:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #f1f3f8;
  --text: #1a2233;
  --muted: #5a6477;
  --border: #e3e7ef;
  --primary: #1e6fff;
  --primary-700: #155bd1;
  --accent: #0a8a6a;
  --warn: #b8761a;
  --shadow: 0 6px 18px rgba(20, 28, 50, 0.06);
  --shadow-strong: 0 10px 28px rgba(20, 28, 50, 0.12);
  --radius: 14px;
  --radius-lg: 20px;
  --max: 1180px;
}
[data-theme="dark"] {
  --bg: #0d1320;
  --surface: #161e2e;
  --surface-2: #1d2738;
  --text: #eef2fa;
  --muted: #97a3b8;
  --border: #28324a;
  --primary: #4f93ff;
  --primary-700: #2f76e6;
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 10px 30px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-700); }
img { max-width: 100%; display: block; }

.sbv-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.sbv-header-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 14px 20px;
  display: flex; align-items: center; gap: 16px; justify-content: space-between;
}
.sbv-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; color: var(--text);
}
.sbv-brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: inline-block;
}
.sbv-nav { display: flex; gap: 14px; flex-wrap: wrap; }
.sbv-nav a {
  color: var(--muted); font-size: 14px; padding: 6px 10px; border-radius: 8px;
}
.sbv-nav a:hover { background: var(--surface-2); color: var(--text); }
.sbv-nav a.active { color: var(--text); background: var(--surface-2); }
.sbv-theme-toggle {
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 999px; cursor: pointer; color: var(--muted); font-size: 13px;
}

.sbv-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.sbv-hero {
  background: linear-gradient(135deg, #eaf1ff 0%, #e8f6f1 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  margin-bottom: 28px;
}
[data-theme="dark"] .sbv-hero {
  background: linear-gradient(135deg, #18243d 0%, #16332b 100%);
}
.sbv-hero h1 { margin: 0 0 10px; font-size: 30px; letter-spacing: -0.01em; }
.sbv-hero p { margin: 0; color: var(--muted); max-width: 720px; }
.sbv-hero-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--primary); margin-bottom: 8px;
}

.sbv-tool-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-bottom: 40px;
}
.sbv-tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  box-shadow: var(--shadow);
}
.sbv-tool-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-strong); border-color: var(--primary); }
.sbv-tool-card .icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--surface-2); display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.sbv-tool-card h3 { margin: 4px 0 0; font-size: 18px; }
.sbv-tool-card p { margin: 0; color: var(--muted); font-size: 14px; }
.sbv-tool-card a {
  margin-top: 8px; font-size: 14px; font-weight: 600; align-self: flex-start;
}

/* Recommendations */
.sbv-section-head { margin: 8px 0 18px; }
.sbv-eyebrow {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--accent); margin-bottom: 6px;
}
.sbv-section-head h2 { margin: 0 0 6px; font-size: 24px; letter-spacing: -0.01em; }
.sbv-section-head p { margin: 0; color: var(--muted); max-width: 720px; font-size: 15px; }

.sbv-partner-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 28px;
}
@media (max-width: 920px) { .sbv-partner-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .sbv-partner-grid { grid-template-columns: 1fr; } }
.sbv-partner-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  box-shadow: var(--shadow);
  position: relative;
}
.sbv-partner-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-strong); }
.sbv-card-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(30,111,255,0.12), rgba(10,138,106,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.sbv-badge {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  background: var(--surface-2); color: var(--muted);
  padding: 3px 8px; border-radius: 999px; align-self: flex-start;
  border: 1px solid var(--border);
}
.sbv-partner-card h3 { margin: 4px 0 0; font-size: 17px; }
.sbv-partner-card p { margin: 0; color: var(--muted); font-size: 14px; }
.sbv-card-cta { margin-top: 8px; }

.sbv-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  cursor: pointer; border: none; transition: background .18s ease, color .18s ease, transform .18s ease;
  text-decoration: none;
}
.sbv-cta--partner {
  background: var(--primary); color: #fff;
}
.sbv-cta--partner:hover { background: var(--primary-700); color: #fff; transform: translateY(-1px); }
.sbv-cta--inactive {
  background: var(--surface-2); color: var(--muted); cursor: not-allowed;
  border: 1px dashed var(--border);
}
.sbv-cta--service {
  background: var(--primary); color: #fff;
}
.sbv-cta--service:hover { background: var(--primary-700); color: #fff; }
.sbv-cta--ghost {
  background: transparent; color: var(--primary); border: 1px solid var(--border);
}
.sbv-cta--ghost:hover { background: var(--surface-2); }

.sbv-featured-card {
  margin: 30px 0;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1e6fff 0%, #0a8a6a 100%);
  color: #fff;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-strong);
}
.sbv-featured-card::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.sbv-featured-card .sbv-eyebrow { color: rgba(255,255,255,0.85); }
.sbv-featured-card h3 { margin: 0 0 8px; font-size: 22px; }
.sbv-featured-card p { margin: 0 0 12px; color: rgba(255,255,255,0.92); }
.sbv-featured-card .sbv-price { font-size: 14px; color: rgba(255,255,255,0.92); margin-bottom: 16px; }
.sbv-featured-ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.sbv-featured-ctas .sbv-cta { background: #fff; color: var(--primary); }
.sbv-featured-ctas .sbv-cta:hover { background: #f4f7ff; }
.sbv-featured-ctas .sbv-cta--ghost { color: #fff; border-color: rgba(255,255,255,0.5); }
.sbv-featured-ctas .sbv-cta--ghost:hover { background: rgba(255,255,255,0.12); }

