:root {
  --bg: #0b0f0d; --panel: #141a17; --panel-2: #0f1411;
  --border: rgba(255,255,255,0.08); --text: #e9f1ec; --muted: #9bb0a4; --faint: #5e7268;
  --accent: #2fb56a; --accent-2: #1f9e8a; --ok: #3ddc91; --danger: #ff6b6b; --radius: 18px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
body {
  font-family: "Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  background: var(--bg); color: var(--text); padding: 40px 20px 20px; min-height: 100vh; position: relative;
}
.bg { position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(38rem 32rem at 6% -8%, rgba(47,181,106,0.16), transparent 60%),
              radial-gradient(34rem 28rem at 100% 6%, rgba(31,158,138,0.12), transparent 60%); }
.shell { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
.masthead { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { font-size: 24px; }
.brand-name { font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.headline { font-size: clamp(26px,5vw,38px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
.sub { color: var(--muted); font-size: 16px; margin-bottom: 24px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: 0 18px 46px rgba(0,0,0,0.4); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .row2 { grid-template-columns: 1fr; } }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
input, select, textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); padding: 12px; font-size: 15px; font-family: inherit; resize: vertical;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47,181,106,0.15); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.btn-primary {
  width: 100%; background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #04140c; border: none;
  border-radius: 12px; padding: 15px; font-size: 16px; font-weight: 800; cursor: pointer; font-family: inherit;
  margin-top: 6px; transition: filter 0.15s, transform 0.1s;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }
.form-note { font-size: 13px; margin-top: 12px; min-height: 16px; text-align: center; }
.form-note.err { color: var(--danger); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); border-radius: 10px; padding: 11px 18px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit; }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }
.success { text-align: center; padding: 20px 10px; }
.success .tick { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; background: rgba(61,220,145,0.15); color: var(--ok); display: flex; align-items: center; justify-content: center; font-size: 28px; font-weight: 800; }
.success h2 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.success p { color: var(--muted); margin-bottom: 20px; }