/* ============ BID & DROP — BLUE/WHITE ============ */
.bd *{box-sizing:border-box;margin:0;padding:0}
.bd{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,sans-serif;color:#0f1b2d;line-height:1.5}
.bd a{text-decoration:none}
.bd-wrap{max-width:1180px;margin:0 auto;padding:0 20px}

:root{--blue:#2563eb;--blue2:#1d4ed8;--sky:#38bdf8;--ink:#0f1b2d;--soft:#f4f7fc;--line:#e4ebf5}

/* HERO */
.bd-hero{background:radial-gradient(120% 120% at 80% 0%,#eaf2ff 0%,#f6f9ff 55%,#ffffff 100%);padding:80px 20px 80px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.bd-hero:before{content:'';position:absolute;top:-20%;right:-5%;width:480px;height:480px;background:radial-gradient(circle,rgba(37,99,235,.14),transparent 65%);filter:blur(40px)}
.bd-hero:after{content:'';position:absolute;bottom:-30%;left:-10%;width:420px;height:420px;background:radial-gradient(circle,rgba(56,189,248,.14),transparent 65%);filter:blur(40px)}
.bd-hi{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center}
.bd-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--blue);border:1px solid var(--line);padding:7px 18px;border-radius:30px;font-size:12px;font-weight:800;letter-spacing:2px;margin-bottom:24px;box-shadow:0 4px 14px rgba(37,99,235,.08)}
.bd-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:bdpulse 1.6s infinite}
@keyframes bdpulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.6)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.bd-hero h1{font-size:60px;font-weight:900;line-height:1.03;margin-bottom:20px;letter-spacing:-2.5px;color:var(--ink)}
.bd-hero h1 span{background:linear-gradient(90deg,var(--blue),var(--sky));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.bd-hero p{font-size:19px;color:#5a6b85;max-width:540px;margin:0 auto 34px}
.bd-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.bd-btn{display:inline-block;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff!important;padding:15px 32px;border:0;border-radius:13px;font-weight:800;font-size:16px;cursor:pointer;transition:.18s;box-shadow:0 8px 22px rgba(37,99,235,.28)}
.bd-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,99,235,.38)}
.bd-btn.ghost{background:#fff!important;color:var(--blue)!important;border:1px solid var(--line);box-shadow:none}
.bd-btn.ghost2{background:#fff!important;color:#5a6b85!important;border:1px solid var(--line);box-shadow:none}
.bd-btn.white{background:#fff!important;color:var(--blue)!important;box-shadow:none}
.bd-btn.sm{padding:10px 18px;font-size:14px}
.bd-trust{display:flex;gap:40px;justify-content:center;margin-top:48px;flex-wrap:wrap}
.bd-tr b{display:block;font-size:30px;font-weight:900;color:var(--blue)}
.bd-tr span{font-size:12px;color:#8a99b3;text-transform:uppercase;letter-spacing:1.5px}

/* SECTION */
.bd-sec{padding:60px 0}
.bd-sec.alt{background:var(--soft)}
.bd-shead{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:30px;flex-wrap:wrap;gap:12px}
.bd-shead.center{justify-content:center;text-align:center}
.bd-shead h2{font-size:32px;font-weight:900;letter-spacing:-1px}
.bd-shead .sub{color:#8a99b3;font-size:15px;margin-top:4px}
.bd-viewall{color:var(--blue);font-weight:800;font-size:15px}

/* GRID */
.bd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.bd-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.2s;display:block;color:inherit}
.bd-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(37,99,235,.12);border-color:#bcd4ff}
.bd-thumb{aspect-ratio:1/1;position:relative;background-size:cover;background-position:center;background-color:#eef3fb}
.bd-live{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:6px;background:rgba(15,27,45,.82);color:#fff;padding:5px 11px;border-radius:20px;font-size:11px;font-weight:800;letter-spacing:.5px}
.bd-live.off{background:rgba(100,116,139,.85)}
.bd-live .bd-dot{width:6px;height:6px}
.bd-tl{position:absolute;bottom:12px;right:12px;background:rgba(15,27,45,.82);color:#fff;padding:5px 11px;border-radius:20px;font-size:12px;font-weight:800;font-variant-numeric:tabular-nums}
.bd-tl.urgent{background:rgba(239,68,68,.92)}
.bd-cb{padding:16px}
.bd-cat{font-size:11px;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:1px}
.bd-cb h3{font-size:15px;font-weight:700;margin:6px 0 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bd-prow{display:flex;justify-content:space-between;align-items:flex-end}
.bd-plbl{font-size:11px;color:#9aa8c0;text-transform:uppercase;letter-spacing:.5px}
.bd-price{font-size:22px;font-weight:900;color:var(--ink)}
.bd-bids{font-size:12px;color:#9aa8c0;font-weight:600}

