/* =========================================================
   Motor City Transport Services LLC — Site Stylesheet
   Palette: Official City of Detroit flag colors
     --charcoal   #002673  Detroit navy (primary dark)
     --charcoal-2 #04306A  secondary navy surface
     --steel      #1663CF  Detroit light blue (structural accent)
     --white      #FFFFFF
     --fog        #F3F5F7  light section background
     --ink        #1A222C  body text on light bg
     --line       #DCE2E8  hairline dividers
     --red        #C70F2E  Detroit red (required marks, sparing use)
     --amber      #F5DC0F  Detroit gold (primary CTA / accent)
     --electric   #1663CF  secondary accent / focus states
   Type:
     Display: 'Oswald' (condensed, industrial — DOT-signage feel)
     Body:    'Inter'
     Mono:    'IBM Plex Mono' (specs / manifest data)
   ========================================================= */

:root{
  --charcoal:#002673;   /* Detroit flag navy — primary dark */
  --charcoal-2:#04306A; /* secondary navy surface */
  --steel:#1663CF;      /* Detroit flag light blue — structural accent */
  --white:#FFFFFF;
  --fog:#F2F5FA;        /* cool-tinted light section bg, harmonized with navy */
  --ink:#1A222C;
  --line:#D8E0EE;       /* blue-tinted hairline, replaces flat gray */
  --red:#C70F2E;        /* Detroit flag red — required marks, sparing use */
  --amber:#F5DC0F;      /* Detroit flag gold — primary CTA / accent */
  --electric:#1663CF;
  --muted-on-dark-1:#C7D3EA;   /* light blue-gray body text on navy */
  --muted-on-dark-2:#9FB0D1;   /* secondary muted on navy */
  --muted-on-dark-3:#7E8FB3;   /* tertiary muted on navy (footer bottom) */
  --muted-on-light-1:#4A5568;  /* body-muted text on white, blue-shifted */
  --muted-on-light-2:#5B677E;  /* lighter body-muted on white */
  --radius:8px;
  --radius-card:12px;
  --shadow-sm:0 1px 3px rgba(0,38,115,0.08);
  --shadow-md:0 6px 20px rgba(0,38,115,0.12);
  --maxw:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Oswald',sans-serif;
  text-transform:uppercase;
  letter-spacing:0.02em;
  line-height:1.1;
  margin:0 0 0.5em;
  font-weight:600;
}
p{margin:0 0 1em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.mono{font-family:'IBM Plex Mono',monospace;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Oswald',sans-serif;
  text-transform:uppercase;letter-spacing:0.05em;
  font-size:14px;font-weight:700;
  padding:14px 28px;
  border-radius:var(--radius);
  border:2px solid transparent;
  cursor:pointer;
  box-shadow:var(--shadow-sm);
  transition:transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary{background:var(--amber);color:var(--charcoal);}
.btn-primary:hover{background:#FBEE5C;}
.btn-outline{border-color:var(--white);color:var(--white);}
.btn-outline:hover{background:var(--white);color:var(--charcoal);}
.btn-outline-dark{border-color:var(--charcoal);color:var(--charcoal);}
.btn-outline-dark:hover{background:var(--charcoal);color:var(--white);}
.btn-block{width:100%;justify-content:center;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--charcoal);
  box-shadow:0 2px 12px rgba(0,0,0,0.18);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo{
  display:flex;flex-direction:column;line-height:1;color:var(--white);
}
.logo .logo-main{
  font-family:'Oswald',sans-serif;font-weight:700;font-size:19px;
  letter-spacing:0.03em;text-transform:uppercase;
}
.logo .logo-sub{
  font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.14em;
  color:var(--amber);margin-top:4px;text-transform:uppercase;
}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  color:var(--white);font-family:'Oswald',sans-serif;font-size:14px;
  letter-spacing:0.04em;text-transform:uppercase;font-weight:600;
  padding:6px 2px;border-bottom:2px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
.nav-links a:hover,.nav-links a.active{border-color:var(--amber);color:var(--amber);}
.nav-cta{margin-left:8px;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
.hamburger span{width:26px;height:2px;background:var(--white);display:block;}

