/* ===== Tokens ===== */
:root{
  --ink:#16332E;
  --ink-2:#1F4038;
  --ink-soft:rgba(22,51,46,0.68);
  --paper:#EEF0E6;
  --paper-2:#E4E7D8;
  --card:#FBFBF7;
  --brass:#B3872F;
  --brass-light:#D9AE5C;
  --sage:#6F9483;
  --sage-light:#E4EBE6;
  --plate-blue:#14509A;
  --danger:#8E3B3B;
  --success:#2F6F4E;
  --line:#D9DCCB;

  --font-display:"Fraunces", ui-serif, Georgia, serif;
  --font-body:"IBM Plex Sans", system-ui, -apple-system, Arial, sans-serif;
  --font-mono:"IBM Plex Mono", ui-monospace, monospace;

  --shell-max:1080px;
  --radius:10px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(111,148,131,0.10), transparent 40%),
    radial-gradient(circle at 88% 4%, rgba(179,135,47,0.08), transparent 35%);
}
.shell{max-width:var(--shell-max);margin:0 auto;padding:0 24px}

a{color:var(--ink-2)}
::selection{background:var(--brass-light);color:var(--ink)}

:focus-visible{outline:3px solid var(--plate-blue);outline-offset:2px;border-radius:4px}

/* ===== Header ===== */
.site-header{padding:22px 0 14px;border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:36px;height:36px;color:var(--brass);flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:0.02em}
.brand-sub{font-size:11.5px;color:var(--ink-soft);letter-spacing:0.03em;text-transform:uppercase}
.site-nav{display:flex;gap:24px}
.site-nav a{text-decoration:none;font-size:14px;font-weight:500;color:var(--ink-soft)}
.site-nav a:hover{color:var(--ink)}

/* ===== Gate hero ===== */
.gate{padding:48px 24px 64px}
.gate-grid{display:grid;grid-template-columns:400px 1fr;gap:28px;align-items:stretch}

.panel-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:0 10px 30px rgba(22,51,46,0.06);
}
.tabs{display:flex;gap:4px;background:var(--paper-2);border-radius:8px;padding:4px;margin-bottom:18px}
.tab-btn{
  flex:1;border:none;background:transparent;padding:9px 8px;border-radius:6px;
  font-family:var(--font-body);font-weight:600;font-size:13.5px;color:var(--ink-soft);cursor:pointer;
}
.tab-btn[aria-selected="true"]{background:var(--ink);color:#fff}

form label{display:block;margin-top:12px;font-size:13px;font-weight:500;color:var(--ink-soft)}
form label:first-child{margin-top:0}
input,select,textarea{
  width:100%;margin-top:6px;padding:11px 12px;
  border:1px solid var(--line);border-radius:7px;
  background:#fff;font-family:var(--font-body);font-size:14.5px;color:var(--ink);
}
input::placeholder,textarea::placeholder{color:#9AA39C}
textarea{resize:vertical}

.btn{
  font-family:var(--font-body);font-weight:600;font-size:14.5px;
  border-radius:7px;border:none;cursor:pointer;padding:11px 16px;width:100%;
  transition:transform .12s ease, opacity .12s ease;
}
.btn:active{transform:scale(0.99)}
.btn[disabled]{opacity:0.55;cursor:not-allowed}
.btn-primary{margin-top:16px;background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-2)}
.btn-ghost{background:var(--sage-light);color:var(--ink-2)}
.divider{display:flex;align-items:center;gap:10px;margin:16px 0;color:var(--ink-soft);font-size:12px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--line)}
.form-note{font-size:12px;color:var(--ink-soft);margin-top:10px;line-height:1.5}