/* STEPS */
.bd-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bd-step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 28px;text-align:center}
.bd-stepn{width:56px;height:56px;line-height:56px;margin:0 auto 18px;background:linear-gradient(135deg,var(--blue),var(--sky));color:#fff;border-radius:16px;font-size:24px;font-weight:900}
.bd-step h3{font-size:19px;margin-bottom:8px}
.bd-step p{color:#5a6b85;font-size:15px}

/* FEATURES */
.bd-feat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.bd-fc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.bd-fi{font-size:30px;margin-bottom:14px}
.bd-fc h3{font-size:16px;margin-bottom:6px}
.bd-fc p{color:#5a6b85;font-size:14px}

/* CTA */
.bd-cta{background:linear-gradient(135deg,var(--blue),var(--sky));border-radius:28px;text-align:center;padding:58px 24px;color:#fff}
.bd-cta h2{font-size:34px;font-weight:900;margin-bottom:12px;letter-spacing:-1px;color:#fff}
.bd-cta p{font-size:17px;opacity:.94;margin-bottom:26px}

.bd-foot{text-align:center;padding:40px 20px;color:#9aa8c0;font-size:13px;border-top:1px solid var(--line)}

/* SINGLE */
.bd-single{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.bd-simg{aspect-ratio:1/1;background:#eef3fb center/cover no-repeat;border-radius:18px}
.bd-seller{color:#8a99b3;font-size:14px;margin-bottom:10px}
.bd-desc{margin-bottom:16px}
.bd-panel{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:22px}
.bd-cur{font-size:36px;font-weight:900;color:var(--blue)}
.bd-winner{font-weight:700}
.bd-btimer{font-size:22px;font-weight:900}
.bd-btimer.urgent{color:#ef4444}
.bd-bidrow{display:flex;gap:10px;margin-top:16px}
.bd-amt{flex:1;padding:14px;border:1px solid var(--line);border-radius:12px;font-size:16px}
.bd-minnote{font-size:12px;color:#9aa8c0;margin-top:8px}
.bd-sold{margin-top:14px;font-weight:800;color:#16a34a}
.bd-msg{margin-top:10px;font-weight:600}
.bd-hist{margin-top:16px}
.bd-hb{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}

/* FORMS */
.bd-form{display:flex;flex-direction:column;gap:10px;max-width:480px}
.bd-form input,.bd-form textarea{padding:13px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit}
.bd-form textarea{min-height:90px;resize:vertical}
.bd-form label{font-weight:700;font-size:13px}
.bd-note{font-size:12px;color:#9aa8c0}

/* WALLET */
.bd-walletbal{background:linear-gradient(135deg,var(--blue),var(--sky));border-radius:18px;padding:26px;margin-bottom:20px;color:#fff}
.bd-baln{font-size:40px;font-weight:900}
.bd-txns .bd-t{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.bd-txns small{color:#aab6cc;display:block;font-size:11px}
.bd-pos{color:#16a34a;font-weight:800}
.bd-neg{color:#ef4444;font-weight:800}

/* AUTH */
.bd-auth{max-width:380px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 10px 30px rgba(37,99,235,.06)}
.bd-tabs{display:flex;gap:8px;margin-bottom:18px}
.bd-tab{flex:1;background:none;border:0;border-bottom:2px solid var(--line);padding:10px;cursor:pointer;font-weight:800;color:#9aa8c0}
.bd-tab.active{color:var(--ink);border-color:var(--blue)}
.bd-tabpanel{display:flex;flex-direction:column;gap:12px}
.bd-tabpanel input{padding:12px;border:1px solid var(--line);border-radius:12px}
.bd-authmsg{margin-top:12px;font-weight:600;text-align:center}

.bd-empty{color:#8a99b3;padding:40px 0;text-align:center;grid-column:1/-1}

#bd-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:14px 22px;border-radius:12px;font-weight:600;z-index:9999;opacity:0;transition:.25s;pointer-events:none}
#bd-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:900px){.bd-grid{grid-template-columns:repeat(2,1fr)}.bd-feat{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){
.bd-hero h1{font-size:42px}
.bd-hero p{font-size:16px}
.bd-steps{grid-template-columns:1fr}
.bd-single{grid-template-columns:1fr}
.bd-trust{gap:26px}
}

/* DEMO NOTE */
.bd-demo-note{background:#eff6ff;border:1px solid #bfdbfe;color:#1d4ed8;padding:14px 18px;border-radius:12px;font-size:14px;margin-bottom:24px;text-align:center}