.vf { width: 100%; max-width: 980px; margin: 0 auto; padding: 58px 24px 72px; box-sizing: border-box; }

.vf-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 380px); gap: 48px; align-items: end; }
.vf-eyebrow {
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .32em;
  text-transform: uppercase; color: var(--met); margin-bottom: 14px;
}
.vf-title {
  font-family: 'Marcellus', Georgia, serif; font-weight: 400; margin: 0 0 16px;
  font-size: clamp(30px, 3.6vw, 42px); line-height: 1.12; color: var(--bone);
}
@supports not (width: min(1px, 2px)) { .vf-title { font-size: 30px; }
  @media (min-width: 833.33px) { .vf-title { font-size: 3.6vw; } }
  @media (min-width: 1166.67px) { .vf-title { font-size: 42px; } } }
.vf-intro { margin: 0; font-size: 15px; line-height: 1.8; color: var(--dim); max-width: 52ch; }

.vf-form {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 22px; min-width: 0;
  border: 1px solid rgba(200,168,107,.3);
  background: linear-gradient(180deg, rgba(200,168,107,.07), rgba(200,168,107,0) 80%), #0A0A0E;
}
.vf-label {
  font-family: 'IBM Plex Mono', monospace; font-size: 9.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--met);
}

.vf-input {
  position: relative; display: flex; align-items: center; min-width: 0; width: 100%; box-sizing: border-box;
  height: 52px; padding: 0 14px; border: 1px solid #34322B; background: #0E0E14; transition: border-color .25s;
}
.vf-input:focus-within { border-color: var(--dim); }
.vf-input input {
  flex: 1 1 0; width: 100%; min-width: 0; height: 100%; padding: 0; margin: 0; box-sizing: border-box;
  background: none; border: 0; outline: none; color: var(--bone); border-radius: 0; -webkit-appearance: none; appearance: none;
  font-family: 'IBM Plex Mono', monospace; font-size: 17px; letter-spacing: .12em; text-transform: uppercase;
}
.vf-input input::placeholder { color: #4E4A40; letter-spacing: .08em; }
.vf-kind {
  flex: none; margin-left: 10px; font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--met); opacity: 0; transform: translateX(4px); transition: opacity .25s, transform .25s;
}
.vf-kind.on { opacity: .9; transform: none; }
.vf-form .btn { margin: 4px 0 0; width: 100%; padding: 15px 20px; }
.vf-form-note { margin: 0; font-size: 13px; line-height: 1.6; color: #C98C7E; }
.vf-form-note[hidden] { display: none; }
.vf-hint { margin: 2px 0 0; font-size: 12.5px; line-height: 1.7; color: #7A7466; }
.vf-hint b { font-weight: 400; color: #B5AE9E; }

.vf a.btn { text-decoration: none; display: inline-block; text-align: center; }
.vf .vf-go {
  background: linear-gradient(180deg, #E6C88C 0%, #C8A86B 100%); color: #16120C;
  border-color: transparent; font-weight: 500; box-shadow: 0 8px 24px rgba(200,168,107,.2);
  transition: box-shadow .3s, filter .3s, transform .3s;
}
.vf .vf-go:hover { background: linear-gradient(180deg, #EDD39C 0%, #D2B478 100%); color: #16120C; filter: brightness(1.04); transform: translateY(-1px); box-shadow: 0 10px 30px rgba(200,168,107,.3); }

.vf-result {
  display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 30px; align-items: center;
  margin-top: 40px; padding: 30px 32px; border: 1px solid #1C1A22;
  background: radial-gradient(ellipse 60% 100% at 0% 50%, rgba(200,168,107,.07), rgba(200,168,107,0) 70%), #0A0A0E;
  animation: vfIn .5s ease both;
}
.vf-result[hidden] { display: none; }
@keyframes vfIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.vf-result.has-piece { grid-template-columns: 260px minmax(0, 1fr); }
.vf-result.is-ok { border-color: rgba(200,168,107,.4); }
.vf-result.is-warn { border-color: rgba(201,140,126,.4); }

.vf-seal svg { width: 110px; height: 110px; display: block; fill: none; stroke: var(--met); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.vf-seal .faint { opacity: .4; stroke-width: 1; }
.vf-seal .dot { fill: currentColor; stroke: none; }
.is-warn .vf-seal svg { stroke: #C98C7E; color: #C98C7E; }
.is-none .vf-seal svg, .is-wait .vf-seal svg { stroke: #5C5748; }
.is-wait .vf-seal svg { animation: vfPulse 1.4s ease-in-out infinite; }
@keyframes vfPulse { 0%, 100% { opacity: .4; } 50% { opacity: 1; } }

.vf-piece { position: relative; display: block; width: 260px; aspect-ratio: 1; z-index: 0; }
.vf-piece-ring { position: absolute; inset: 0; display: block; }
@supports not (inset: 0) { .vf-piece-ring { top: 0; right: 0; bottom: 0; left: 0; } }
.vf-piece-ring svg { width: 100%; height: 100%; display: block; }
.vf-piece-ring.drawn svg { animation: vfFade .8s ease both; }
@keyframes vfFade { from { opacity: 0; } to { opacity: 1; } }