/* ===== Nameplate (signature element) ===== */
.nameplate{
  background:linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
  border-radius:var(--radius);
  border:1px solid rgba(179,135,47,0.4);
  padding:36px 40px;
  display:flex;flex-direction:column;justify-content:space-between;
  position:relative;overflow:hidden;
  box-shadow:0 20px 45px rgba(15,30,27,0.28);
}
.nameplate::before{
  content:'';position:absolute;inset:10px;
  border:1px solid rgba(217,174,92,0.35);border-radius:6px;pointer-events:none;
}
.nameplate-inner{position:relative;z-index:1}
.nameplate-eyebrow{
  display:inline-block;font-family:var(--font-mono);font-size:11.5px;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--brass-light);margin-bottom:14px;
}
.nameplate-title{
  font-family:var(--font-display);font-weight:600;font-size:clamp(38px,5vw,58px);
  line-height:1.02;letter-spacing:0.01em;margin:0;
  color:#F3E9D2;
  text-shadow:0 1px 0 rgba(0,0,0,0.35), 0 -1px 0 rgba(255,255,255,0.06);
}
.nameplate-rule{display:block;width:64px;height:3px;background:var(--brass);margin:20px 0 16px;border-radius:2px}
.nameplate-caption{font-size:14.5px;color:rgba(243,233,210,0.78);max-width:34ch;line-height:1.55;margin:0}

.nameplate-facts{
  position:relative;z-index:1;
  list-style:none;margin:32px 0 0;padding:20px 0 0;
  border-top:1px solid rgba(217,174,92,0.25);
  display:flex;gap:36px;flex-wrap:wrap;
}
.nameplate-facts li{display:flex;flex-direction:column;gap:3px}
.fact-num{font-family:var(--font-mono);font-weight:600;font-size:19px;color:var(--brass-light)}
.fact-label{font-size:12px;color:rgba(243,233,210,0.65)}

/* ===== Ledger (signup) ===== */
.ledger{padding:8px 24px 80px}
.ledger-head{margin-bottom:26px}
.ledger-head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;max-width:56ch}
.ledger-head h2{font-family:var(--font-display);font-weight:600;font-size:29px;margin:0 0 8px}
.ledger-head p{color:var(--ink-soft);font-size:14.5px;line-height:1.6;margin:0;max-width:56ch}
.btn-close{
  display:flex;align-items:center;gap:6px;flex-shrink:0;
  background:transparent;border:1px solid var(--line);border-radius:7px;
  padding:7px 12px;font-family:var(--font-body);font-weight:500;font-size:13px;
  color:var(--ink-soft);cursor:pointer;
}
.btn-close:hover{background:var(--paper-2);color:var(--ink)}

.entry{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px 22px;margin-top:16px;
}
.entry legend{
  display:flex;align-items:center;gap:10px;padding:0 4px;
  font-family:var(--font-display);font-weight:600;font-size:16px;
}
.entry-num{
  font-family:var(--font-mono);font-size:12px;font-weight:600;color:#fff;
  background:var(--sage);padding:3px 7px;border-radius:5px;letter-spacing:0.04em;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.num-cars-label select{max-width:160px}

/* Vehicle plate signature element */
.plate-grid{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px}
.plate-field{display:flex}
.plate{
  display:flex;align-items:stretch;border:2px solid var(--ink);border-radius:6px;overflow:hidden;
  background:#fff;box-shadow:0 2px 6px rgba(22,51,46,0.12);
}
.plate-flag{
  background:var(--plate-blue);color:#fff;font-family:var(--font-mono);font-size:10px;font-weight:600;
  display:flex;align-items:center;justify-content:center;padding:0 7px;letter-spacing:0.05em;
}
.plate input{
  border:none;margin:0;border-radius:0;font-family:var(--font-mono);font-weight:600;
  letter-spacing:0.04em;text-transform:uppercase;min-width:190px;font-size:14px;
}
.plate input:focus-visible{outline-offset:-2px}

#formMsg{margin-top:16px;font-size:14px;min-height:20px}
#formMsg.msg-success{color:var(--success)}
#formMsg.msg-error{color:var(--danger)}
.btn-submit{max-width:280px}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);padding:22px 0;margin-top:20px}
.site-footer p{font-size:12.5px;color:var(--ink-soft);margin:0}

/* ===== Responsive ===== */
@media (max-width:900px){
  .gate-grid{grid-template-columns:1fr}
  .nameplate{order:-1;padding:28px}
  .field-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .shell{padding:0 16px}
  .gate{padding:32px 16px 48px}
  .nameplate-facts{gap:22px}
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
}