:root {
  --iss-navy: #100b3d;
  --iss-navy-2: #1b1558;
  --iss-indigo: #312e81;
  --iss-violet: #6257d9;
  --iss-violet-soft: #eeecff;
  --iss-gold: #b59652;
  --iss-gold-deep: #6c5522;
  --iss-paper: #fbfaf7;
  --iss-surface: #ffffff;
  --iss-ink: #17162c;
  --iss-muted: #5e6076;
  --iss-line: #dedde7;
  --iss-cream: #f4f0e7;
  --iss-green: #1f6655;
  --iss-shadow: 0 22px 60px rgba(16, 11, 61, .09);
  --iss-radius: 22px;
}

.taxup-tech-owner-search-cover {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.taxup-iss-saas,
.taxup-iss-saas * { box-sizing: border-box; }
body:has(.taxup-iss-saas) {
  margin: 0;
  color: var(--iss-ink);
  background: var(--iss-paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}
.taxup-iss-saas a { color: #413a9d; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.taxup-iss-saas a:hover { color: var(--iss-indigo); }

.preview-topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  min-height: 52px;
  padding: 10px clamp(24px, 5vw, 72px);
  color: #fff;
  background: rgba(16, 11, 61, .96);
  backdrop-filter: blur(12px);
}
.preview-brand { font-size: 1.25rem; font-weight: 900; letter-spacing: -.055em; }
.preview-brand em { color: #a9a2ff; font-style: normal; }
.preview-status {
  padding: 5px 10px;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.iss-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(58% 95% at 91% 4%, rgba(98,87,217,.42), transparent 62%),
    radial-gradient(45% 70% at 4% 100%, rgba(181,150,82,.13), transparent 62%),
    linear-gradient(116deg, transparent 36%, rgba(255,255,255,.052) 50%, transparent 64%),
    linear-gradient(137deg, var(--iss-navy) 0%, #191354 60%, #292278 100%);
}
.iss-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent 93%);
}
.iss-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .82fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(68px, 8vw, 112px) 0 clamp(64px, 8vw, 96px);
}
.iss-breadcrumbs { margin: 0 0 22px; color: rgba(255,255,255,.68); font-size: .78rem; }
.iss-breadcrumbs a { color: inherit; }
.iss-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 17px;
  color: #e8d49a;
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.iss-kicker::before { content: ""; width: 30px; height: 2px; background: currentColor; }
.iss-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.85rem, 5.8vw, 5.15rem);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.065em;
}
.iss-hero__deck {
  max-width: 710px;
  margin: 24px 0 0;
  color: rgba(255,255,255,.79);
  font-size: clamp(1.04rem, 1.7vw, 1.25rem);
  line-height: 1.58;
}
.iss-hero__meta { display: flex; flex-wrap: wrap; gap: 9px 20px; margin-top: 27px; color: rgba(255,255,255,.66); font-size: .78rem; }

.iss-hero-art {
  position: relative;
  min-height: 430px;
  isolation: isolate;
}
.iss-hero-art__panel {
  position: absolute;
  inset: 28px 0 22px 38px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(255,255,255,.14), rgba(255,255,255,.045));
  box-shadow: 0 28px 80px rgba(3, 2, 20, .35);
  backdrop-filter: blur(8px);
}
.iss-hero-art__panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,.09) 50%, transparent 65%);
}
.iss-hero-art__node {
  position: absolute;
  z-index: 2;
  display: grid;
  align-content: center;
  min-height: 84px;
  padding: 15px 17px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 16px;
  color: #fff;
  background: rgba(16, 11, 61, .74);
  box-shadow: 0 15px 36px rgba(4,3,25,.28);
}
.iss-hero-art__node span { color: #e4ce8c; font-size: .63rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.iss-hero-art__node strong { margin-top: 3px; font-size: .94rem; line-height: 1.25; }
.iss-hero-art__node--contract { left: 0; top: 78px; width: 190px; }
.iss-hero-art__node--rule { right: 8px; top: 25px; width: 185px; }
.iss-hero-art__node--city { right: 0; top: 176px; width: 190px; }
.iss-hero-art__node--invoice { left: 44px; bottom: 22px; width: 208px; }
.iss-hero-art__core {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 49%;
  display: grid;
  place-items: center;
  width: 132px;
  height: 132px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 26px;
  color: var(--iss-navy);
  background: linear-gradient(145deg, #fff, #e9e6ff);
  box-shadow: 0 22px 50px rgba(4,3,25,.34);
  text-align: center;
}
.iss-hero-art__core span { color: var(--iss-gold-deep); font-size: .63rem; font-weight: 900; letter-spacing: .13em; }
.iss-hero-art__core strong { font-size: 2.1rem; line-height: 1; }
.iss-hero-art__line { position: absolute; z-index: 1; height: 2px; transform-origin: left center; background: linear-gradient(90deg, rgba(230,209,149,.85), rgba(255,255,255,.16)); }
.iss-hero-art__line--a { left: 175px; top: 143px; width: 120px; transform: rotate(20deg); }
.iss-hero-art__line--b { left: 262px; top: 150px; width: 132px; transform: rotate(-32deg); }
.iss-hero-art__line--c { left: 275px; top: 236px; width: 112px; transform: rotate(7deg); }
.iss-hero-art__line--d { left: 180px; top: 286px; width: 112px; transform: rotate(-25deg); }

