/* Taxi Sales — independent UK taxi-trade guide
   Bespoke theme: refined deep-blue (evolved from the original #0099FF) + taxi-amber accent.
   Signage-inspired Barlow typography. Content is always visible with CSS alone. */

:root{
  --ink:#0f1b2d;
  --blue:#0b63c4;
  --blue-dark:#084a95;
  --blue-tint:#eaf2fb;
  --amber:#f6a821;
  --amber-dark:#d98a00;
  --paper:#ffffff;
  --paper-alt:#f5f7fa;
  --line:#e3e8ef;
  --text:#26313f;
  --muted:#5b6875;
  --radius:10px;
  --maxw:1120px;
  --readw:780px;
  --shadow:0 1px 2px rgba(15,27,45,.06),0 8px 24px rgba(15,27,45,.07);
  --shadow-sm:0 1px 3px rgba(15,27,45,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Barlow",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--paper);
  font-size:18px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-dark);text-decoration:none}
a:hover{text-decoration:underline}

h1,h2,h3,h4{
  font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;
  color:var(--ink);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:700;
  letter-spacing:.2px;
}
h1{font-size:2.5rem}
h2{font-size:1.7rem;margin-top:1.8em}
h3{font-size:1.25rem;margin-top:1.4em;color:var(--blue-dark)}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin:.35em 0}
strong{color:var(--ink)}

/* Safeguard: never let content depend on JS to become visible */
[data-aos]{opacity:1 !important;transform:none !important;}

/* ---------- Layout helpers ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:var(--readw);margin:0 auto}
.skip-link{position:absolute;left:-999px;top:auto}
.skip-link:focus{left:16px;top:12px;background:var(--amber);color:var(--ink);padding:8px 14px;border-radius:6px;z-index:200}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(6px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-family:"Barlow Semi Condensed",sans-serif;font-weight:700;font-size:1.5rem;color:var(--ink);letter-spacing:.5px;text-transform:uppercase}
.brand:hover{text-decoration:none}
.brand .lamp{width:15px;height:15px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffd479,var(--amber) 60%,var(--amber-dark));box-shadow:0 0 10px rgba(246,168,33,.7);flex:0 0 auto}
.brand span.b2{color:var(--blue)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:7px 10px;cursor:pointer;color:var(--ink)}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0}
.main-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center}
.main-nav a{display:inline-block;padding:8px 12px;color:var(--ink);font-weight:500;border-radius:7px;font-size:.98rem}
.main-nav a:hover{background:var(--blue-tint);color:var(--blue-dark);text-decoration:none}
.main-nav a.active{color:var(--blue-dark)}
.main-nav a.active::after{content:"";display:block;height:3px;background:var(--amber);border-radius:3px;margin-top:3px}
/* checker accent strip under header */
.checker{height:5px;background:
  repeating-linear-gradient(45deg,var(--ink) 0 10px,#ffffff 10px 20px);
  opacity:.85;border-bottom:2px solid var(--amber)}

/* ---------- Hero (home) ---------- */
.hero{position:relative;color:#fff;background:var(--ink)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:96px 22px 84px}
.hero h1{color:#fff;font-size:3.1rem;max-width:16ch;text-shadow:0 2px 18px rgba(0,0,0,.4)}
.hero .lede{font-size:1.3rem;max-width:52ch;color:#eef3f9;text-shadow:0 1px 10px rgba(0,0,0,.35)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn{display:inline-block;font-family:"Barlow Semi Condensed",sans-serif;font-weight:600;letter-spacing:.4px;padding:13px 24px;border-radius:8px;font-size:1.05rem;cursor:pointer;border:2px solid transparent;transition:transform .12s ease,box-shadow .12s ease}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:0 6px 18px rgba(246,168,33,.35)}
.btn-primary:hover{background:var(--amber-dark)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- Page header band (inner pages) ---------- */
.page-head{background:linear-gradient(180deg,var(--blue-tint),#fff);border-bottom:1px solid var(--line)}
.page-head-inner{max-width:var(--maxw);margin:0 auto;padding:44px 22px 30px}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:10px}
.crumbs a{color:var(--muted)}
.page-head h1{margin:0;font-size:2.6rem}