.vf-kicker {
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .26em; text-transform: uppercase; color: var(--met);
}
.is-warn .vf-kicker { color: #C98C7E; }
.is-none .vf-kicker { color: #8A8474; }
.vf-state { margin: 8px 0 0; font-family: 'Marcellus', Georgia, serif; font-weight: 400; font-size: clamp(22px, 2.6vw, 28px); line-height: 1.25; color: var(--bone); }
@supports not (width: min(1px, 2px)) { .vf-state { font-size: 22px; }
  @media (min-width: 846.15px) { .vf-state { font-size: 2.6vw; } }
  @media (min-width: 1076.92px) { .vf-state { font-size: 28px; } } }
.vf-body p { margin: 12px 0 0; font-size: 14.5px; line-height: 1.75; color: var(--dim); max-width: 60ch; }
.vf-facts { list-style: none; margin: 18px 0 0; padding: 0; border-top: 1px solid #1C1A22; }
.vf-facts li {
  display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 14px; padding: 10px 0; border-bottom: 1px solid #16151C;
  font-size: 14.5px; line-height: 1.6; color: #B5AE9E;
}
.vf-facts span {
  font-family: 'IBM Plex Mono', monospace; font-size: 9.5px; letter-spacing: .2em; text-transform: uppercase; color: #7A7466; padding-top: 3px;
}
.vf-facts b { font-weight: 400; color: var(--bone); }
.vf-body .vf-code-line { margin-top: 16px; padding: 12px 14px; font-size: 14px; line-height: 1.65; border-left: 2px solid #34322B; background: rgba(255,255,255,.015); }
.vf-code-line b {
  display: inline-block; margin-right: 8px; font-weight: 400; font-family: 'IBM Plex Mono', monospace; letter-spacing: .14em; color: var(--bone);
}
.vf-code-ok { border-left-color: var(--met) !important; color: #C9C0A8 !important; }
.vf-code-ok b { color: var(--met-hi); }
.vf-code-bad { border-left-color: #C98C7E !important; color: #C9ADA6 !important; }
.vf-code-none { color: #7A7466 !important; }
.vf-open { margin-top: 20px !important; padding: 13px 26px; }

.vf-how { margin-top: 84px; }
.vf-h2 { font-family: 'Marcellus', Georgia, serif; font-weight: 400; font-size: clamp(24px, 3vw, 30px); color: var(--bone); margin: 0 0 22px; }
@supports not (width: min(1px, 2px)) { .vf-h2 { font-size: 24px; }
  @media (min-width: 800px) { .vf-h2 { font-size: 3vw; } }
  @media (min-width: 1000px) { .vf-h2 { font-size: 30px; } } }
.vf-how-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.vf-how-item { padding: 22px 20px 20px; border: 1px solid #1C1A22; background: #0A0A0E; }
.vf-how-item svg { width: 34px; height: 34px; fill: none; stroke: var(--met); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.vf-how-item .dot { fill: var(--met); stroke: none; }
.vf-how-item h3 { margin: 14px 0 6px; font-family: 'Marcellus', Georgia, serif; font-weight: 400; font-size: 18px; color: var(--bone); }
.vf-how-item p { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--dim); }

.vf-cta {
  position: relative; text-align: center; margin: 80px auto 0; max-width: 760px; padding: 38px 26px 34px;
  border: 1px solid rgba(200,168,107,.3);
  background: radial-gradient(ellipse 70% 90% at 50% 0%, rgba(200,168,107,.1), rgba(200,168,107,0) 72%), #0A0A0E;
}
.vf-cta::before { content: ''; position: absolute; left: 50%; top: -1px; width: 120px; height: 2px; transform: translateX(-50%); background: var(--met); }
.vf-cta-title { font-family: 'Marcellus', Georgia, serif; font-size: clamp(22px, 3vw, 27px); color: var(--bone); line-height: 1.25; }
@supports not (width: min(1px, 2px)) { .vf-cta-title { font-size: 22px; }
  @media (min-width: 733.33px) { .vf-cta-title { font-size: 3vw; } }
  @media (min-width: 900px) { .vf-cta-title { font-size: 27px; } } }
.vf-cta-sub { margin: 12px auto 22px; max-width: 52ch; font-size: 14.5px; line-height: 1.75; color: var(--dim); }
.vf-cta-acts { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.vf-cta .btn { margin: 0; padding: 15px 30px; }
.vf-textlink {
  font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--met); text-decoration: none; border-bottom: 1px solid rgba(200,168,107,.4); padding-bottom: 2px;
}
.vf-textlink:hover { color: var(--met-hi); }

@media (prefers-reduced-motion: reduce) {
  .vf-result, .vf-piece-ring.drawn svg, .is-wait .vf-seal svg { animation: none; }
}

@media (max-width: 860px) {
  .vf-hero { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .vf-head { text-align: center; }
  .vf-intro { margin: 0 auto; }
  .vf-result, .vf-result.has-piece { grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; gap: 20px; padding: 26px 20px; }
  .vf-body { width: 100%; }
  .vf-body p { margin-left: auto; margin-right: auto; }
  .vf-facts li { text-align: left; }
  .vf-body .vf-code-line { text-align: left; }
  .vf-piece { width: min(280px, 78vw); }
@supports not (width: min(1px, 2px)) { .vf-piece { width: 78vw; }
  @media (min-width: 358.97px) { .vf-piece { width: 280px; } } }
  .vf-how-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 620px) {
  .vf { padding: 46px 14px 56px; }
  .vf-title { font-size: 28px; }
  .vf-intro { font-size: 14px; }
  .vf-form { padding: 16px 14px; }
  .vf-facts li { grid-template-columns: 72px minmax(0, 1fr); gap: 10px; font-size: 14px; }
  .vf-how { margin-top: 60px; }
  .vf-cta { margin-top: 56px; padding: 30px 16px 28px; }
  .vf-cta .btn { width: 100%; }
}

.homebtn { background: rgba(8,8,12,.9); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }