/* ============ BDA brand tokens ============ */
:root{
  --navy:#191152;
  --navy-deep:#0f0a34;
  --navy-soft:#241c63;
  --blue:#3FA9DD;
  --blue-600:#2b90c6;
  --blue-700:#1f78ab;
  --ink:#1d2240;
  --slate:#5a6080;
  --slate-2:#8a90ab;
  --line:#e3e6f0;
  --line-2:#eef0f7;
  --bg:#f4f6fb;
  --white:#fff;
  --ok:#15a06b;
  --err:#d8475a;
  --font-head:'Poppins',system-ui,sans-serif;
  --font-ui:'Manrope',system-ui,sans-serif;
}
*{box-sizing:border-box}

/* ============ generic frame ============ */
.v-root{
  width:100%;height:100%;overflow:hidden;position:relative;
  container-type:inline-size;
  font-family:var(--font-ui);color:var(--ink);
  -webkit-font-smoothing:antialiased;
}

/* ============ shared form ============ */
.form{display:flex;flex-direction:column;gap:18px;width:100%}
.form-head{display:flex;flex-direction:column;gap:6px}
.form-head h1{font-family:var(--font-head);font-weight:600;font-size:26px;line-height:1.15;margin:0;letter-spacing:-.01em;color:var(--ink)}
.form-head p{margin:0;font-size:14.5px;color:var(--slate);line-height:1.5}

.fld{display:flex;flex-direction:column;gap:7px}
.fld-top{display:flex;align-items:baseline;justify-content:space-between}
.fld label{font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.01em}
.inp-wrap{position:relative;display:flex;align-items:center}
.inp{
  width:100%;height:50px;border:1.5px solid var(--line);border-radius:11px;
  background:#fbfcfe;padding:0 16px;font-size:15px;font-family:var(--font-ui);color:var(--ink);
  transition:border-color .16s,box-shadow .16s,background .16s;outline:none;
}
.inp::placeholder{color:#a6abc4}
.inp:hover{border-color:#cfd4e6}
.inp:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(63,169,221,.16)}
.inp.has-pw{padding-right:48px}
.inp.bad{border-color:var(--err);background:#fef6f7}
.inp.bad:focus{box-shadow:0 0 0 4px rgba(216,71,90,.14)}
.eye{
  position:absolute;right:8px;width:36px;height:36px;border:none;background:transparent;
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--slate-2);border-radius:8px;
}
.eye:hover{color:var(--slate);background:var(--line-2)}
.err{font-size:12.5px;color:var(--err);display:flex;align-items:center;gap:5px;margin-top:1px}

.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.check{display:flex;align-items:center;gap:9px;cursor:pointer;user-select:none;font-size:13.5px;color:var(--slate);white-space:nowrap}
.check input{position:absolute;opacity:0;width:0;height:0}
.box{width:19px;height:19px;border:1.5px solid var(--line);border-radius:6px;background:#fff;display:flex;align-items:center;justify-content:center;transition:.14s;flex:0 0 auto}
.check:hover .box{border-color:var(--blue)}
.check input:checked + .box{background:var(--blue);border-color:var(--blue)}
.box svg{opacity:0;transform:scale(.6);transition:.14s}
.check input:checked + .box svg{opacity:1;transform:scale(1)}
.link{font-size:13.5px;font-weight:600;color:var(--blue-700);text-decoration:none;white-space:nowrap}
.link:hover{color:var(--blue-600);text-decoration:underline}

.btn{
  height:50px;border:none;border-radius:11px;font-family:var(--font-head);font-weight:600;font-size:15.5px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;gap:9px;transition:.16s;letter-spacing:.01em;
}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 6px 18px -8px rgba(25,17,82,.5)}
.btn-primary:hover{background:var(--navy-soft);box-shadow:0 8px 22px -8px rgba(25,17,82,.6)}
.btn-primary:active{transform:translateY(1px)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 6px 18px -8px rgba(43,144,198,.6)}
.btn-blue:hover{background:var(--blue-600)}
.btn:disabled{opacity:.75;cursor:default}
.spin{width:17px;height:17px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

.done{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:14px 0}
.done .ck{width:58px;height:58px;border-radius:50%;background:rgba(21,160,107,.12);color:var(--ok);display:flex;align-items:center;justify-content:center;animation:pop .4s cubic-bezier(.2,1.3,.5,1)}
@keyframes pop{from{transform:scale(.5);opacity:0}}
.done h2{font-family:var(--font-head);font-weight:600;font-size:20px;margin:0;color:var(--ink)}
.done p{margin:0;font-size:14px;color:var(--slate)}

.foot-note{font-size:12.5px;color:var(--slate-2);line-height:1.55}
.foot-note a{color:var(--blue-700);font-weight:600;text-decoration:none}
.foot-note a:hover{text-decoration:underline}
.secure{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--slate-2);white-space:nowrap}