.preview-main {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 76px 0 96px;
}
.iss-layout { display: grid; grid-template-columns: minmax(0, 800px) 230px; gap: 72px; align-items: start; justify-content: center; }
.iss-toc { position: sticky; top: 82px; padding-top: 6px; }
.iss-toc > strong { display: block; margin-bottom: 13px; color: var(--iss-navy); font-size: .68rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.iss-toc ol { margin: 0; padding: 0; list-style: none; counter-reset: toc; }
.iss-toc li { counter-increment: toc; margin: 0 0 10px; }
.iss-toc a { display: grid; grid-template-columns: 24px 1fr; gap: 8px; color: var(--iss-muted); text-decoration: none; font-size: .76rem; line-height: 1.36; }
.iss-toc a::before { content: counter(toc, decimal-leading-zero); color: var(--iss-gold-deep); font-weight: 850; }

.taxup-iss-saas { min-width: 0; font-size: 1.035rem; }
.taxup-iss-saas p { margin: 0 0 1.22rem; }
.taxup-iss-saas > h2 {
  scroll-margin-top: 84px;
  margin: 38px 0 18px;
  color: var(--iss-navy);
  font-size: clamp(2rem, 3.7vw, 3.05rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.052em;
}
.taxup-iss-saas > h2:first-of-type { margin-top: 42px; }
.taxup-iss-saas h3 { margin: 26px 0 10px; color: var(--iss-navy); font-size: 1.22rem; line-height: 1.32; }
.taxup-iss-saas ul, .taxup-iss-saas ol { margin: 0 0 1.35rem; padding-left: 1.35rem; }
.taxup-iss-saas li { margin-bottom: .58rem; }

.iss-lead {
  padding: 28px 30px 25px;
  border: 1px solid #d9d6ef;
  border-left: 5px solid var(--iss-violet);
  border-radius: 20px;
  background: linear-gradient(135deg, #fff, #f2f0ff);
  box-shadow: 0 18px 46px rgba(16,11,61,.07);
}
.iss-lead p:last-child { margin-bottom: 0; }
.iss-eyebrow { display: block; margin-bottom: 8px; color: var(--iss-indigo); font-size: .7rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.iss-decision-rail { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin: 22px 0 26px; overflow: hidden; border: 1px solid var(--iss-line); border-radius: 18px; background: var(--iss-line); box-shadow: var(--iss-shadow); }
.iss-decision-rail > div { min-height: 126px; padding: 17px 14px; background: #fff; }
.iss-decision-rail span, .iss-doc-chain span { display: block; color: var(--iss-gold-deep); font-size: .64rem; font-weight: 900; letter-spacing: .12em; }
.iss-decision-rail strong, .iss-doc-chain strong { display: block; margin-top: 8px; color: var(--iss-navy); font-size: .91rem; }
.iss-decision-rail small, .iss-doc-chain small { display: block; margin-top: 5px; color: var(--iss-muted); font-size: .71rem; line-height: 1.35; }

.iss-visual { margin: 0 0 24px; border: 1px solid var(--iss-line); border-radius: var(--iss-radius); background: #fff; box-shadow: var(--iss-shadow); }
figure.iss-visual { overflow: hidden; }
.iss-visual figcaption { padding: 13px 18px; color: var(--iss-muted); border-top: 1px solid var(--iss-line); background: #faf9fc; font-size: .76rem; line-height: 1.45; }

.iss-visual.iss-graphic--indexable {
  display: block;
  overflow: visible !important;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.iss-graphic--indexable .iss-graphic__semantic {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: normal !important;
  border: 0 !important;
}
.iss-graphic__media,
.iss-graphic__media img { display: block; width: 100%; }
.iss-graphic__media img { height: auto; }
.iss-graphic--indexable figcaption {
  border: 1px solid var(--iss-line);
  border-top: 0;
  border-radius: 0 0 var(--iss-radius) var(--iss-radius);
}

