/* ============================================================================
   CarDB.ca — Design System (rebuild 2026)
   Identity: Midnight graphite-blue + electric amber. Engineered, sporty, trust.
   Architecture mirrors okz (token-driven), palette/personality is cardb's own.
   ============================================================================ */

:root {
  /* ---- Brand: Midnight graphite-blue (primary) ---- */
  --p-900:#0B1422; --p-800:#101B2E; --p-700:#16233A; --p-600:#1E3050;
  --p-500:#274068; --p-400:#3C5680; --p-300:#6E84A6; --p-200:#A9B8CE; --p-100:#DCE3EE; --p-50:#F2F5FA;

  /* ---- Accent: Electric amber (CTA / energy) ---- */
  --a-700:#C75E00; --a-600:#E66E00; --a-500:#FF7A00; --a-400:#FF9533; --a-300:#FFB266; --a-50:#FFF3E6;

  /* ---- Secondary: Steel blue (links / info) ---- */
  --s-600:#1E54C2; --s-500:#2E6BE6; --s-400:#5B8BEC; --s-50:#EAF1FE;

  /* ---- Semantic ---- */
  --ok-500:#10B981; --ok-50:#E7F8F1;
  --warn-500:#F59E0B; --err-500:#E5484D; --err-50:#FDECEC;

  /* ---- Neutrals ---- */
  --n-0:#FFFFFF; --n-25:#FBFCFE; --n-50:#F5F7FA; --n-100:#EDF0F5; --n-200:#DCE1EA;
  --n-300:#C2C9D6; --n-400:#97A1B2; --n-500:#6B7585; --n-600:#4B5563; --n-700:#333B47; --n-900:#141A22;

  --bg:var(--n-25); --surface:#fff; --text:var(--n-900); --muted:var(--n-500); --border:var(--n-200);

  /* ---- Type ---- */
  --font-head:'Sora',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;

  /* ---- Spacing (8px grid) ---- */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:20px; --sp-6:24px; --sp-8:32px; --sp-10:40px; --sp-12:48px; --sp-16:64px;

  /* ---- Radius (tighter / engineered) ---- */
  --r-sm:6px; --r-md:8px; --r-lg:12px; --r-xl:16px; --r-pill:999px;

  /* ---- Shadow ---- */
  --sh-sm:0 1px 2px rgba(16,27,46,.06),0 1px 3px rgba(16,27,46,.08);
  --sh-md:0 4px 12px rgba(16,27,46,.08);
  --sh-lg:0 12px 28px rgba(16,27,46,.12);
  --sh-amber:0 6px 18px rgba(255,122,0,.32);

  --t-fast:140ms ease; --t:220ms ease;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.55;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.18;letter-spacing:-.02em;margin:0 0 var(--sp-3)}
a{color:var(--s-500);text-decoration:none}
a:hover{color:var(--s-600)}
img{max-width:100%;display:block}
button{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--sp-5)}
.clearfix::after{content:"";display:table;clear:both}
.muted{color:var(--muted)}
.section{padding:var(--sp-12) 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--sp-6);gap:var(--sp-4)}
.section-head h2{font-size:1.7rem;margin:0}
.section-head a{font-weight:600;font-size:.92rem}

/* ---- Buttons ---------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;gap:var(--sp-2);font-weight:600;font-size:.95rem;
  padding:11px 20px;border-radius:var(--r-md);border:1.5px solid transparent;cursor:pointer;transition:var(--t);white-space:nowrap}
.btn-primary{background:var(--a-500);color:#fff;box-shadow:var(--sh-amber)}
.btn-primary:hover{background:var(--a-600);color:#fff;transform:translateY(-1px)}
.btn-dark{background:var(--p-700);color:#fff}
.btn-dark:hover{background:var(--p-600);color:#fff}
.btn-ghost{background:transparent;color:var(--p-700);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--p-300);background:var(--n-50)}
.btn-block{width:100%;justify-content:center}
.btn-lg{padding:14px 26px;font-size:1.02rem}

