:root {
  --bg: #0b0e1a;
  --bg-2: #0f1426;
  --card: #161c33;
  --card-2: #1b2240;
  --line: #283156;
  --line-soft: #1f2742;
  --text: #eef1fb;
  --muted: #9aa3c7;
  --brand: #6c8cff;
  --brand-2: #9b6cff;
  --accent: #3ee0a6;
  --warn: #ffbf57;
  --danger: #ff6f8b;
  --radius: 16px;
  --radius-sm: 11px;
  --shadow: 0 14px 40px rgba(0,0,0,.45);
  --shadow-soft: 0 6px 20px rgba(0,0,0,.3);
  --grad: linear-gradient(120deg, #6c8cff, #9b6cff 55%, #c06cff);
  --grad-soft: linear-gradient(120deg, rgba(108,140,255,.18), rgba(155,108,255,.12));
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1100px 620px at 82% -12%, #1a2150 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 10%, #241a4d 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.2; margin: 0; }
a { color: var(--brand); }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--line-soft);
  background: rgba(11,14,26,.72); backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 30;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 22px; filter: drop-shadow(0 2px 6px rgba(108,140,255,.5)); }
.brand-name { font-weight: 800; letter-spacing: .4px; font-size: 19px; }
.topnav { display: flex; align-items: center; gap: 4px; }
.link-btn {
  background: transparent; border: none; color: var(--muted); cursor: pointer;
  font-size: 14px; padding: 8px 12px; border-radius: 9px; transition: .15s;
}
.link-btn:hover { color: var(--text); background: var(--card); }
.link-btn.ext { text-decoration: none; }

/* ---------- Layout ---------- */
main { flex: 1; width: 100%; max-width: 1000px; margin: 0 auto; padding: 30px 22px 60px; }
.screen { animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Hero ---------- */
.hero { position: relative; text-align: center; padding: 40px 12px 26px; }
.hero-glow {
  position: absolute; inset: -40px 10% auto 10%; height: 280px; z-index: 0;
  background: radial-gradient(closest-side, rgba(108,140,255,.28), transparent 70%);
  filter: blur(20px); pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.pill {
  display: inline-block; font-size: 12.5px; color: var(--brand);
  background: var(--grad-soft); border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(30px, 6vw, 50px); font-weight: 850; letter-spacing: -.5px; }
.hero .sub { max-width: 640px; margin: 18px auto 0; color: var(--muted); font-size: 16.5px; }
.hero-cta { margin-top: 26px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.hero-note { font-size: 13px; color: var(--muted); }
.trust-row {
  margin-top: 26px; display: flex; gap: 10px 22px; justify-content: center; flex-wrap: wrap;
  font-size: 13.5px; color: var(--muted);
}

/* ---------- Buttons ---------- */
.primary-btn {
  background: var(--grad); color: #fff; border: none; cursor: pointer;
  font-size: 15px; font-weight: 700; padding: 12px 20px; border-radius: 12px;
  box-shadow: 0 8px 22px rgba(108,140,255,.35); transition: .18s; letter-spacing: .2px;
}
.primary-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(108,140,255,.5); }
.primary-btn:active { transform: translateY(0); }
.primary-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.primary-btn.lg { font-size: 17px; padding: 15px 30px; }
.ghost-btn {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
  cursor: pointer; font-size: 14px; font-weight: 600; padding: 10px 16px; border-radius: 11px; transition: .15s;
}
.ghost-btn:hover:not(:disabled) { background: var(--card-2); border-color: var(--brand); }
.ghost-btn:disabled { opacity: .42; cursor: not-allowed; }
.ghost-btn.sm { padding: 7px 12px; font-size: 13px; }
.link-btn, .back-btn { font-family: inherit; }

