #0A1F38, Ontario Blue #1D5AA6, Highway Blue #3FA9E0,
           Asphalt Gray #4B5563, Paper White #F7F8FA, Ink #16191D
   ========================================================================== */

@font-face { font-display: swap; }

:root{
  --navy: #0A1F38;
  --blue: #1D5AA6;
  --highway: #3FA9E0;
  --asphalt: #4B5563;
  --paper: #F7F8FA;
  --ink: #16191D;
  --line: #E1E5EA;
  --white: #FFFFFF;
  --safety: #F2A71B; /* small warm accent, used sparingly */

  --display: 'Oswald', 'Arial Narrow', sans-serif;
  --body: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;

  --maxw: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }
h1,h2,h3{
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.08;
  margin: 0 0 0.5em;
  color: var(--navy);
}
p{ margin: 0 0 1em; }
.container{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }

a:focus-visible, button:focus-visible{
  outline: 3px solid var(--highway);
  outline-offset: 2px;
}

/* ---------- Nav ---------- */
.site-nav{
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky; top:0; z-index: 50;
}
.site-nav .container{
  display:flex; align-items:center; justify-content:space-between;
  gap: 24px; padding-top: 12px; padding-bottom: 12px;
}
.site-nav img{ height: 40px; width:auto; }
.nav-links{
  display:flex; align-items:center; gap: 28px; list-style:none; margin:0; padding:0;
}
.nav-links a{
  text-decoration:none;
  font-family: var(--display);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--asphalt);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{
  color: var(--blue);
  border-bottom-color: var(--highway);
}
.nav-cta{
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  background: var(--blue);
  color: var(--white) !important;
  padding: 10px 18px;
  border-radius: 3px;
  text-decoration:none;
  white-space: nowrap;
}
.nav-cta:hover{ background: var(--navy); }
.nav-toggle{ display:none; }

/* ---------- Corridor signature element ---------- */
.corridor{
  position: relative;
  height: 3px;
  background: repeating-linear-gradient(
    to right, var(--highway) 0 22px, transparent 22px 40px
  );
  margin: 0 auto;
  width: 100%;
}
.corridor-map{
  display:flex; align-items:center; gap: 10px;
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em;
  color: var(--asphalt); text-transform: uppercase;
}
.corridor-map .pt{
  display:flex; align-items:center; gap:8px; white-space:nowrap;
}
.corridor-map .dot{
  width:9px; height:9px; border-radius:50%; background: var(--blue); flex:none;
}
.corridor-map .dot.end{ background: var(--highway); }
.corridor-map .rule{
  flex:1;
  height:2px;
  background: repeating-linear-gradient(to right, var(--asphalt) 0 10px, transparent 10px 18px);
  min-width: 40px;
}

/* ---------- Hero ---------- */
.hero{
  background: var(--navy);
  color: var(--white);
  padding: 84px 0 56px;
  position: relative;
  overflow:hidden;
}
.hero .container{ position:relative; z-index:2; }
.hero-eyebrow{
  font-family: var(--mono);
  color: var(--highway);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  margin-bottom: 14px;
}
.hero h1{
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  max-width: 14ch;
}
.hero p.lead{
  color: #C9D6E5;
  font-size: 1.15rem;
  max-width: 46ch;
  margin-top: 18px;
}
.hero-actions{
  display:flex; flex-wrap:wrap; gap: 14px; margin-top: 32px;
}
.btn{
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 3px;
  text-decoration:none;
  display:inline-flex; align-items:center; gap:10px;
  border: 2px solid transparent;
}
.btn-primary{ background: var(--highway); color: var(--navy); }
.btn-primary:hover{ background: #63bce8; }
.btn-secondary{ border-color: rgba(255,255,255,0.4); color: var(--white); }
.btn-secondary:hover{ border-color: var(--white); }

.hero .corridor-map{ margin-top: 44px; color: #9FB3C8; }
.hero .corridor-map .rule{ background: repeating-linear-gradient(to right, #4a6d92 0 10px, transparent 10px 18px); }

/* ---------- Credentials placard strip ---------- */
.placard{
  background: var(--white);
  border-bottom: 1px solid var(--line);
  border-top: 4px solid var(--highway);
}
.placard .container{
  display:flex; flex-wrap:wrap; gap: 10px 28px;
  padding-top: 20px; padding-bottom: 20px;
}
.placard-item{
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--asphalt);
  white-space: nowrap;
}
.placard-item b{
  color: var(--navy);
  font-weight: 600;
}

/* ---------- Sections ---------- */
section{ padding: 72px 0; }
.section-label{
  font-family: var(--mono);
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  margin-bottom: 10px;
}
.section-head{ max-width: 62ch; margin-bottom: 44px; }
.section-head h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }
.section-head p{ color: var(--asphalt); font-size: 1.05rem; }

/* ---------- Service cards ---------- */
.services-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  padding: 32px;
}
.service-card h3{ font-size: 1.4rem; color: var(--navy); }
.service-card .tag{
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--highway);
  display:block;
  margin-bottom: 10px;
}
.service-card p{ color: var(--asphalt); }
.service-card ul{ margin: 16px 0 0; padding-left: 20px; color: var(--asphalt); }
.service-card li{ margin-bottom: 6px; }

/* ---------- Why / stats ---------- */
.why-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.why-item{ border-left: 3px solid var(--highway); padding-left: 18px; }
.why-item .stat{
  font-family: var(--display);
  font-size: 2.2rem;
  color: var(--navy);
  display:block;
  line-height: 1;
  margin-bottom: 8px;
}
.why-item p{ color: var(--asphalt); margin:0; }

/* ---------- Service area ---------- */
.area{
  background: var(--navy);
  color: var(--white);
}
.area .section-head p{ color: #C9D6E5; }
.area .section-label{ color: var(--highway); }
.area-list{
  display:flex; flex-wrap:wrap; gap: 12px;
  list-style:none; padding:0; margin: 28px 0 0;
}
.area-list li{
  font-family: var(--mono);
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.25);
  padding: 8px 14px;
  border-radius: 3px;
  color: #DCE6F0;
}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}
.contact-card{
  background: var(--white);
  border: 1px solid var(--line);
  padding: 32px;
}
.contact-method{
  display:flex; align-items:baseline; gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.contact-method:last-child{ border-bottom:none; }
.contact-method .label{
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
  min-width: 80px;
}
.contact-method a{
  font-family: var(--display);
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--navy);
}
.contact-method a:hover{ color: var(--blue); }
.contact-note{
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 24px;
  font-size: 0.95rem;
  color: var(--asphalt);
}
.contact-note h3{ font-size: 1rem; color: var(--navy); }

/* ---------- Footer ---------- */
footer{
  background: var(--navy);
  color: #B9C7D6;
  padding: 48px 0 28px;
}
footer .footer-top{
  display:flex; justify-content:space-between; align-items:flex-start;
  flex-wrap:wrap; gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
footer .footer-logo{ height: 32px; filter: brightness(0) invert(1); margin-bottom: 14px; }
footer .footer-col h4{
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  font-size: 0.9rem;
  margin: 0 0 12px;
}
footer .footer-col p, footer .footer-col a{
  font-size: 0.9rem;
  color: #B9C7D6;
  text-decoration:none;
  display:block;
  margin-bottom: 6px;
}
footer .footer-col a:hover{ color: var(--highway); }
footer .placard-item{ color: #9FB3C8; }
footer .placard-item b{ color: #DCE6F0; }
footer .footer-bottom{
  padding-top: 20px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size: 0.8rem; color: #7E93A8;
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero{
  background: var(--navy); color: var(--white);
  padding: 56px 0 40px;
}
.page-hero h1{ color: var(--white); font-size: clamp(1.9rem, 4vw, 2.6rem); }
.page-hero p{ color: #C9D6E5; max-width: 56ch; margin-top: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .services-grid{ grid-template-columns: 1fr; }
  .why-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }

  .nav-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width: 40px; height: 40px;
    background: none; border: 1px solid var(--line); border-radius: 3px;
    cursor:pointer;
  }
  .nav-toggle span{
    display:block; width:18px; height:2px; background: var(--navy);
    box-shadow: 0 6px 0 var(--navy), 0 -6px 0 var(--navy);
  }
  .nav-links{
    display:none;
    position:absolute; top:100%; left:0; right:0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction:column; align-items:flex-start;
    padding: 8px 24px 18px;
    gap: 4px;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ width:100%; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .site-nav .container{ position:relative; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}