/* ============ V1 — Trust (navy full-bleed, centered card) ============ */
.v1{background:radial-gradient(120% 90% at 50% -10%,#26206a 0%,var(--navy) 42%,var(--navy-deep) 100%);display:flex;align-items:center;justify-content:center}
.v1 .wm{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.v1 .wm svg{position:absolute}
.v1 .wm .a{top:-90px;left:-70px;opacity:.06}
.v1 .wm .b{bottom:-120px;right:-90px;opacity:.05}
.v1-card{
  position:relative;width:min(440px,86cqw);background:#fff;border-radius:20px;
  padding:38px 38px 26px;box-shadow:0 30px 70px -24px rgba(8,5,30,.6),0 0 0 1px rgba(255,255,255,.04);
}
.v1-logo{height:30px;max-width:100%;object-fit:contain;object-position:left;margin-bottom:24px}
.v1-card .form-head h1{font-size:24px}
.v1-tag{position:absolute;left:0;right:0;bottom:-34px;text-align:center;color:rgba(255,255,255,.5);font-size:12px;font-weight:500;letter-spacing:.02em}

/* ============ V2 — Split ============ */
.v2{display:grid;grid-template-columns:1.05fr 1fr;background:#fff}
.v2-brand{position:relative;overflow:hidden;background:linear-gradient(160deg,#241c63 0%,var(--navy) 50%,var(--navy-deep) 100%);padding:54px 52px;display:flex;flex-direction:column;justify-content:space-between;color:#fff}
.v2-brand .grid-wm{position:absolute;inset:0;opacity:.5;pointer-events:none}
.v2-wm-mark{position:absolute;right:-120px;top:50%;transform:translateY(-50%);opacity:.08}
.v2-mark-row{display:flex;align-items:center;gap:13px;position:relative}
.v2-mark-row .name{font-family:var(--font-head);font-weight:600;font-size:19px;letter-spacing:-.01em}
.v2-mid{position:relative;max-width:380px}
.v2-mid h2{font-family:var(--font-head);font-weight:600;font-size:33px;line-height:1.18;letter-spacing:-.02em;margin:0 0 16px}
.v2-mid p{font-size:15px;line-height:1.6;color:rgba(255,255,255,.72);margin:0}
.v2-bul{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:13px}
.v2-bul li{display:flex;align-items:center;gap:11px;font-size:14px;color:rgba(255,255,255,.86)}
.v2-bul .dot{width:22px;height:22px;border-radius:7px;background:rgba(63,169,221,.22);color:var(--blue);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.v2-brand .sig{position:relative;font-size:12.5px;color:rgba(255,255,255,.55);font-weight:500}
.v2-form{display:flex;align-items:center;justify-content:center;padding:48px}
.v2-form .inner{width:min(380px,100%);display:flex;flex-direction:column;gap:24px}

/* ============ V3 — Spotlight (light/modern) ============ */
.v3{background:var(--bg);display:flex;align-items:center;justify-content:center}
.v3 .dots{position:absolute;inset:0;background-image:radial-gradient(rgba(25,17,82,.05) 1.4px,transparent 1.4px);background-size:22px 22px;pointer-events:none;mask-image:radial-gradient(80% 70% at 50% 40%,#000,transparent)}
.v3-card{position:relative;width:min(420px,88cqw);background:#fff;border-radius:22px;overflow:hidden;box-shadow:0 24px 60px -28px rgba(25,17,82,.32),0 0 0 1px var(--line-2)}
.v3-head{position:relative;background:linear-gradient(150deg,var(--navy-soft),var(--navy) 70%);padding:30px 34px 26px;color:#fff;overflow:hidden}
.v3-head .gw{position:absolute;right:-50px;top:-40px;opacity:.12}
.v3-head .accent{position:absolute;left:0;bottom:0;height:4px;width:100%;background:linear-gradient(90deg,var(--blue),#5fc0ec)}
.v3-mark-row{display:flex;align-items:center;gap:11px;position:relative}
.v3-mark-row .name{font-family:var(--font-head);font-weight:600;font-size:16px}
.v3-head h1{font-family:var(--font-head);font-weight:600;font-size:22px;margin:18px 0 4px;letter-spacing:-.01em}
.v3-head p{margin:0;font-size:13.5px;color:rgba(255,255,255,.66)}
.v3-body{padding:28px 34px 26px;display:flex;flex-direction:column;gap:18px}

/* ============ responsive (container queries) ============ */
@container (max-width:640px){
  .v2{grid-template-columns:1fr}
  .v2-brand{padding:30px 26px;flex-direction:row;align-items:center;justify-content:flex-start;gap:14px}
  .v2-brand .v2-mid,.v2-brand .sig,.v2-brand .v2-wm-mark{display:none}
  .v2-form{padding:30px 24px;align-items:flex-start}
  .v2-form .inner{width:100%}
  .v1-card{padding:30px 26px 22px}
  .v3-card{width:min(420px,92cqw)}
}