/* ---------- Main content ---------- */
main{padding:46px 0 20px}
.prose{font-size:1.06rem}
.prose h2{border-left:4px solid var(--amber);padding-left:14px}
.prose img{border-radius:var(--radius);box-shadow:var(--shadow);margin:1.4em 0}
.figure{margin:1.6em 0}
.figure figcaption{font-size:.9rem;color:var(--muted);margin-top:.5em;text-align:center}
.callout{background:var(--paper-alt);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);padding:18px 20px;margin:1.6em 0;font-size:1rem}
.callout strong{color:var(--blue-dark)}

/* ---------- Home sections ---------- */
.section{padding:20px 0 8px}
.section-alt{background:var(--paper-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:52px 0}
.section h2{text-align:center;margin-top:0}
.section .sub{text-align:center;color:var(--muted);max-width:60ch;margin:0 auto 34px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--amber);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .14s ease,box-shadow .14s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card h3{margin-top:0;color:var(--ink)}
.card p{color:var(--muted);font-size:.98rem;margin-bottom:.6em}
.card .more{font-family:"Barlow Semi Condensed",sans-serif;font-weight:600;color:var(--blue-dark)}
.card .tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--amber-dark);background:#fff6e6;border-radius:20px;padding:3px 10px;margin-bottom:10px}

/* ---------- Contact form ---------- */
.contact-form{display:flex;flex-direction:column;gap:6px;max-width:560px;margin:1.4em 0}
.contact-form label{font-weight:600;color:var(--ink);font-size:.95rem;margin-top:10px}
.contact-form input,.contact-form textarea{font-family:inherit;font-size:1rem;padding:11px 13px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-tint)}
.contact-form button{align-self:flex-start;margin-top:16px;background:var(--blue);color:#fff;border:none;padding:12px 26px;border-radius:8px;font-family:"Barlow Semi Condensed",sans-serif;font-weight:600;font-size:1.05rem;letter-spacing:.4px;cursor:pointer;transition:background .12s ease}
.contact-form button:hover{background:var(--blue-dark)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#c7d2df;margin-top:56px;padding:52px 0 26px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.site-footer h4{color:#fff;font-size:1.05rem;letter-spacing:.5px;text-transform:uppercase;margin:0 0 14px}
.site-footer a{color:#c7d2df}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:.4em 0}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:"Barlow Semi Condensed",sans-serif;font-weight:700;font-size:1.5rem;color:#fff;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}
.footer-brand .lamp{width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffd479,var(--amber) 60%,var(--amber-dark))}
.footer-note{color:#8fa0b3;font-size:.9rem;max-width:40ch}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;color:#8fa0b3;font-size:.88rem}

/* ---------- 404 ---------- */
.err-wrap{max-width:640px;margin:0 auto;text-align:center;padding:80px 22px}
.err-wrap .code{font-family:"Barlow Semi Condensed",sans-serif;font-size:6rem;font-weight:700;color:var(--amber);line-height:1}

/* ---------- CSS-only entrance (progressive; ends visible) ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.reveal{animation:fadeUp .5s ease both}
@media (prefers-reduced-motion:reduce){.reveal{animation:none}}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:17px}
  h1{font-size:2.05rem}
  .hero h1{font-size:2.3rem}
  .hero .lede{font-size:1.12rem}
  .page-head h1{font-size:2.05rem}
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;padding:8px 12px;gap:2px}
  .main-nav a{padding:11px 12px}
  .main-nav a.active::after{display:none}
  .footer-grid{grid-template-columns:1fr}
  .hero-inner{padding:64px 22px 56px}
}