.iss-timeline__track { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 28px; }
.iss-timeline__track::before { content: ""; position: absolute; left: 9%; right: 9%; top: 51px; height: 2px; background: linear-gradient(90deg, var(--iss-gold), var(--iss-violet)); }
.iss-timeline__track > div { position: relative; padding-top: 48px; }
.iss-timeline__track > div::before { content: ""; position: absolute; top: 16px; left: 0; width: 15px; height: 15px; border: 4px solid #fff; border-radius: 50%; background: var(--iss-violet); box-shadow: 0 0 0 2px var(--iss-violet); }
.iss-timeline__track span { color: var(--iss-gold-deep); font-size: .68rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.iss-timeline__track strong { display: block; margin-top: 5px; color: var(--iss-navy); font-size: .92rem; line-height: 1.3; }
.iss-timeline__track small { display: block; margin-top: 6px; color: var(--iss-muted); font-size: .72rem; line-height: 1.45; }

.iss-service-lanes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; overflow: hidden; background: var(--iss-line); }
.iss-service-lanes > div { min-height: 150px; padding: 20px 15px; background: #fff; }
.iss-service-lanes > .is-primary { color: #fff; background: var(--iss-navy); }
.iss-service-lanes span { color: var(--iss-gold-deep); font-size: .68rem; font-weight: 900; letter-spacing: .08em; }
.iss-service-lanes strong { display: block; margin-top: 17px; color: var(--iss-navy); font-size: .9rem; line-height: 1.3; }
.iss-service-lanes small { display: block; margin-top: 7px; color: var(--iss-muted); font-size: .7rem; line-height: 1.45; }
.iss-service-lanes .is-primary span { color: #ecd99f; }
.iss-service-lanes .is-primary strong { color: #fff; }
.iss-service-lanes .is-primary small { color: rgba(255,255,255,.73); }

.iss-place-flow__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 27px; background: linear-gradient(135deg, #fbfaf7, #f2f0ff); }
.iss-place-flow__grid > div { position: relative; min-height: 168px; padding: 22px; border: 1px solid #d7d4e8; border-radius: 18px; background: #fff; }
.iss-place-flow__grid > div:not(:last-child)::after { content: "→"; position: absolute; right: -14px; top: 50%; z-index: 2; display: grid; place-items: center; width: 28px; height: 28px; transform: translateY(-50%); border-radius: 50%; color: #fff; background: var(--iss-violet); font-weight: 900; }
.iss-place-flow__grid span { color: var(--iss-gold-deep); font-size: .68rem; font-weight: 900; }
.iss-place-flow__grid strong { display: block; margin-top: 10px; color: var(--iss-navy); font-size: .96rem; line-height: 1.3; }
.iss-place-flow__grid small { display: block; margin-top: 8px; color: var(--iss-muted); font-size: .74rem; line-height: 1.45; }

.iss-split { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.iss-split section { min-height: 180px; padding: 27px; }
.iss-split section:first-child { color: #fff; background: var(--iss-navy); }
.iss-split section:nth-child(2) { background: var(--iss-cream); }
.iss-split section span { color: var(--iss-gold); font-size: .66rem; font-weight: 900; letter-spacing: .13em; }
.iss-split section strong { display: block; margin-top: 14px; color: inherit; font-size: 1.12rem; line-height: 1.3; }
.iss-split section p { margin: 9px 0 0; color: inherit; opacity: .75; font-size: .8rem; }
.iss-split__rule { grid-column: 1 / -1; padding: 13px 18px; color: var(--iss-indigo); border-top: 1px solid var(--iss-line); background: #fff; font-size: .78rem; font-weight: 850; text-align: center; }

.iss-rate { padding: 28px 28px 0; }
.iss-rate__labels { display: flex; justify-content: space-between; align-items: end; color: var(--iss-navy); }
.iss-rate__labels span { color: var(--iss-muted); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.iss-rate__labels strong { font-size: 1.45rem; }
.iss-rate__track { position: relative; height: 26px; margin: 48px 0 26px; border-radius: 999px; background: linear-gradient(90deg, #d7ccaa, var(--iss-gold), var(--iss-violet), var(--iss-indigo)); }
.iss-rate__sp { position: absolute; bottom: 38px; min-width: 92px; transform: translateX(-50%); color: var(--iss-navy); font-size: .68rem; line-height: 1.25; text-align: center; }
.iss-rate__sp::after { content: ""; position: absolute; left: 50%; top: calc(100% + 4px); width: 2px; height: 40px; background: var(--iss-navy); }