/* ---- Badges / chips --------------------------------------------------- */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.03em;padding:4px 9px;border-radius:var(--r-sm)}
.badge-featured{background:var(--warn-500);color:#3a2a00}
.badge-sale{background:rgba(16,27,46,.72);color:#fff;backdrop-filter:blur(4px)}
.badge-verified{background:var(--ok-50);color:var(--ok-500)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--border);font-size:.88rem;font-weight:500;color:var(--p-700);transition:var(--t)}
.chip:hover{border-color:var(--a-400);color:var(--p-700);box-shadow:var(--sh-sm)}
.chip .muted{color:var(--muted)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}

/* ============================ HEADER ================================== */
.site-header{position:sticky;top:0;z-index:50;background:var(--p-700);color:#fff;
  box-shadow:0 1px 0 rgba(255,255,255,.06),var(--sh-md)}
.header-row{display:flex;align-items:center;gap:var(--sp-5);height:66px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--font-head);font-weight:800;font-size:1.35rem;color:#fff;letter-spacing:-.03em}
.brand .mark{display:inline-flex;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--a-500),var(--a-600));
  align-items:center;justify-content:center;box-shadow:var(--sh-amber)}
.brand .mark svg{width:20px;height:20px;stroke:#fff}
.brand b{color:var(--a-400)}
.header-search{flex:1;max-width:560px;position:relative}
.header-search input{width:100%;height:42px;border:0;border-radius:var(--r-pill);padding:0 44px 0 18px;
  background:rgba(255,255,255,.12);color:#fff;font-size:.95rem;transition:var(--t)}
.header-search input::placeholder{color:rgba(255,255,255,.6)}
.header-search input:focus{outline:none;background:#fff;color:var(--text)}
.header-search button{position:absolute;right:6px;top:6px;width:30px;height:30px;border:0;border-radius:50%;
  background:var(--a-500);color:#fff;cursor:pointer}
.header-actions{display:flex;align-items:center;gap:var(--sp-3);margin-left:auto}
.header-icon{position:relative;width:40px;height:40px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;color:#fff;background:rgba(255,255,255,.08)}
.header-icon:hover{background:rgba(255,255,255,.16);color:#fff}
.header-icon .dot{position:absolute;top:6px;right:7px;width:8px;height:8px;border-radius:50%;background:var(--a-500);border:2px solid var(--p-700)}
.link-light{color:rgba(255,255,255,.85);font-weight:600;font-size:.92rem}
.link-light:hover{color:#fff}
.user-menu{position:relative}
.user-menu>button{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:0;color:#fff;
  padding:6px 12px 6px 6px;border-radius:var(--r-pill);cursor:pointer;font-weight:600}
.user-menu .avatar{width:30px;height:30px;border-radius:50%;background:var(--a-500);display:flex;align-items:center;justify-content:center;font-size:.8rem;color:#fff;text-transform:uppercase}
.user-menu .dropdown{position:absolute;right:0;top:calc(100% + 8px);background:#fff;color:var(--text);border-radius:var(--r-lg);
  box-shadow:var(--sh-lg);min-width:210px;padding:8px;display:none}
.user-menu.open .dropdown{display:block}
.user-menu .dropdown a{display:flex;gap:10px;padding:10px 12px;border-radius:var(--r-md);color:var(--n-700);font-weight:500;font-size:.92rem}
.user-menu .dropdown a:hover{background:var(--n-50)}
.menu-toggle{display:none;background:none;border:0;color:#fff;cursor:pointer}