/* ---------- How it works ---------- */
.how {
  display: flex; align-items: stretch; justify-content: center; gap: 14px;
  margin: 34px 0 10px; flex-wrap: wrap;
}
.how-step {
  background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 18px 20px; flex: 1 1 200px; max-width: 280px; text-align: center;
}
.how-step .n {
  display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center;
  background: var(--grad); color: #fff; border-radius: 50%; font-weight: 800; margin-bottom: 8px;
}
.how-step h3 { font-size: 16px; }
.how-step p { font-size: 13.5px; color: var(--muted); margin: 6px 0 0; }
.how-arrow { align-self: center; color: var(--brand); font-size: 22px; }

/* ---------- Document groups ---------- */
.cat { margin-top: 40px; }
.cat-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.cat-head h2 { font-size: 21px; }
.cat-head .cat-sub { font-size: 13.5px; color: var(--muted); }
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(248px, 1fr)); gap: 14px; }
.doc-card {
  position: relative; background: var(--card); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 18px; cursor: pointer; transition: .18s; overflow: hidden;
}
.doc-card::before {
  content: ""; position: absolute; inset: 0; background: var(--grad-soft);
  opacity: 0; transition: .2s;
}
.doc-card:hover { transform: translateY(-4px); border-color: var(--brand); box-shadow: var(--shadow); }
.doc-card:hover::before { opacity: 1; }
.doc-card > * { position: relative; }
.doc-card .dc-top { display: flex; align-items: center; justify-content: space-between; }
.doc-emoji-lg { font-size: 30px; }
.badge-pop {
  font-size: 11px; font-weight: 700; color: #0b0e1a; background: var(--accent);
  padding: 3px 9px; border-radius: 999px;
}
.doc-card h3 { font-size: 16.5px; margin-top: 12px; }
.doc-card p { font-size: 13.5px; color: var(--muted); margin: 7px 0 14px; min-height: 38px; }
.dc-foot { display: flex; align-items: center; justify-content: space-between; font-size: 13px; }
.dc-price { font-weight: 700; color: var(--text); }
.dc-time { color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { margin-top: 48px; }
.faq h2 { font-size: 22px; margin-bottom: 14px; }
.faq details {
  background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  padding: 4px 18px; margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 650; padding: 14px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--brand); font-size: 20px; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); font-size: 14px; padding: 0 0 14px; margin: 0; }

/* ---------- Back / nav ---------- */
.back-btn {
  background: transparent; border: none; color: var(--muted); cursor: pointer;
  font-size: 14.5px; padding: 6px 0; margin-bottom: 16px; transition: .15s;
}
.back-btn:hover { color: var(--text); }

/* ---------- Form ---------- */
.form-wrap { max-width: 720px; margin: 0 auto; }
.form-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.doc-emoji { font-size: 34px; }
.form-head h2 { font-size: 24px; }
.form-head p { margin: 4px 0 0; font-size: 14px; }
.progress { height: 6px; background: var(--line-soft); border-radius: 999px; overflow: hidden; margin-bottom: 22px; }
.progress-bar { height: 100%; width: 0; background: var(--grad); transition: width .3s ease; }
.q-form { display: grid; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > span { font-size: 14px; font-weight: 600; }
.field .req { color: var(--muted); font-weight: 400; font-style: normal; font-size: 12.5px; }
.field input, .field textarea, .field select {
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text);
  border-radius: var(--radius-sm); padding: 12px 14px; font-size: 15px; font-family: inherit;
  transition: .15s; width: 100%;
}
.field textarea { min-height: 92px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(108,140,255,.18);
}
.field .hint { font-size: 12.5px; color: var(--muted); }
.field .err { font-size: 12.5px; color: var(--danger); }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.form-actions { display: flex; align-items: center; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.cost-hint { font-size: 13px; color: var(--muted); }

/* ---------- Result ---------- */
.result-wrap { max-width: 760px; margin: 0 auto; }
.result-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.result-head h2 { font-size: 22px; }
.tone-switch { display: flex; align-items: center; gap: 8px; }
.tone-btn {
  background: var(--card); border: 1px solid var(--line); color: var(--muted); cursor: pointer;
  font-size: 13px; font-weight: 600; padding: 7px 13px; border-radius: 9px; transition: .15s;
}
.tone-btn.active { color: #fff; background: var(--brand); border-color: var(--brand); }
.result-tools { display: flex; gap: 10px; margin: 16px 0; flex-wrap: wrap; }
.doc-paper {
  position: relative; background: #fbfbfd; color: #1a1d29; border-radius: var(--radius);
  padding: 44px 48px; box-shadow: var(--shadow); min-height: 320px; overflow: hidden;
}
.doc-body { white-space: pre-wrap; font-size: 15px; line-height: 1.75; font-family: "Georgia", "Times New Roman", serif; }
.doc-body h-letter { font-weight: 700; }
.watermark {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(120,120,140,.22); font-size: 26px; font-weight: 800; letter-spacing: 3px;
  transform: rotate(-18deg); pointer-events: none; text-align: center; padding: 40px;
  background: repeating-linear-gradient(45deg, transparent, transparent 60px, rgba(120,120,140,.04) 60px, rgba(120,120,140,.04) 120px);
}
.paywall {
  margin-top: 18px; background: var(--card); border: 1px solid var(--brand);
  border-radius: var(--radius); padding: 20px 22px;
}
.pw-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.pw-title { font-weight: 700; margin: 0 0 4px; }
.paywall .muted { margin: 0; font-size: 13.5px; }
.price-row { display: flex; align-items: center; gap: 16px; }
.price-box { display: flex; flex-direction: column; line-height: 1; }
.price { font-size: 26px; font-weight: 850; }
.price-sub { font-size: 12px; color: var(--muted); }
.fine { font-size: 12px; color: var(--muted); margin: 12px 0 0; }

/* ---------- API screen ---------- */
.api-wrap { max-width: 560px; margin: 24px auto; background: var(--card); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 28px; }
.api-wrap h2 { font-size: 22px; margin-bottom: 10px; }
.api-wrap .muted { font-size: 14px; }
.api-wrap .field { margin-top: 18px; }
.api-wrap .fine { margin-top: 14px; }

/* ---------- Overlay / Toast ---------- */
.overlay {
  position: fixed; inset: 0; background: rgba(8,10,20,.78); backdrop-filter: blur(4px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; z-index: 60;
}
.overlay p { color: var(--text); font-size: 15px; }
.spinner {
  width: 44px; height: 44px; border: 4px solid var(--line); border-top-color: var(--brand);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  background: var(--card-2); border: 1px solid var(--line); color: var(--text);
  padding: 12px 20px; border-radius: 12px; box-shadow: var(--shadow); z-index: 70; font-size: 14px;
  animation: fade .25s ease;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line-soft); padding: 22px; margin-top: 40px;
  text-align: center; font-size: 12.5px; color: var(--muted); max-width: 1000px; margin-left: auto; margin-right: auto;
}
.site-footer p { margin: 6px auto; max-width: 760px; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  main { padding: 22px 16px 50px; }
  .how { flex-direction: column; align-items: stretch; }
  .how-arrow { transform: rotate(90deg); align-self: center; }
  .doc-paper { padding: 28px 22px; }
  .pw-inner { flex-direction: column; align-items: flex-start; }
  .topnav .link-btn.ext { display: none; }
}

/* ---------- v3: State info + filing guide ---------- */
.state-info {
  margin: 16px 0 4px; padding: 14px 16px; border: 1px solid var(--line);
  background: var(--card); border-radius: 12px;
}
.si-head { font-size: 13px; font-weight: 600; color: var(--brand-2); margin-bottom: 10px; letter-spacing: .2px; }
.si-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.si-grid > div { flex: 1 1 120px; background: var(--bg-soft); border: 1px solid var(--line-soft); border-radius: 10px; padding: 8px 10px; }
.si-grid span { display: block; font-size: 11px; color: var(--muted); }
.si-grid strong { font-size: 14px; color: var(--text); }
.si-badge-row { margin-top: 10px; }
.si-badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.si-badge.ok { background: rgba(69,224,168,.14); color: var(--accent); border: 1px solid rgba(69,224,168,.35); }
.si-badge.warn { background: rgba(255,180,84,.14); color: var(--warn); border: 1px solid rgba(255,180,84,.35); }
.si-note { margin: 10px 0 0; font-size: 12px; color: var(--muted); line-height: 1.5; }