.iss-code-stack { display: grid; gap: 1px; overflow: hidden; background: var(--iss-line); }
.iss-code-stack > div { display: grid; grid-template-columns: 84px 220px 1fr; gap: 18px; align-items: center; min-height: 75px; padding: 14px 22px; background: #fff; }
.iss-code-stack > div:nth-child(odd) { background: #faf9fc; }
.iss-code-stack span { color: var(--iss-gold-deep); font-size: .66rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.iss-code-stack strong { color: var(--iss-navy); font-size: .93rem; }
.iss-code-stack small { color: var(--iss-muted); font-size: .75rem; line-height: 1.4; }

.iss-offer-map { padding: 18px; background: linear-gradient(135deg, #f7f3ea, #efedff); }
.iss-offer-map__core { padding: 25px; border-radius: 17px; color: #fff; background: linear-gradient(135deg, var(--iss-navy), var(--iss-indigo)); text-align: center; }
.iss-offer-map__core span { display: block; color: #e6d092; font-size: .65rem; font-weight: 900; letter-spacing: .13em; }
.iss-offer-map__core strong { display: block; margin-top: 7px; font-size: 1.35rem; }
.iss-offer-map__branches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; margin-top: 12px; }
.iss-offer-map__branches > div { min-height: 105px; padding: 18px 14px; border: 1px solid #d9d5e9; border-radius: 14px; background: #fff; text-align: center; }
.iss-offer-map__branches strong { display: block; color: var(--iss-navy); font-size: .88rem; }
.iss-offer-map__branches small { display: block; margin-top: 6px; color: var(--iss-muted); font-size: .7rem; }

.iss-doc-chain { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; overflow: hidden; background: var(--iss-line); }
.iss-doc-chain > div { position: relative; min-height: 128px; padding: 18px 15px; background: #fff; }
.iss-doc-chain > div:last-child { color: #fff; background: var(--iss-navy); }
.iss-doc-chain > div:last-child span { color: #e6d092; }
.iss-doc-chain > div:last-child strong { color: #fff; }
.iss-doc-chain > div:last-child small { color: rgba(255,255,255,.72); }

.iss-check-head { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; background: var(--iss-line); }
.iss-check-head > div { min-height: 150px; padding: 22px; background: #fff; }
.iss-check-head span { color: var(--iss-gold-deep); font-size: .66rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.iss-check-head strong { display: block; margin-top: 16px; color: var(--iss-navy); font-size: .98rem; line-height: 1.3; }
.iss-check-head small { display: block; margin-top: 8px; color: var(--iss-muted); font-size: .72rem; line-height: 1.42; }

.iss-transition { padding: 25px 25px 0; }
.iss-transition__years { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; align-items: end; min-height: 185px; }
.iss-transition__years > span { display: grid; align-content: end; min-height: 85px; padding: 12px 7px; border-radius: 10px 10px 3px 3px; color: #fff; background: var(--iss-indigo); font-size: .8rem; font-weight: 900; text-align: center; }
.iss-transition__years > span:nth-child(3) { min-height: 100px; background: #4d478f; }
.iss-transition__years > span:nth-child(4) { min-height: 118px; background: #3f397f; }
.iss-transition__years > span:nth-child(5) { min-height: 136px; background: #302a6d; }
.iss-transition__years > span:nth-child(6) { min-height: 154px; background: var(--iss-navy); }
.iss-transition__years > span:nth-child(7) { min-height: 174px; background: var(--iss-gold-deep); }
.iss-transition__years small { display: block; margin-top: 4px; color: rgba(255,255,255,.75); font-size: .58rem; font-weight: 650; line-height: 1.2; }

.iss-signals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 15px; background: var(--iss-cream); }
.iss-signals > div { min-height: 128px; padding: 20px; border: 1px solid #dbd4c3; border-radius: 15px; background: #fff; }
.iss-signals strong { display: block; color: var(--iss-navy); font-size: .95rem; }
.iss-signals small { display: block; margin-top: 8px; color: var(--iss-muted); font-size: .74rem; line-height: 1.45; }

.iss-cta {
  position: relative;
  overflow: hidden;
  margin: 28px 0 36px;
  padding: 31px;
  border-radius: var(--iss-radius);
  color: #fff;
  background:
    linear-gradient(116deg, transparent 38%, rgba(255,255,255,.07) 50%, transparent 62%),
    linear-gradient(135deg, var(--iss-navy), var(--iss-indigo));
  box-shadow: 0 22px 54px rgba(16,11,61,.2);
}
.iss-cta > span { color: #ead89f; font-size: .68rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.iss-cta > strong { display: block; max-width: 570px; margin-top: 10px; font-size: 1.42rem; line-height: 1.22; }
.iss-cta p { max-width: 660px; margin: 14px 0 22px; color: rgba(255,255,255,.8); font-size: .9rem; }
.iss-cta p a { color: #fff; text-decoration-color: rgba(255,255,255,.5); }
.iss-cta__button { display: inline-flex; align-items: center; gap: 18px; padding: 13px 18px; border-radius: 11px; color: var(--iss-navy); background: #fff; font-size: .8rem; font-weight: 900; text-decoration: none; }
.iss-cta__button span { color: var(--iss-violet); font-size: 1.2rem; }