/* ============================ HERO =================================== */
.hero{position:relative;color:#fff;padding:var(--sp-16) 0 var(--sp-12);overflow:hidden;background:var(--p-800)}
/* real photo layer */
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(11,20,34,.94) 0%,rgba(16,27,46,.82) 42%,rgba(30,48,80,.55) 100%),
  var(--hero-img,url("https://images.cardb.ca/home-parallax.jpg"));
  background-size:cover;background-position:center;pointer-events:none}
/* subtle grid texture over the photo */
.hero::after{content:"";position:absolute;inset:0;background:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 59h60M59 0v60' stroke='%23ffffff' stroke-opacity='.05' fill='none'/%3E%3C/svg%3E");pointer-events:none}
.hero-inner{position:relative;z-index:1;max-width:760px}
.hero .badge-live{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);padding:6px 14px;border-radius:var(--r-pill);font-size:.85rem;font-weight:600;margin-bottom:var(--sp-5)}
.hero .badge-live .pulse{width:8px;height:8px;border-radius:50%;background:var(--ok-500);box-shadow:0 0 0 0 rgba(16,185,129,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
.hero h1{font-size:clamp(2rem,5vw,3.3rem);margin-bottom:var(--sp-3)}
.hero h1 .em{color:var(--a-400)}
.hero p.sub{font-size:1.1rem;color:rgba(255,255,255,.72);max-width:520px;margin:0 0 var(--sp-8)}

/* Hero search bar */
.hero-search{display:flex;gap:8px;background:#fff;border-radius:var(--r-pill);padding:8px;box-shadow:var(--sh-lg);max-width:680px}
.hero-search .field{flex:1;display:flex;align-items:center;gap:8px;padding:0 14px;min-width:0}
.hero-search .field+.field{border-left:1px solid var(--border)}
.hero-search select,.hero-search input{border:0;outline:none;width:100%;height:46px;font-size:.97rem;color:var(--text);background:transparent}
.hero-search .btn{border-radius:var(--r-pill)}
.hero-tags{margin-top:var(--sp-5);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.hero-tags span{color:rgba(255,255,255,.6);font-size:.85rem;margin-right:4px}
.hero-tags a{background:rgba(255,255,255,.1);color:#fff;padding:5px 12px;border-radius:var(--r-pill);font-size:.85rem}
.hero-tags a:hover{background:rgba(255,255,255,.2);color:#fff}

/* ---- Trust strip ---- */
.trust-strip{background:var(--p-800);color:rgba(255,255,255,.85)}
.trust-strip .container{display:flex;flex-wrap:wrap;gap:var(--sp-8);justify-content:center;padding:var(--sp-4) var(--sp-5)}
.trust-strip .it{display:flex;align-items:center;gap:9px;font-size:.9rem;font-weight:500}
.trust-strip .it b{color:#fff;font-family:var(--font-head)}

/* ============================ CATEGORY GRID ========================== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--sp-4)}
.cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--sp-5);
  text-align:center;transition:var(--t);display:block;color:var(--text)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:var(--p-200);color:var(--text)}
.cat-card .ic{width:54px;height:54px;border-radius:var(--r-md);margin:0 auto var(--sp-3);display:flex;align-items:center;justify-content:center;
  background:var(--p-50);color:var(--p-600)}
.cat-card .ic svg{width:26px;height:26px;stroke:currentColor;stroke-width:1.8;fill:none}
.cat-card .nm{font-weight:600;font-size:.95rem}
.cat-card .ct{color:var(--muted);font-size:.8rem;margin-top:2px}

/* ============================ LISTING CARDS ========================== */
.listings{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:var(--sp-5)}
.car-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:var(--t);display:flex;flex-direction:column}
.car-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:var(--p-200)}
.car-card .media{position:relative;aspect-ratio:4/3;background:var(--n-100);overflow:hidden}
.car-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.car-card:hover .media img{transform:scale(1.05)}
.car-card .media .top{position:absolute;top:8px;left:8px;right:8px;display:flex;justify-content:space-between;align-items:flex-start}
.car-card .save{width:34px;height:34px;border-radius:50%;border:0;cursor:pointer;background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);transition:var(--t)}
.car-card .save:hover{transform:scale(1.1)}
.car-card .save svg{width:17px;height:17px;stroke:var(--n-600);fill:none;stroke-width:2}
.car-card .save.on svg{fill:var(--a-500);stroke:var(--a-500)}
.car-card .photos{position:absolute;bottom:8px;right:8px;background:rgba(16,27,46,.65);color:#fff;font-size:.74rem;font-weight:600;
  padding:3px 8px;border-radius:var(--r-sm);backdrop-filter:blur(4px);display:flex;gap:4px;align-items:center}
.car-card .body{padding:var(--sp-4);display:flex;flex-direction:column;gap:6px;flex:1}
.car-card .price{font-family:var(--font-head);font-weight:700;font-size:1.22rem;color:var(--p-700)}
.car-card .title{font-weight:600;font-size:.97rem;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.35;min-height:2.7em}
.car-card .specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.car-card .specs .s{font-size:.76rem;color:var(--n-600);background:var(--n-50);border:1px solid var(--border);padding:2px 8px;border-radius:var(--r-sm)}
.car-card .meta{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:.82rem;margin-top:auto;padding-top:6px}
.car-card .meta svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* ============================ BREADCRUMBS / PAGINATION =============== */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.85rem;color:var(--muted);padding:var(--sp-4) 0}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--p-600)}
.crumbs li{list-style:none}.crumbs ul{display:flex;gap:8px;flex-wrap:wrap;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--n-300)}
.pagination{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-top:var(--sp-10)}
.pagination a,.pagination span{min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);border:1px solid var(--border);background:#fff;color:var(--p-700);font-weight:600;padding:0 12px}
.pagination a:hover{border-color:var(--p-300)}
.pagination .current{background:var(--p-700);color:#fff;border-color:var(--p-700)}

/* ============================ FORMS / FILTERS ======================== */
.field-label{font-weight:600;font-size:.85rem;margin-bottom:6px;display:block;color:var(--n-700)}
.input,select.input,textarea.input{width:100%;border:1.5px solid var(--border);border-radius:var(--r-md);padding:11px 14px;font-size:.95rem;background:#fff;transition:var(--t)}
.input:focus{outline:none;border-color:var(--s-400);box-shadow:0 0 0 3px var(--s-50)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--sp-6)}

/* ============================ FOOTER ================================= */
.site-footer{background:var(--p-900);color:rgba(255,255,255,.7);border-top:3px solid var(--a-500);margin-top:var(--sp-16)}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:var(--sp-8);padding:var(--sp-12) 0}
.footer-grid h4{color:#fff;font-size:.95rem;margin-bottom:var(--sp-4)}
.footer-grid a{display:block;color:rgba(255,255,255,.65);padding:5px 0;font-size:.9rem}
.footer-grid a:hover{color:var(--a-400)}
.footer-brand p{font-size:.9rem;max-width:280px;margin:var(--sp-3) 0}
.footer-social{display:flex;gap:10px;margin-top:var(--sp-4)}
.footer-social a{width:36px;height:36px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;padding:0}
.footer-social a:hover{border-color:var(--a-400);color:var(--a-400)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:var(--sp-5) 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:var(--sp-3);font-size:.82rem}

/* ============================ MOBILE BOTTOM NAV ====================== */
.bottom-nav{display:none}

@media(max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .header-search{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .link-light,.header-actions .btn-ghost{display:none}
}
@media(max-width:640px){
  .hero-search{flex-direction:column;border-radius:var(--r-xl)}
  .hero-search .field+.field{border-left:0;border-top:1px solid var(--border)}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:var(--sp-10) 0}
  .listings{grid-template-columns:repeat(2,1fr);gap:var(--sp-3)}
  body{padding-bottom:68px}
  .bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;height:64px;background:#fff;
    border-top:1px solid var(--border);justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom)}
  .bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--n-500);font-size:.68rem;font-weight:600;flex:1}
  .bottom-nav a.active{color:var(--p-700)}
  .bottom-nav a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2}
  .bottom-nav .post{margin-top:-22px;width:54px;height:54px;border-radius:50%;background:var(--a-500);color:#fff;
    box-shadow:var(--sh-amber);border:4px solid #fff;justify-content:center;flex:none}
  .bottom-nav .post svg{width:24px;height:24px;stroke:#fff}
}