/* Flow strip */
.sbv-flow {
  display: flex; gap: 10px; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  margin-bottom: 32px; flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.sbv-flow-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 10px;
  background: var(--surface-2); font-size: 13px; font-weight: 600;
}
.sbv-flow-icon { font-size: 18px; }
.sbv-flow-arrow { color: var(--muted); font-size: 18px; }
@media (max-width: 720px) {
  .sbv-flow { flex-direction: column; align-items: stretch; }
  .sbv-flow-arrow { display: none; }
}

/* Disclosure */
.sbv-disclosure {
  font-size: 12px; color: var(--muted);
  padding: 14px 18px; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  margin-top: 30px;
}

/* Footer */
.sbv-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 20px;
  margin-top: 60px;
}
.sbv-footer-inner {
  max-width: var(--max); margin: 0 auto;
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 13px; color: var(--muted);
}
.sbv-footer a { color: var(--muted); }
.sbv-footer a:hover { color: var(--primary); }

/* Calculator panels */
.sbv-calc {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  box-shadow: var(--shadow);
}
.sbv-calc h1 { margin-top: 0; }
.sbv-calc label { display: block; margin: 14px 0 6px; font-size: 14px; font-weight: 600; }
.sbv-calc input, .sbv-calc select, .sbv-calc textarea {
  width: 100%; padding: 10px 12px;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px;
}
.sbv-calc input:focus, .sbv-calc select:focus, .sbv-calc textarea:focus {
  outline: 2px solid var(--primary); border-color: var(--primary);
}
.sbv-calc .row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) { .sbv-calc .row { grid-template-columns: 1fr; } }
.sbv-calc button.sbv-btn-primary {
  margin-top: 18px;
  background: var(--primary); color: #fff; border: none;
  padding: 12px 20px; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.sbv-calc button.sbv-btn-primary:hover { background: var(--primary-700); }
.sbv-calc button.sbv-btn-secondary {
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  padding: 12px 18px; border-radius: 10px; font-size: 14px; cursor: pointer;
}
.sbv-result {
  margin-top: 20px; padding: 18px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px;
  display: none;
}
.sbv-result.is-visible { display: block; }
.sbv-result .total { font-size: 26px; font-weight: 700; color: var(--primary); margin: 6px 0; }
.sbv-result ul { padding-left: 20px; margin: 6px 0; }
.sbv-result li { font-size: 14px; color: var(--muted); }

.sbv-output {
  margin-top: 14px; padding: 14px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px; word-break: break-all;
}

.sbv-after-result {
  display: none;
  margin-top: 24px;
  padding: 20px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.sbv-after-result.is-visible { display: block; }
.sbv-after-result h4 { margin-top: 0; font-size: 16px; }
.sbv-after-recs {
  display: grid; gap: 14px; grid-template-columns: 1fr 1fr;
  margin-top: 14px;
}
@media (max-width: 720px) { .sbv-after-recs { grid-template-columns: 1fr; } }
.sbv-after-rec {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.sbv-after-rec h5 { margin: 0 0 6px; font-size: 15px; }
.sbv-after-rec p { margin: 0 0 10px; font-size: 14px; color: var(--muted); }

/* Resources page */
.sbv-resources-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}
@media (max-width: 920px) { .sbv-resources-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .sbv-resources-grid { grid-template-columns: 1fr; } }

/* Legal */
.sbv-legal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  box-shadow: var(--shadow);
}
.sbv-legal h2 { margin-top: 24px; }
.sbv-legal p { color: var(--muted); }

/* Crumbs */
.sbv-crumbs { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.sbv-crumbs a { color: var(--muted); }
.sbv-crumbs a:hover { color: var(--primary); }

/* v1.2.1 — package recommendation calculator */
.sbv-package-guide {
  align-self: end;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}
.sbv-package-guide span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 3px;
}
.sbv-package-guide strong { font-size: 13px; line-height: 1.45; }
.sbv-feature-set {
  margin: 22px 0 0;
  padding: 0;
  border: 0;
}
.sbv-feature-set legend { font-size: 15px; font-weight: 700; padding: 0; }
.sbv-field-help { margin: 4px 0 14px; color: var(--muted); font-size: 13px; }
.sbv-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.sbv-feature-grid label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
  cursor: pointer;
}
.sbv-feature-grid input[type="checkbox"] {
  width: 17px;
  height: 17px;
  margin: 2px 0 0;
  flex: 0 0 auto;
}
.sbv-feature-grid span { display: flex; flex-direction: column; gap: 2px; }
.sbv-feature-grid strong { font-size: 14px; color: var(--text); }
.sbv-feature-grid small { color: var(--muted); font-size: 12px; font-weight: 400; }
@media (max-width: 720px) { .sbv-feature-grid { grid-template-columns: 1fr; } }
.sbv-package-result .sbv-result-kicker {
  display: block;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.sbv-package-result h2 { margin: 3px 0 0; font-size: 24px; }
.sbv-package-result .wc-summary { color: var(--muted); margin: 4px 0 10px; }
.sbv-core-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 8px;
  font-size: 13px;
  color: var(--muted);
}
.sbv-estimate-note { font-size: 12px; color: var(--muted); margin: 12px 0 0; }
.sbv-result-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }