/* Art direction: rugged industrial dark marketplace
   Palette: black + dark slate + teal accent + amber state
   Typography: Rajdhani display + Inter body
   Density: balanced, web-app oriented */
:root,[data-theme="light"]{
  --text-xs:.78rem; --text-sm:.92rem; --text-base:1rem; --text-lg:1.25rem; --text-xl:2rem;
  --space-1:.25rem; --space-2:.5rem; --space-3:.75rem; --space-4:1rem; --space-5:1.25rem; --space-6:1.5rem; --space-8:2rem; --space-10:2.5rem; --space-12:3rem; --space-16:4rem;
  --font-body:'Inter',sans-serif; --font-display:'Rajdhani',sans-serif;
  --color-bg:#f3f6f7; --color-surface:#ffffff; --color-surface-2:#edf3f5; --color-surface-3:#dfe8eb; --color-card:#ffffff;
  --color-text:#0f1720; --color-muted:#50606f; --color-faint:#7c8b98; --color-border:rgba(15,23,32,.12); --color-divider:rgba(15,23,32,.08);
  --color-primary:#1abeb7; --color-primary-strong:#0ea29c; --color-primary-dim:rgba(26,190,183,.12); --color-primary-glow:rgba(26,190,183,.2);
  --color-amber:#d97706; --color-amber-dim:rgba(217,119,6,.14); --color-success:#22c55e; --color-success-dim:rgba(34,197,94,.14); --color-error:#ef4444;
  --radius-sm:.5rem; --radius-md:.8rem; --radius-lg:1rem; --radius-xl:1.25rem; --header-h:78px; --t:180ms cubic-bezier(.16,1,.3,1);
}
[data-theme="dark"]{
  --color-bg:#000000; --color-surface:#0b1016; --color-surface-2:#111827; --color-surface-3:#1e293b; --color-card:#0f1724;
  --color-text:#f8fafc; --color-muted:#b7c2cf; --color-faint:#8391a2; --color-border:rgba(255,255,255,.10); --color-divider:rgba(255,255,255,.08);
  --color-primary:#1abeb7; --color-primary-strong:#0fc2b6; --color-primary-dim:rgba(26,190,183,.12); --color-primary-glow:rgba(26,190,183,.15);
  --color-amber:#d97706; --color-amber-dim:rgba(217,119,6,.16); --color-success:#22c55e; --color-success-dim:rgba(34,197,94,.16); --color-error:#f87171;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:var(--font-body);background:var(--color-bg);color:var(--color-text);line-height:1.6} img{max-width:100%;display:block} a{text-decoration:none;color:inherit;transition:all var(--t)} button,input,select,textarea{font:inherit} .no-scroll{overflow:hidden}
.container{width:min(1200px,calc(100% - 2rem));margin-inline:auto}.narrow{width:min(760px,100%)} .page-main{padding-top:var(--header-h)} .section{padding:var(--space-12) 0}.section-tight{padding:var(--space-8) 0}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;background:var(--color-primary);color:#001;padding:.5rem .75rem;z-index:1000;border-radius:.5rem}
.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:50;background:color-mix(in srgb,var(--color-bg) 86%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-divider)}
.header-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{display:flex;align-items:center;gap:.85rem;min-width:0}.brand-mark{width:2.2rem;height:2.2rem;color:var(--color-primary)}.brand strong{display:block;font:700 1rem var(--font-display);letter-spacing:.03em}.brand small{display:block;font-size:.72rem;color:var(--color-muted)}
.desktop-nav{display:flex;gap:1rem}.desktop-nav a{padding:.6rem .85rem;border-radius:.75rem;color:var(--color-muted)}.desktop-nav a.active,.desktop-nav a:hover{color:var(--color-text);background:var(--color-primary-dim)}
.header-actions{display:flex;align-items:center;gap:.65rem}.mobile-toggle{display:none}.theme-toggle,.mobile-toggle{width:42px;height:42px;border:1px solid var(--color-border);border-radius:.8rem;background:var(--color-surface);color:var(--color-text)}.user-chip{font-size:.8rem;color:var(--color-muted)}
.mobile-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--color-surface);border-bottom:1px solid var(--color-divider);padding:.5rem 1rem 1rem}.mobile-nav.open{display:grid}.mobile-nav a{padding:.8rem 0;border-bottom:1px solid var(--color-divider)}
