/* Entermodal — runentermodal.com
   Light site · onyx hero + footer · Signal Red accents.
   Colors: Signal Red #D71319 · Onyx #0A0A0B · Steel #7B7B7C */

:root{
  --red:#D71319;
  --red-deep:#B10F14;
  --onyx:#0A0A0B;
  --ink:#141416;
  --steel:#7B7B7C;
  --paper:#FFFFFF;
  --mist:#F6F6F5;
  --line:#E4E4E3;
  --line-dark:#26262A;

  --font:"Saira",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wrap:1120px;
  --pad:clamp(20px,5vw,48px);
  --r:14px;
  --shadow:0 1px 2px rgba(10,10,11,.05),0 8px 30px rgba(10,10,11,.06);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}

.skip{position:absolute;left:-999px;top:0;background:var(--onyx);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:1rem;letter-spacing:.2px;
  padding:13px 24px;border-radius:10px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .12s ease,background .15s ease,border-color .15s ease,box-shadow .15s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(215,19,25,.28)}
.btn-red:hover{background:var(--red-deep)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-block{width:100%;padding-block:15px}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.nav-brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--ink);font-weight:500;font-size:.98rem}
.nav-links a:hover{color:var(--red);text-decoration:none}
.nav-login{position:relative}
.nav-cta{color:#fff !important;padding:9px 18px;font-size:.95rem}
.nav-cta:hover{color:#fff !important}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(1000px 500px at 50% -10%, rgba(215,19,25,.16), transparent 60%),
    var(--onyx);
  color:#fff;
  text-align:center;
  padding:clamp(48px,9vw,96px) 0 clamp(56px,10vw,104px);
  border-bottom:3px solid var(--red);
}
.hero-in{max-width:820px;margin:0 auto}
.hero-logo{width:clamp(150px,26vw,220px);height:auto;margin:0 auto clamp(24px,4vw,36px)}
.hero h1{
  font-size:clamp(2rem,5.6vw,3.55rem);
  line-height:1.08;font-weight:700;letter-spacing:-.5px;
  margin:0 0 18px;
}
.hero-doctrine{
  font-size:clamp(1.05rem,2.4vw,1.4rem);
  font-weight:600;color:#fff;margin:0 0 20px;letter-spacing:.2px;
}
.hero-doctrine::before,.hero-doctrine::after{content:"";display:inline-block;width:34px;height:2px;background:var(--red);vertical-align:middle;margin:0 14px}
.hero-sub{font-size:clamp(1.02rem,1.6vw,1.18rem);color:#C9C9CA;max-width:640px;margin:0 auto 32px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Sections ---------- */
.section{padding:clamp(56px,9vw,104px) 0}
.eyebrow{
  text-transform:uppercase;letter-spacing:2.5px;font-size:.8rem;font-weight:700;
  color:var(--red);margin:0 0 12px;
}
.section-title{
  font-size:clamp(1.7rem,3.6vw,2.5rem);line-height:1.12;font-weight:700;
  letter-spacing:-.4px;margin:0 0 16px;max-width:20ch;
}
.section-lead{font-size:clamp(1.05rem,1.7vw,1.22rem);color:#4a4a4d;max-width:60ch;margin:0 0 8px}

/* ---------- Feature blocks ---------- */
.feature{
  border:1px solid var(--line);border-radius:var(--r);background:var(--paper);
  padding:clamp(24px,3.5vw,40px);margin-top:28px;box-shadow:var(--shadow);
}
.feature:first-of-type{margin-top:40px}
.feature.flagship{border-color:rgba(215,19,25,.35);border-top:4px solid var(--red)}
.feature-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px 16px;margin-bottom:12px}
.feature-head h3{font-size:clamp(1.35rem,2.6vw,1.9rem);font-weight:700;letter-spacing:-.3px;margin:0}
.feature-tag{
  display:inline-block;background:var(--red);color:#fff;font-size:.72rem;font-weight:700;
  text-transform:uppercase;letter-spacing:1.5px;padding:5px 11px;border-radius:6px;
}
.feature-lead{font-size:1.08rem;color:#333;max-width:64ch;margin:0 0 20px}

.hero-feature{
  background:var(--onyx);color:#fff;border-radius:12px;padding:clamp(20px,3vw,30px);
  margin:0 0 24px;border-left:4px solid var(--red);
}
.hero-feature-label{text-transform:uppercase;letter-spacing:2px;font-size:.72rem;font-weight:700;color:var(--red);margin:0 0 6px}
.hero-feature h4{font-size:clamp(1.2rem,2.2vw,1.55rem);font-weight:700;margin:0 0 10px}
.hero-feature p{color:#D2D2D3;margin:0;font-size:1.04rem}

.feature-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 32px}
.feature-list li{position:relative;padding-left:26px;font-size:1.02rem;color:#333}
.feature-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:3px;
  background:var(--red);
}
.feature-list li b{color:var(--ink);font-weight:600}

.ladder{
  font-weight:600;color:var(--ink);font-size:1.05rem;margin:0 0 20px;
  background:var(--mist);border:1px solid var(--line);border-radius:10px;padding:14px 18px;
  display:inline-block;
}
.ladder span{color:var(--red);margin:0 6px;font-weight:700}

/* ---------- Doctrine band ---------- */
.band{background:var(--onyx);color:#fff;text-align:center;padding:clamp(48px,7vw,80px) 0}
.band-in{max-width:760px;margin:0 auto}
.band-line{font-size:clamp(1.5rem,3.4vw,2.4rem);font-weight:700;letter-spacing:-.3px;margin:0 0 14px}
.band-line span{color:var(--red)}
.band-sub{color:#C9C9CA;font-size:clamp(1rem,1.6vw,1.15rem);max-width:60ch;margin:0 auto}

/* ---------- Who it's for ---------- */
.who-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.who-card{border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;background:var(--mist)}
.who-card h3{font-size:1.2rem;font-weight:700;margin:0 0 10px}
.who-card p{margin:0;color:#4a4a4d;font-size:1rem}

/* ---------- For drivers ---------- */
.drivers-note{
  margin:28px 0 0;font-size:1.02rem;color:#4a4a4d;max-width:70ch;
  padding-left:16px;border-left:3px solid var(--red);
}

/* ---------- Demo ---------- */
.demo{background:var(--mist);border-top:1px solid var(--line)}
.demo-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.demo-copy .section-lead{margin-bottom:16px}
.demo-direct{font-size:1rem;color:#4a4a4d;margin:0}
.demo-form{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,32px);box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px;color:var(--ink)}
.field input,.field textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(215,19,25,.14)}
.field textarea{resize:vertical}
.form-note{font-size:.88rem;color:var(--steel);margin:14px 0 0;line-height:1.5}
.form-note.err{color:var(--red-deep);font-weight:600}

/* ---------- Footer ---------- */
.footer{background:var(--onyx);color:#fff;padding:clamp(40px,6vw,64px) 0}
.footer-in{display:flex;gap:28px;align-items:flex-start;flex-wrap:wrap;justify-content:space-between}
.footer-logo{height:38px;width:auto}
.footer-meta{text-align:right}
.footer-meta p{margin:0 0 4px;color:#C9C9CA;font-size:.98rem}
.footer-meta p b{color:#fff}
.footer-contact a{color:#fff;font-weight:600}
.footer-copy{color:var(--steel) !important;font-size:.85rem !important;margin-top:10px !important}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px var(--pad) 18px;
    box-shadow:var(--shadow);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 2px;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav-cta{margin-top:12px;border-bottom:0 !important}
  .feature-list{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr 1fr}
  .demo-in{grid-template-columns:1fr}
}
@media (max-width:520px){
  .who-grid{grid-template-columns:1fr}
  .hero-doctrine::before,.hero-doctrine::after{width:20px;margin:0 8px}
  .footer-in{flex-direction:column}
  .footer-meta{text-align:left}
}