.iss-faq-intro { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 22px 24px; color: #fff; background: linear-gradient(135deg, var(--iss-navy), var(--iss-indigo)); }
.iss-faq-intro span { color: #e6d092; font-size: .68rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.iss-faq-intro strong { max-width: 470px; font-size: .9rem; line-height: 1.4; text-align: right; }

.iss-source-order { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; background: var(--iss-line); }
.iss-source-order > div { min-height: 132px; padding: 20px; background: #fff; }
.iss-source-order span { color: var(--iss-gold-deep); font-size: .65rem; font-weight: 900; }
.iss-source-order strong { display: block; margin-top: 12px; color: var(--iss-navy); font-size: .92rem; }
.iss-source-order small { display: block; margin-top: 6px; color: var(--iss-muted); font-size: .72rem; line-height: 1.4; }

.taxup-iss-saas table { width: 100%; margin: 0 0 24px; border-collapse: separate; border-spacing: 0; overflow: hidden; border: 1px solid var(--iss-line); border-radius: 17px; background: #fff; box-shadow: 0 14px 36px rgba(16,11,61,.05); }
.taxup-iss-saas th, .taxup-iss-saas td { padding: 14px 15px; border-bottom: 1px solid var(--iss-line); text-align: left; vertical-align: top; }
.taxup-iss-saas th { color: #fff; background: var(--iss-navy); font-size: .74rem; font-weight: 850; letter-spacing: .02em; }
.taxup-iss-saas td { color: var(--iss-ink); font-size: .8rem; line-height: 1.5; }
.taxup-iss-saas tbody tr:last-child td { border-bottom: 0; }
.taxup-iss-saas tbody tr:nth-child(even) td { background: #faf9fc; }

.preview-footer { padding: 35px 24px; color: rgba(255,255,255,.7); background: var(--iss-navy); font-size: .78rem; text-align: center; }

@media (max-width: 980px) {
  .iss-hero__inner { grid-template-columns: 1fr; }
  .iss-hero-art { min-height: 390px; max-width: 600px; width: 100%; margin: 0 auto; }
  .iss-layout { grid-template-columns: 1fr; }
  .iss-toc { display: none; }
}

@media (max-width: 720px) {
  .preview-topbar { padding-inline: 20px; }
  .iss-hero__inner, .preview-main { width: min(100% - 48px, 800px); }
  .iss-hero__inner { padding-top: 56px; }
  .iss-hero h1 { font-size: clamp(2.7rem, 12.5vw, 4.25rem); }
  .iss-hero-art { min-height: 340px; }
  .iss-hero-art__panel { inset: 20px 0 18px; }
  .iss-hero-art__node { min-height: 70px; padding: 12px; }
  .iss-hero-art__node--contract { left: 0; top: 50px; width: 155px; }
  .iss-hero-art__node--rule { right: 0; top: 28px; width: 150px; }
  .iss-hero-art__node--city { right: 0; top: 176px; width: 154px; }
  .iss-hero-art__node--invoice { left: 0; bottom: 18px; width: 168px; }
  .iss-hero-art__core { width: 108px; height: 108px; }
  .iss-hero-art__line { display: none; }
  .preview-main { padding-top: 52px; }
  .taxup-iss-saas { font-size: 1rem; }
  .taxup-iss-saas > h2 { margin-top: 28px; font-size: clamp(1.9rem, 9vw, 2.4rem); }
  .iss-lead { padding: 23px 22px 21px; }
  .iss-decision-rail, .iss-doc-chain { grid-template-columns: 1fr; }
  .iss-decision-rail > div, .iss-doc-chain > div { min-height: 0; padding: 16px 18px; }
  .iss-service-lanes { grid-template-columns: 1fr; }
  .iss-service-lanes > div { min-height: 0; padding: 17px 19px; }
  .iss-service-lanes strong { margin-top: 6px; }
  .iss-timeline__track { grid-template-columns: 1fr; gap: 12px; padding: 22px; }
  .iss-timeline__track::before { left: 29px; right: auto; top: 32px; bottom: 32px; width: 2px; height: auto; }
  .iss-timeline__track > div { padding: 4px 0 4px 42px; }
  .iss-timeline__track > div::before { left: 0; top: 10px; }
  .iss-place-flow__grid { grid-template-columns: 1fr; padding: 18px; }
  .iss-place-flow__grid > div { min-height: 0; }
  .iss-place-flow__grid > div:not(:last-child)::after { content: "↓"; left: 50%; right: auto; top: auto; bottom: -14px; transform: translateX(-50%); }
  .iss-split { grid-template-columns: 1fr; }
  .iss-split__rule { grid-column: auto; }
  .iss-code-stack > div { grid-template-columns: 70px 1fr; gap: 8px 14px; padding: 15px 18px; }
  .iss-code-stack small { grid-column: 1 / -1; }
  .iss-offer-map__branches { grid-template-columns: repeat(2, 1fr); }
  .iss-check-head, .iss-signals, .iss-source-order { grid-template-columns: 1fr; }
  .iss-check-head > div, .iss-signals > div, .iss-source-order > div { min-height: 0; }
  .iss-transition { padding: 18px 18px 0; }
  .iss-transition__years { grid-template-columns: repeat(2, 1fr); gap: 7px; min-height: 0; }
  .iss-transition__years > span,
  .iss-transition__years > span:nth-child(n) { min-width: 0; min-height: 78px; padding: 12px 8px; border-radius: 10px; }
  .iss-transition__years > span:last-child { grid-column: 1 / -1; }
  .iss-faq-intro { display: grid; }
  .iss-faq-intro strong { text-align: left; }
  .taxup-iss-saas table, .taxup-iss-saas thead, .taxup-iss-saas tbody, .taxup-iss-saas tr, .taxup-iss-saas th, .taxup-iss-saas td { display: block; }
  .taxup-iss-saas thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .taxup-iss-saas tr { padding: 11px 16px; border-bottom: 1px solid var(--iss-line); }
  .taxup-iss-saas tbody tr:last-child { border-bottom: 0; }
  .taxup-iss-saas td { display: grid; grid-template-columns: minmax(95px, .44fr) 1fr; gap: 12px; padding: 7px 0; border: 0; background: transparent !important; }
  .taxup-iss-saas td::before { content: attr(data-label); color: var(--iss-gold-deep); font-size: .66rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
}

@media (max-width: 440px) {
  .preview-status { display: none; }
  .iss-hero__inner, .preview-main { width: calc(100% - 48px); }
  .iss-hero h1 { font-size: 2.72rem; }
  .iss-hero__deck { font-size: 1rem; }
  .iss-hero-art { min-height: 315px; }
  .iss-hero-art__node { width: 138px; }
  .iss-hero-art__node strong { font-size: .78rem; }
  .iss-hero-art__core { width: 94px; height: 94px; border-radius: 22px; }
  .iss-hero-art__core strong { font-size: 1.72rem; }
  .taxup-iss-saas > h2 { font-size: 2.05rem; }
  .iss-visual { border-radius: 17px; }
  .iss-offer-map__branches { grid-template-columns: 1fr; }
  .iss-rate { padding-inline: 20px; }
  .taxup-iss-saas td { grid-template-columns: 95px 1fr; }
}

/* Premium v2: usa a composicao nativa do single.php aprovada para posts long-form. */
.taxup-iss-saas--v2 {
  --iss-radius: 4px;
  --iss-shadow: 0 18px 46px rgba(13, 11, 62, .075);
  --iss-brand-surface:
    linear-gradient(135deg, transparent 0 53%, rgba(255, 255, 255, .11) 54% 61%, transparent 62%) top right / 92px 92px no-repeat,
    radial-gradient(circle at 100% 0%, rgba(91, 91, 240, .24), transparent 46%),
    linear-gradient(135deg, #211d61 0%, #0d0b3e 78%);
  --iss-paper-surface:
    linear-gradient(135deg, rgba(70, 65, 152, .055), transparent 32%),
    linear-gradient(135deg, transparent 0 82%, rgba(181, 151, 79, .06) 82% 100%),
    #fbfaf7;
}

body:has(.taxup-iss-saas--v2) .editorial-post-hero .institucional-h1,
.taxup-iss-saas--v2 > h2,
.taxup-theme .editorial-post-content .taxup-iss-saas--v2 > h2,
.taxup-iss-saas--v2 h3,
.taxup-theme .editorial-post-content .taxup-iss-saas--v2 h3 {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

body:has(.taxup-iss-saas--v2) .editorial-post-hero .institucional-h1 {
  max-width: 18ch;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-weight: 800 !important;
  line-height: 1.02 !important;
  letter-spacing: -.045em !important;
}

body:has(.taxup-iss-saas--v2) .editorial-post-hero-bg img {
  object-position: 88% 50% !important;
  transform: scale(1.42);
  transform-origin: right center;
}

