:root {
  color: #0b1f3a;
  background: #f7f8fa;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --navy: #081d3b;
  --navy-2: #123f70;
  --blue: #0162f7;
  --sky: #2998ff;
  --coral: #ff7f70;
  --ink: #0b1f3a;
  --muted: #5f697a;
  --line: #dce1e8;
  --panel: #f1f2f4;
  --white: #fff;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: #f7f8fa; }
button, input, select { font: inherit; }
a { color: inherit; }

.site-header,
.page,
.site-footer { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; }
.brand img { display: block; width: 143px; height: 25px; }
.header-link { color: #526074; font-size: 14px; font-weight: 700; text-decoration: none; }
.header-link:hover { color: var(--blue); }

.page { padding: 18px 0 72px; }
.breadcrumbs { margin: 0 0 16px; color: #778195; font-size: 13px; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--blue); }

.hero {
  padding: 38px 42px;
  border: 1px solid rgba(11,31,58,.06);
  border-radius: 30px;
  background:
    radial-gradient(circle at 92% -20%, rgba(41,152,255,.18), transparent 24rem),
    linear-gradient(115deg, #fff2ee 0%, #eef5ff 100%);
}

.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { margin: 0; max-width: 900px; font-size: clamp(34px, 4.6vw, 58px); line-height: 1; letter-spacing: -.05em; }
.hero-copy { max-width: 760px; margin: 15px 0 0; color: var(--muted); font-size: 17px; line-height: 1.5; }

.calculator-shell {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(350px, .92fr);
  align-items: stretch;
  gap: 22px;
}

.input-card,
.result-card { border-radius: 30px; overflow: hidden; }
.input-card { padding: 32px; background: var(--panel); }
.result-card {
  position: sticky;
  top: 18px;
  min-height: 100%;
  padding: 34px;
  align-self: start;
  color: white;
  background:
    radial-gradient(circle at 90% 0%, rgba(41,152,255,.34), transparent 18rem),
    linear-gradient(145deg, #071b38, #0b2d55);
  box-shadow: 0 24px 54px rgba(8,29,59,.15);
}

.section-title { margin: 0 0 22px; font-size: 20px; letter-spacing: -.025em; }
.fields { display: grid; gap: 20px; }
.fields.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field { min-width: 0; display: grid; gap: 8px; }
.field.field-start { align-content: start; }
.field.full { grid-column: 1 / -1; }
.field-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--ink); font-size: 13px; font-weight: 800; }
.field-note { color: #758094; font-size: 11px; font-weight: 500; }
.control { position: relative; }
.control input,
.control select {
  width: 100%;
  height: 58px;
  padding: 0 48px 0 16px;
  border: 1px solid #d3d9e2;
  border-radius: 16px;
  outline: none;
  color: var(--ink);
  background: #fff;
  font-size: 18px;
  font-weight: 750;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.control select { appearance: none; cursor: pointer; }
.control input:focus,
.control select:focus { border-color: var(--sky); box-shadow: 0 0 0 4px rgba(41,152,255,.12); }
.suffix { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: #5f6878; font-weight: 700; pointer-events: none; }
.select-arrow { width: 8px; height: 8px; border-right: 1.8px solid #536072; border-bottom: 1.8px solid #536072; transform: translateY(-70%) rotate(45deg); }
.help { margin: 0; color: #758094; font-size: 11px; line-height: 1.45; }
.field-explainer { color: #5f6b7d; font-size: 12px; line-height: 1.5; }
.field-explainer summary { width: max-content; list-style: none; color: #0877ee; font-weight: 750; cursor: pointer; }
.field-explainer summary::-webkit-details-marker { display: none; }
.field-explainer summary::after { content: "↓"; display: inline-block; margin-left: 6px; transition: transform .18s ease; }
.field-explainer[open] summary::after { transform: rotate(180deg); }
.field-explainer p { max-width: 620px; margin: 8px 0 0; padding: 12px 14px; border-left: 2px solid var(--sky); background: #eef5ff; }

.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span {
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid #d3d9e2;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #536074;
  background: #fff;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
  transition: .18s ease;
}
.choice input:checked + span { border-color: var(--blue); color: var(--blue); background: #edf5ff; box-shadow: inset 0 0 0 1px var(--blue); }

.check-row { display: flex; align-items: flex-start; gap: 10px; color: #596476; font-size: 12px; line-height: 1.45; cursor: pointer; }
.check-row input { width: 17px; height: 17px; margin: 0; flex: 0 0 auto; accent-color: var(--blue); }

.subsection { padding-top: 20px; border-top: 1px solid #dce1e8; }
.subsection-title { margin: 0 0 14px; font-size: 14px; }
.dynamic-list { display: grid; gap: 10px; }
.dynamic-row { display: grid; grid-template-columns: 1fr 92px 92px 36px; align-items: center; gap: 8px; }
.dynamic-row input { width: 100%; height: 44px; padding: 0 11px; border: 1px solid #d3d9e2; border-radius: 12px; outline: none; background: #fff; font-weight: 700; }
.dynamic-row input:focus { border-color: var(--sky); }
.remove-button,
.add-button { border: 0; cursor: pointer; }
.remove-button { width: 36px; height: 36px; border-radius: 50%; color: #697386; background: #e5e8ed; font-size: 20px; }
.add-button { width: fit-content; padding: 10px 14px; border-radius: 12px; color: var(--blue); background: #e7f1ff; font-size: 12px; font-weight: 800; }