.hero{position:relative;min-height:78vh;display:grid;align-items:center;overflow:hidden}.hero-media{position:absolute;inset:0}.hero-media img{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.84),rgba(0,0,0,.62),rgba(26,190,183,.12))}.hero-content{position:relative;z-index:1;padding-block:6rem}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:.4rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--color-primary);background:var(--color-primary-dim);padding:.4rem .7rem;border-radius:999px;margin-bottom:1rem}.hero h1{font-family:var(--font-display);font-size:clamp(2.6rem,6vw,5.2rem);line-height:.95;letter-spacing:.02em;max-width:12ch;margin:0 0 1rem}.hero p{color:var(--color-muted);max-width:60ch;margin:0 0 1.5rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem}.hero-foundation{margin-top:1rem;color:#fff;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.8rem 1.05rem;border-radius:.95rem;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);min-height:44px}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#031214;font-weight:700}.btn-amber{background:var(--color-amber);border-color:var(--color-amber);color:#140b02;font-weight:700}.btn-ghost{background:transparent}.btn-sm{padding:.58rem .8rem;font-size:.82rem}.btn-lg{padding:.95rem 1.2rem}.full{width:100%}
.trust-section{padding:0 0 var(--space-8)}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:-2rem;position:relative;z-index:2}.trust-card,.panel,.listing-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:0 10px 30px rgba(0,0,0,.12)}.trust-card{padding:1.4rem}.trust-card i{font-size:1.3rem;color:var(--color-primary)}.trust-card h3{margin:.7rem 0 .25rem;font-size:1rem}.trust-card p{margin:0;color:var(--color-muted);font-size:.92rem}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1.4rem}.section-head.left-only{justify-content:flex-start}.section-head.compact{margin-bottom:0}.section-head h1,.section-head h2{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);margin:.2rem 0}.section-head p{color:var(--color-muted);margin:0}
.listing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.market-grid{grid-template-columns:repeat(3,1fr)}.listing-image{aspect-ratio:4/3;object-fit:cover;border-top-left-radius:var(--radius-xl);border-top-right-radius:var(--radius-xl)}.listing-body{padding:1rem}.listing-meta-top{display:flex;justify-content:space-between;gap:.6rem;align-items:start}.listing-meta-top h3{margin:0;font-size:1rem}.muted{color:var(--color-muted);margin:.3rem 0}.tiny{font-size:.82rem;color:var(--color-faint);margin:.3rem 0}.listing-bottom{margin-top:.9rem;display:flex;justify-content:space-between;align-items:center}.listing-bottom strong{font-size:1.15rem;color:var(--color-primary)}.listing-bottom span{font-size:.82rem;color:var(--color-faint)}
.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.32rem .6rem;border-radius:999px;font-size:.72rem;font-weight:700;border:1px solid transparent}.badge-green{background:var(--color-success-dim);color:var(--color-success);border-color:rgba(34,197,94,.25)}.badge-amber{background:var(--color-amber-dim);color:var(--color-amber);border-color:rgba(217,119,6,.25)}
.form-stack{display:grid;gap:1rem}.two-col,.role-grid,.market-layout,.product-layout,.dashboard-layout{display:grid;gap:1rem}.two-col{grid-template-columns:repeat(2,1fr)}.role-grid{grid-template-columns:repeat(2,1fr)}.role-option{border:1px solid var(--color-border);padding:1rem;border-radius:1rem;background:var(--color-surface-2);cursor:pointer}.role-option input{display:none}.role-option.selected{border-color:var(--color-primary);background:var(--color-primary-dim)}
.input{width:100%;padding:.86rem 1rem;border-radius:.9rem;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text)} label{display:block;margin-bottom:.45rem;font-size:.85rem;font-weight:600;color:var(--color-muted)} .seller-fields{display:none}.seller-fields.show{display:block}
.alert{padding:.85rem 1rem;border-radius:.9rem;font-size:.9rem}.alert-success{background:var(--color-success-dim);color:var(--color-success)}.alert-error{background:rgba(239,68,68,.12);color:var(--color-error)}
.market-layout{grid-template-columns:280px 1fr;align-items:start}.filters{position:sticky;top:calc(var(--header-h) + 1rem)}.filters h3{font-size:.9rem;margin:0 0 .6rem}.check-row{display:flex;gap:.55rem;align-items:center;margin:.45rem 0;color:var(--color-muted)}.filter-box{padding:.8rem 1rem;border:1px dashed var(--color-border);border-radius:.9rem;color:var(--color-faint)}
.product-layout{grid-template-columns:1.5fr .8fr;align-items:start}.product-image{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-xl);border:1px solid var(--color-border);margin-bottom:1rem}.sticky-side{position:sticky;top:calc(var(--header-h) + 1rem)}.composition-panel h3,.dashboard-main h2{margin-top:0}.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}.spec-card{padding:1rem;border-radius:1rem;background:var(--color-surface-2);border:1px solid var(--color-border)}.spec-card span{display:block;font-size:.78rem;color:var(--color-faint)}.spec-card strong{display:block;margin-top:.25rem;font-size:1.05rem;color:var(--color-primary)}.download-row{margin-top:1rem}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;padding:1rem;z-index:70}.modal-backdrop.open{display:flex}.modal{width:min(520px,100%);background:var(--color-card);border:1px solid var(--color-border);border-radius:1.2rem;overflow:hidden}.modal-header,.modal-footer{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.1rem;border-bottom:1px solid var(--color-divider)}.modal-footer{border-bottom:0;border-top:1px solid var(--color-divider)}.modal-body{padding:1rem 1.1rem}.modal-close{border:0;background:transparent;color:var(--color-text);font-size:1.6rem}
.dashboard-layout{grid-template-columns:280px 1fr}.dashboard-sidebar{position:sticky;top:calc(var(--header-h) + 1rem);height:fit-content}.dash-nav{display:grid;gap:.35rem;margin-top:1rem}.dash-nav a{padding:.75rem .85rem;border-radius:.85rem;color:var(--color-muted)}.dash-nav a:hover{background:var(--color-primary-dim);color:var(--color-text)}.dashboard-main{display:grid;gap:1rem}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:.85rem .75rem;border-bottom:1px solid var(--color-divider);text-align:left;font-size:.92rem}.actions-cell{display:flex;gap:.45rem;flex-wrap:wrap}
.site-footer{margin-top:2rem;padding:2rem 0;border-top:1px solid var(--color-divider);background:var(--color-surface)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:1rem}.site-footer h3,.site-footer h4{margin-top:0}.site-footer p,.site-footer li,.site-footer a{color:var(--color-muted);font-size:.92rem}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}.footer-bottom{display:flex;justify-content:space-between;gap:1rem;padding-top:1rem;margin-top:1rem;border-top:1px solid var(--color-divider);color:var(--color-faint);font-size:.82rem}.footer-meta{font-size:.82rem;color:var(--color-faint)}
@media (max-width: 1024px){.listing-grid,.market-grid,.trust-grid,.footer-grid,.dashboard-layout,.product-layout,.market-layout{grid-template-columns:1fr 1fr}.desktop-nav{display:none}.mobile-toggle{display:inline-flex;align-items:center;justify-content:center}}
@media (max-width: 720px){.hero h1{max-width:14ch}.listing-grid,.market-grid,.trust-grid,.two-col,.role-grid,.footer-grid,.dashboard-layout,.product-layout,.market-layout{grid-template-columns:1fr}.header-wrap{gap:.5rem}.brand small{display:none}.user-chip{display:none}.section-head{align-items:start;flex-direction:column}.filters,.sticky-side,.dashboard-sidebar{position:static}.footer-bottom{flex-direction:column}.btn{width:auto}.hero-actions{flex-direction:column;align-items:start}}