.taxup-iss-saas--v2 > h2,
.taxup-iss-saas--v2 > h2:first-of-type,
.taxup-theme .editorial-post-content .taxup-iss-saas--v2 > h2,
.taxup-theme .editorial-post-content .taxup-iss-saas--v2 > h2:first-of-type {
  max-width: 25ch;
  margin: 36px 0 16px;
  padding-top: 0;
  border-top: 0;
  font-size: clamp(1.9rem, 3.4vw, 2.55rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.038em;
  text-wrap: balance;
}

.taxup-iss-saas--v2 h3,
.taxup-theme .editorial-post-content .taxup-iss-saas--v2 h3 {
  font-weight: 760;
  letter-spacing: -.025em;
}

.taxup-iss-saas--v2 .post-lead {
  padding: 24px 26px;
  border: 1px solid var(--iss-line);
  border-top: 3px solid var(--iss-gold);
  border-left: 1px solid var(--iss-line);
  border-radius: 4px;
  background: var(--iss-paper-surface);
  box-shadow: none;
}

.taxup-iss-saas--v2 .post-lead__label {
  color: #71572c;
}

.taxup-theme .editorial-post-content .taxup-iss-saas--v2 .post-summary {
  margin: 22px 0 26px;
  padding: 25px 26px;
  border: 0;
  border-radius: 4px;
  color: #fff;
  background: var(--iss-brand-surface);
  box-shadow: var(--iss-shadow);
}

.taxup-theme .editorial-post-content .taxup-iss-saas--v2 .post-summary-label {
  color: #ead9a8;
}

.taxup-theme .editorial-post-content .taxup-iss-saas--v2 .post-summary p {
  color: #f5f1e6;
}

.taxup-iss-saas--v2 .iss-visual,
.taxup-iss-saas--v2 table,
.taxup-iss-saas--v2 .iss-decision-rail {
  margin-bottom: clamp(26px, 2.6vw, 34px);
  border-radius: 4px;
  box-shadow: var(--iss-shadow);
}

.taxup-iss-saas--v2 .iss-graphic--indexable {
  border-radius: 0;
  box-shadow: none;
}

.taxup-iss-saas--v2 .iss-graphic--indexable figcaption {
  border-radius: 0 0 4px 4px;
}

.taxup-iss-saas--v2 .iss-service-lanes,
.taxup-iss-saas--v2 .iss-doc-chain,
.taxup-iss-saas--v2 .iss-check-head,
.taxup-iss-saas--v2 .iss-source-order {
  border-radius: 4px;
}

.taxup-iss-saas--v2 .iss-place-flow__grid,
.taxup-iss-saas--v2 .iss-signals {
  background: var(--iss-paper-surface);
}

.taxup-iss-saas--v2 .iss-place-flow__grid > div,
.taxup-iss-saas--v2 .iss-offer-map__branches > div,
.taxup-iss-saas--v2 .iss-signals > div {
  border-radius: 4px;
}

.taxup-iss-saas--v2 th,
.taxup-theme .editorial-post-content .taxup-iss-saas--v2 th {
  background: var(--iss-brand-surface);
}

.taxup-iss-saas--v2 .iss-faq-intro {
  border: 0;
  border-radius: 4px;
  background: var(--iss-brand-surface);
}

body:has(.taxup-iss-saas--v2) .post-faq__item {
  margin: 0;
  border-color: var(--iss-line);
  border-radius: 0;
  box-shadow: none;
}

body:has(.taxup-iss-saas--v2) .post-faq__item:first-of-type {
  margin-top: 12px;
  border-top: 3px solid var(--iss-gold);
  border-radius: 4px 4px 0 0;
}

body:has(.taxup-iss-saas--v2) .post-faq__item:last-of-type {
  border-radius: 0 0 4px 4px;
}

body:has(.taxup-iss-saas--v2) .editorial-post-cta--close {
  border-radius: 6px;
  color: #fff;
  background:
    linear-gradient(135deg, transparent 0 53%, rgba(255, 255, 255, .11) 54% 61%, transparent 62%) top right / 92px 92px no-repeat,
    radial-gradient(circle at 100% 0%, rgba(91, 91, 240, .24), transparent 46%),
    linear-gradient(135deg, #211d61 0%, #0d0b3e 78%);
}

body:has(.taxup-iss-saas--v2) .editorial-post-cta--close h3 {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.035em;
  color: #fff;
}