.result-kicker { margin: 0; color: #aebdce; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.result-value { margin: 12px 0 4px; font-size: clamp(38px, 5vw, 58px); line-height: 1; letter-spacing: -.055em; }
.result-caption { margin: 0; color: #b8c4d3; font-size: 13px; line-height: 1.5; }
.result-status { width: fit-content; margin: 20px 0 0; padding: 7px 10px; border-radius: 999px; color: #bcdcff; background: rgba(41,152,255,.16); font-size: 11px; font-weight: 800; }
.result-status.good { color: #c9f2df; background: rgba(50,190,126,.16); }
.result-status.warn { color: #ffe0b2; background: rgba(255,175,75,.16); }

.result-list { margin: 26px 0 0; border-top: 1px solid rgba(255,255,255,.14); }
.result-row { min-height: 58px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.result-row span { color: #b8c4d3; font-size: 13px; }
.result-row strong { text-align: right; font-size: 17px; }
.result-row.total strong { font-size: 21px; }
.result-row.compact { min-height: 44px; padding: 10px 0; }

.visual-bar { height: 9px; margin: 24px 0 0; border-radius: 99px; overflow: hidden; display: flex; background: rgba(255,255,255,.12); }
.visual-bar span { display: block; height: 100%; transition: width .45s cubic-bezier(.2,.8,.2,1); }
.visual-bar .primary { background: var(--sky); }
.visual-bar .secondary { background: #79bdf6; }
.visual-bar .coral { background: var(--coral); }

.result-note { margin: 22px 0 0; padding: 14px 15px; border-left: 2px solid var(--sky); color: #c3cedb; background: rgba(255,255,255,.07); font-size: 12px; line-height: 1.55; }
.result-note strong { color: white; }
.result-actions { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.button { min-height: 48px; padding: 11px 16px; border: 1px solid rgba(255,255,255,.26); border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: transparent; font-size: 13px; font-weight: 800; text-decoration: none; cursor: pointer; }
.button.primary { border-color: var(--sky); background: var(--sky); }
.button.coral { border-color: var(--coral); color: var(--ink); background: var(--coral); }

.owners-results { margin-top: 20px; display: grid; gap: 8px; }
.owner-result { padding: 12px; border-radius: 14px; display: grid; grid-template-columns: 1fr auto; gap: 5px 14px; background: rgba(255,255,255,.08); }
.owner-result strong { font-size: 13px; }
.owner-result span { color: #b8c4d3; font-size: 11px; }
.owner-result b { grid-row: 1 / 3; grid-column: 2; align-self: center; font-size: 16px; }

.content { margin: 26px 0 0; padding: 42px; border: 1px solid #e2e6eb; border-radius: 30px; background: white; }
.content-inner { max-width: 820px; }
.content h2 { margin: 34px 0 12px; font-size: 28px; letter-spacing: -.035em; }
.content h2:first-child { margin-top: 0; }
.content h3 { margin: 24px 0 9px; font-size: 18px; }
.content p,
.content li { color: #4f5d70; font-size: 15px; line-height: 1.7; }
.content ul,
.content ol { padding-left: 21px; }
.content a { color: var(--blue); }
.formula { padding: 18px; border-radius: 16px; color: var(--ink) !important; background: #eef5ff; font-weight: 750; }
.legal-note { color: #7a8391 !important; font-size: 12px !important; }
.faq { border-top: 1px solid #e1e5ea; }
.faq details { border-bottom: 1px solid #e1e5ea; }
.faq summary { padding: 17px 0; font-weight: 800; cursor: pointer; }
.faq details p { margin: -4px 0 18px; }

.site-footer { padding: 28px 0 38px; border-top: 1px solid #e0e4e9; display: flex; justify-content: space-between; gap: 20px; color: #7d8695; font-size: 12px; }
.hidden { display: none !important; }

body.article-embed { background: transparent; }
body.article-embed .site-header,
body.article-embed .breadcrumbs,
body.article-embed .content,
body.article-embed .site-footer { display: none; }
body.article-embed .page { width: 100%; padding: 0; }
body.article-embed .hero { border-radius: 26px; }
body.article-embed .calculator-shell { margin-top: 14px; }

@media (max-width: 820px) {
  .site-header, .page, .site-footer { width: min(100% - 24px, 1120px); }
  .header-link { font-size: 0; }
  .header-link::after { content: "GID.HOUSE →"; font-size: 12px; }
  .page { padding-top: 8px; }
  .breadcrumbs { padding-inline: 6px; }
  .hero { padding: 28px 22px; border-radius: 24px; }
  .hero h1 { font-size: 36px; }
  .hero-copy { font-size: 15px; }
  .calculator-shell { grid-template-columns: 1fr; gap: 14px; }
  .input-card, .result-card { border-radius: 24px; }
  .input-card { padding: 24px 20px; }
  .result-card { position: static; padding: 28px 22px; }
  .fields.two { grid-template-columns: 1fr; }
  .dynamic-row { grid-template-columns: 1fr 70px 70px 34px; }
  .content { padding: 28px 22px; border-radius: 24px; }
  .content h2 { font-size: 24px; }
  .site-footer { flex-direction: column; }
}

@media (max-width: 430px) {
  .site-header { min-height: 62px; }
  .brand img { width: 124px; height: auto; }
  .hero h1 { font-size: 32px; }
  .choice-grid { grid-template-columns: 1fr; }
  .result-actions { grid-template-columns: 1fr; }
  .dynamic-row { grid-template-columns: minmax(0,1fr) 62px 62px 32px; gap: 5px; }
  .dynamic-row input { padding-inline: 7px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}