.filing-guide {
  margin-top: 18px; padding: 18px 20px; border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--card) 0%, var(--bg-soft) 100%);
  border-radius: 14px;
}
.filing-guide h3 { margin: 0 0 12px; font-size: 16px; }
.fg-steps { margin: 0; padding: 0; list-style: none; }
.fg-steps li { display: flex; gap: 10px; align-items: flex-start; padding: 7px 0; font-size: 14px; color: var(--text); }
.fg-n {
  flex: 0 0 22px; height: 22px; border-radius: 50%; background: var(--brand); color: #fff;
  font-size: 12px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; margin-top: 1px;
}
.fg-note { margin: 12px 0 0; font-size: 13px; color: var(--text); background: var(--card); border: 1px solid var(--line-soft); border-radius: 10px; padding: 10px 12px; }
.fg-disc { margin: 10px 0 0; font-size: 11.5px; color: var(--muted); line-height: 1.5; }

/* ---------- v3.1: Free tools ---------- */
.tools-sec { margin-top: 34px; }
.tools-sec h2 { margin-bottom: 4px; }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 14px; }
.tool-card {
  text-align: left; display: flex; flex-direction: column; gap: 6px; padding: 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; color: var(--text);
  cursor: pointer; font: inherit; transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.tool-card:hover { transform: translateY(-3px); border-color: var(--brand); box-shadow: var(--shadow); }
.tc-emoji { font-size: 26px; }
.tool-card strong { font-size: 15px; }
.tool-card span:last-child { color: var(--muted); font-size: 12.5px; line-height: 1.5; }
.tool-wrap { max-width: 720px; margin: 0 auto; padding: 10px 0 30px; }
.tool-wrap h2 { margin: 0 0 6px; }
.tool-form { display: grid; gap: 14px; margin: 18px 0; }
.tool-form code { background: var(--bg-soft); border: 1px solid var(--line-soft); padding: 1px 6px; border-radius: 6px; font-size: 12px; }
.tool-result { margin-top: 18px; display: grid; gap: 12px; }
.tr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.tr-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.tr-card.warn { border-color: rgba(255,180,84,.45); background: rgba(255,180,84,.07); }
.tr-card.ok { border-color: rgba(69,224,168,.4); background: rgba(69,224,168,.06); }
.tr-card.note { margin-top: 4px; }
.tr-label { display: block; font-size: 11.5px; color: var(--muted); }
.tr-val { font-size: 17px; }
.tr-card strong { font-size: 14px; display: block; margin-bottom: 2px; }
.tr-card span { font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.ch-head { display: flex; align-items: baseline; gap: 10px; }
.ch-head h3 { margin: 0; }
.ch-table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
.ch-table th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.ch-table td { padding: 9px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.ch-desc { font-weight: 500; }
.ch-amt { white-space: nowrap; }
.ch-reason { color: var(--muted); font-size: 12px; }
.v-badge { display: inline-block; font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.v-badge.ok { background: rgba(69,224,168,.14); color: var(--accent); }
.v-badge.warn { background: rgba(255,180,84,.14); color: var(--warn); }
.v-badge.bad { background: rgba(255,107,107,.14); color: var(--danger); }
.ch-totals { margin-top: 14px; }
.waiver { margin-top: 20px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; background: var(--card); }
.waiver summary { cursor: pointer; font-weight: 600; }
.waiver-item { display: flex; align-items: center; gap: 8px; margin: 8px 0; font-size: 13.5px; }
.waiver-item input { accent-color: var(--brand); }
@media (max-width: 640px) {
  .ch-table { font-size: 12px; }
  .ch-table th:nth-child(4), .ch-table td:nth-child(4) { display: none; }
}