/* Manifest strip (signature element) — dispatch-board style credential bar */
.manifest{
  background:var(--charcoal-2);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.manifest .wrap{
  display:flex;flex-wrap:wrap;gap:0;
  font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted-on-dark-2);
}
.manifest .m-item{
  padding:9px 20px 9px 0;margin-right:20px;
  border-right:1px solid rgba(255,255,255,0.12);
  white-space:nowrap;
}
.manifest .m-item:last-child{border-right:none;}
.manifest .m-item b{color:var(--amber);font-weight:700;}

/* Route-line divider (signature motif — highway lane marking) */
.route-divider{
  height:6px;
  background-image:repeating-linear-gradient(90deg,var(--amber) 0 28px,transparent 28px 52px);
  opacity:0.9;
}

/* Hero */
.hero{
  position:relative;
  background:
    linear-gradient(100deg,rgba(0,38,115,0.92) 0%,rgba(0,38,115,0.72) 38%,rgba(0,38,115,0.35) 65%,rgba(0,38,115,0.15) 100%),
    url('../img/hero-truck.jpg') center 35%/cover no-repeat;
  color:var(--white);
  padding:110px 0 100px;
  overflow:hidden;
  min-height:520px;
  display:flex;align-items:center;
}
.truck-banner{
  padding:0;line-height:0;background:#F3F5F7;border-bottom:1px solid var(--line);
}
.truck-banner img{max-height:280px;object-fit:cover;width:100%;}
.hero-inner{position:relative;z-index:2;max-width:640px;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.18em;
  text-transform:uppercase;color:var(--amber);margin-bottom:18px;display:block;font-weight:600;
}
.hero h1{font-size:clamp(34px,5vw,58px);margin-bottom:20px;font-weight:700;}
.hero .sub{font-size:18px;color:var(--muted-on-dark-1);max-width:520px;margin-bottom:36px;}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;}

/* Page hero (secondary pages, shorter) */
.page-hero{
  background:var(--charcoal);color:var(--white);padding:64px 0 52px;position:relative;overflow:hidden;
}
.page-hero h1{font-size:clamp(28px,4vw,42px);margin-bottom:14px;font-weight:700;}
.page-hero .sub{color:var(--muted-on-dark-1);max-width:600px;font-size:16px;}

/* Sections */
section{padding:80px 0;}
.section-fog{background:var(--fog);}
.section-eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--steel);margin-bottom:10px;display:block;font-weight:600;
}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{font-size:clamp(26px,3vw,36px);}

/* Pillars / 3-col grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.pillar{
  background:var(--white);border:1px solid var(--line);border-top:3px solid var(--amber);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:32px 28px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.pillar:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.pillar .num{
  font-family:'IBM Plex Mono',monospace;color:var(--steel);font-size:13px;margin-bottom:14px;display:block;
}
.pillar h3{font-size:19px;margin-bottom:12px;}
.pillar p{color:var(--muted-on-light-1);font-size:15px;margin:0;}

/* Spec matrix */
.spec-matrix{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.spec-cell{padding:26px 22px;border-right:1px solid var(--line);}
.spec-cell:last-child{border-right:none;}
.spec-cell .label{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.08em;
  text-transform:uppercase;color:var(--steel);display:block;margin-bottom:8px;
}
.spec-cell .value{font-family:'Oswald',sans-serif;font-size:17px;font-weight:600;}

/* Forms */
.form-panel{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:44px;
}
.form-panel h3{font-size:22px;margin-bottom:8px;}
.form-note{color:var(--muted-on-light-2);font-size:14px;margin-bottom:28px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--charcoal);font-weight:600;
}
.field label .req{color:var(--red);}
.field input,.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 14px;font-family:'Inter',sans-serif;font-size:14px;
  background:var(--white);color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--electric);outline-offset:1px;border-color:var(--electric);
}
.radio-row{display:flex;gap:24px;flex-wrap:wrap;padding-top:6px;}
.radio-opt{display:flex;align-items:center;gap:8px;font-size:14px;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;}
.form-submit{margin-top:28px;}
.form-status{margin-top:16px;font-size:14px;display:none;}
.form-status.show{display:block;}
.form-status.ok{color:#1a7a3c;}
.form-status.err{color:#B3261E;}