body:has(.taxup-iss-saas--v2) .editorial-post-cta--close p {
  color: #f5f1e6;
}

body:has(.taxup-iss-saas--v2) .editorial-post-cta--close .editorial-post-cta-micro {
  color: #e7e5f2;
  opacity: 1;
}

body:has(.taxup-iss-saas--v2) .editorial-post-cta--close .btn-primary,
body:has(.taxup-iss-saas--v2) .editorial-post-cta--close .btn-primary--lg {
  border-color: #fff !important;
  color: #0d0b3e !important;
  background: #fff !important;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
}

body:has(.taxup-iss-saas--v2) .editorial-post-cta--close .btn-primary:hover,
body:has(.taxup-iss-saas--v2) .editorial-post-cta--close .btn-primary:focus-visible {
  color: #fff !important;
  background: transparent !important;
}

/* Neutraliza o padding global de <section> dentro das caixas editoriais. */
@media (max-width: 980px) {
  .taxup-iss-saas--v2 .iss-split section {
    min-height: 0;
    padding: 24px 22px !important;
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-author-box,
  body:has(.taxup-iss-saas--v2) .cluster-related-explore {
    width: auto;
    margin-right: 20px;
    margin-left: 20px;
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-author-box {
    padding: clamp(30px, 4vw, 40px) clamp(24px, 4vw, 36px) !important;
  }

  body:has(.taxup-iss-saas--v2) .cluster-related-explore {
    padding-top: 32px !important;
    padding-bottom: 24px !important;
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-cta--close {
    width: auto !important;
    margin: 12px 20px 0 !important;
    padding: clamp(36px, 5vw, 48px) clamp(24px, 4vw, 36px) !important;
  }
}

/* O post usa o canvas inteiro no desktop; o limite alto protege a leitura em telas ultrawide. */
@media (min-width: 981px) {
  body:has(.taxup-iss-saas--v2) .editorial-post-hero .institucional-hero-inner,
  body:has(.taxup-iss-saas--v2) .editorial-post-body.wrap {
    width: 100%;
    max-width: none;
    padding-right: clamp(32px, 4vw, 72px);
    padding-left: clamp(32px, 4vw, 72px);
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-layout,
  body:has(.taxup-iss-saas--v2) .editorial-post-author-box,
  body:has(.taxup-iss-saas--v2) .cluster-related-explore,
  body:has(.taxup-iss-saas--v2) .editorial-post-cta--close {
    width: 100%;
    max-width: 1760px;
    margin-right: auto;
    margin-left: auto;
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-layout {
    grid-template-columns: clamp(220px, 15vw, 250px) minmax(0, 1fr);
    gap: clamp(40px, 4vw, 72px);
  }
}

@media (min-width: 1600px) {
  .taxup-iss-saas--v2 > p:not(.post-lead),
  .taxup-iss-saas--v2 > ul,
  .taxup-iss-saas--v2 > ol {
    max-width: 1040px;
  }
}

@media (max-width: 720px) {
  body:has(.taxup-iss-saas--v2) .editorial-post-hero .institucional-h1 {
    max-width: none;
    font-size: clamp(2rem, 9.2vw, 2.7rem) !important;
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-hero-bg img {
    object-position: 82% 50% !important;
    transform: scale(1.2);
  }

  .taxup-iss-saas--v2 > h2,
  .taxup-iss-saas--v2 > h2:first-of-type,
  .taxup-theme .editorial-post-content .taxup-iss-saas--v2 > h2,
  .taxup-theme .editorial-post-content .taxup-iss-saas--v2 > h2:first-of-type {
    margin-top: 28px;
    margin-bottom: 14px;
    font-size: clamp(1.7rem, 8vw, 2.05rem);
    line-height: 1.1;
  }

  .taxup-theme .editorial-post-content .taxup-iss-saas--v2 p {
    text-align: left;
    hyphens: none;
  }

  .taxup-iss-saas--v2 .post-lead {
    padding: 21px 19px;
  }

  .taxup-iss-saas--v2 .iss-decision-rail > div,
  .taxup-iss-saas--v2 .iss-service-lanes > div,
  .taxup-iss-saas--v2 .iss-code-stack > div,
  .taxup-iss-saas--v2 .iss-doc-chain > div {
    padding-right: 20px;
    padding-left: 20px;
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-cta--close {
    width: auto !important;
    margin: 12px 20px 0 !important;
    padding: 36px 24px !important;
  }

  body:has(.taxup-iss-saas--v2) .editorial-post-cta--close .btn-primary,
  body:has(.taxup-iss-saas--v2) .editorial-post-cta--close .btn-primary--lg {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    text-align: center;
  }
}