/* Requirements list (careers) */
.req-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;max-width:560px;}
.req-list li{
  display:flex;align-items:flex-start;gap:14px;font-size:16px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.req-list .mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--amber);
  color:var(--charcoal);font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}

/* Fleet grid */
.fleet-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;}
.fleet-card{
  border:1px solid var(--line);background:var(--white);overflow:hidden;
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease;
}
.fleet-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.fleet-card .fleet-img{
  background:var(--charcoal-2);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.fleet-card .fleet-body{padding:22px 24px;}
.fleet-card .unit-tag{
  font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--steel);letter-spacing:0.08em;
  text-transform:uppercase;display:block;margin-bottom:6px;
}
.fleet-card h3{font-size:19px;margin-bottom:10px;}
.fleet-card .specs{display:flex;flex-wrap:wrap;gap:8px;}
.fleet-card .specs span{
  font-family:'IBM Plex Mono',monospace;font-size:12px;background:var(--fog);
  border:1px solid var(--line);border-radius:6px;padding:5px 10px;color:var(--charcoal);font-weight:600;
}
.fleet-note{
  margin-top:36px;padding:20px 24px;background:var(--fog);border-left:3px solid var(--amber);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  font-size:14px;color:var(--muted-on-light-1);
}

/* About page */
.about-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:start;}
.info-block{margin-bottom:28px;}
.info-block .label{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.08em;
  text-transform:uppercase;color:var(--steel);display:block;margin-bottom:8px;
}
.info-block .val{font-size:17px;font-weight:600;}
.map-frame{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-sm);}
.map-frame iframe{width:100%;height:100%;border:0;}

/* CTA band */
.cta-band{
  background:var(--charcoal);color:var(--white);padding:64px 0;text-align:center;
}
.cta-band h2{font-size:clamp(24px,3vw,32px);margin-bottom:12px;font-weight:700;}
.cta-band p{color:var(--muted-on-dark-1);margin-bottom:28px;}
.cta-band .hero-ctas{justify-content:center;}

/* Footer */
.site-footer{background:var(--charcoal);color:var(--muted-on-dark-2);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-grid h4{color:var(--white);font-size:14px;margin-bottom:14px;font-weight:700;letter-spacing:0.03em;}
.footer-grid p, .footer-grid a{font-size:14px;line-height:1.7;color:var(--muted-on-dark-2);}
.footer-grid a:hover{color:var(--amber);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--muted-on-dark-3);
}
.footer-bottom a{color:var(--muted-on-dark-3);margin-left:18px;}
.footer-bottom a:hover{color:var(--amber);}

/* Legal pages */
.legal-body{max-width:760px;}
.legal-body h2{font-size:22px;margin-top:36px;}
.legal-body p,.legal-body li{color:var(--muted-on-light-1);font-size:15px;}
.legal-updated{
  font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--steel);
  text-transform:uppercase;letter-spacing:0.06em;margin-bottom:24px;display:block;
}

/* Responsive */
@media (max-width: 860px){
  .grid-3{grid-template-columns:1fr;}
  .spec-matrix{grid-template-columns:1fr 1fr;}
  .spec-cell{border-bottom:1px solid var(--line);}
  .form-grid{grid-template-columns:1fr;}
  .fleet-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-truck-graphic{display:none;}
  .nav-links{
    position:absolute;top:76px;left:0;right:0;background:var(--charcoal);
    flex-direction:column;align-items:flex-start;padding:20px 24px;gap:18px;
    display:none;border-bottom:1px solid rgba(255,255,255,0.08);
  }
  .nav-links.open{display:flex;}
  .hamburger{display:flex;}
  .nav-cta{margin-left:0;}
  .manifest .wrap{overflow-x:auto;flex-wrap:nowrap;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .btn{transition:none;}
}