:root {
  --navy: #0b253b;
  --navy-2: #123b57;
  --ink: #132434;
  --muted: #5e6f7b;
  --paper: #faf9f5;
  --white: #ffffff;
  --line: #d9e2e5;
  --soft: #eef3f2;
  --green: #67ad43;
  --green-deep: #347a42;
  --blue: #4472c4;
  --yellow: #f8b900;
  --orange: #ed7d31;
  --gray: #8d969d;
  --red: #a52f2f;
  --shadow: 0 30px 80px rgba(9, 37, 59, .14);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { max-width: 100%; scroll-behavior: smooth; overflow-x: hidden; }
body {
  max-width: 100%;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Aptos, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.08;
  letter-spacing: -.025em;
}
h1 { font-size: clamp(2.85rem, 6vw, 5.6rem); max-width: 850px; margin-bottom: 25px; }
h2 { font-size: clamp(2.05rem, 4vw, 3.9rem); }
h3 { font-size: 1.25rem; }
.section { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; background: #fff; color: #000; }
.skip-link:focus { top: 16px; }

.site-header {
  width: min(1240px, calc(100% - 32px));
  min-height: 76px;
  margin: 16px auto 0;
  padding: 10px 18px 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 12px;
  z-index: 20;
  border: 1px solid rgba(217, 226, 229, .9);
  border-radius: 18px;
  background: rgba(250, 249, 245, .96);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 36px rgba(10, 36, 55, .07);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: -.03em; }
.brand > span:last-child > span { color: var(--green-deep); }
.brand-symbol { display: grid; place-items: center; width: 45px; height: 45px; border-radius: 13px; background: var(--navy); color: #fff; font-size: .75rem; letter-spacing: .04em; }
.main-nav { display: flex; align-items: center; gap: 25px; color: #40515e; font-size: .92rem; font-weight: 700; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--green-deep); }
.nav-cta { padding: 11px 17px; border-radius: 10px; background: var(--navy); color: #fff !important; }
.menu-button { display: none; border: 0; background: var(--navy); color: #fff; border-radius: 9px; padding: 8px 12px; }

.hero { min-height: 730px; padding: 82px 0 96px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 50px; align-items: center; }
.hero > *, .problem-grid > *, .offer-grid > *, .content-grid > * { min-width: 0; }
.status { display: inline-flex; align-items: center; gap: 9px; background: #ecf4ef; border: 1px solid #d6e7dc; border-radius: 999px; padding: 8px 12px; color: #315c43; font-weight: 700; font-size: .8rem; margin-bottom: 25px; }
.status span { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(103, 173, 67, .13); }
.eyebrow { color: var(--green-deep); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 800; margin-bottom: 16px; }
.eyebrow.light { color: #e4f5e9; }
.hero-lead { font-size: 1.2rem; color: var(--muted); max-width: 680px; margin-bottom: 31px; }
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 13px 20px; border: 0; border-radius: 11px; font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #f4bd34; outline-offset: 3px; }
.primary { background: var(--green-deep); color: #fff; box-shadow: 0 16px 34px rgba(52, 122, 66, .2); }
.secondary { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.text-button { padding-left: 0; min-height: auto; border-bottom: 1px solid var(--ink); border-radius: 0; background: transparent; }
.full { width: 100%; }
.microproof { display: flex; gap: 22px; flex-wrap: wrap; padding: 0; margin: 34px 0 0; list-style: none; color: #52636f; font-size: .86rem; }
.microproof li::before { content: "✓"; color: var(--green-deep); font-weight: 900; margin-right: 7px; }

.product-stage { position: relative; min-height: 530px; display: grid; place-items: center; }
.glow { position: absolute; width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, #d5eadf 0, rgba(213, 234, 223, .45) 45%, transparent 68%); }
.workbook { position: relative; z-index: 2; width: 710px; background: #fff; border: 1px solid #d8e0e3; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); transform: perspective(1400px) rotateY(-8deg) rotateX(3deg) scale(.77); transform-origin: center; }
.workbook-top { height: 54px; padding: 0 18px; display: flex; align-items: center; gap: 15px; background: #f1f4f5; border-bottom: 1px solid #d8e0e3; font-size: .85rem; color: #50616e; }
.workbook-top b { margin-left: auto; color: #267244; }
.traffic { display: flex; gap: 6px; }.traffic i { width: 9px; height: 9px; border-radius: 50%; background: #cbd3d7; }
.formula-bar { display: flex; gap: 8px; padding: 8px 14px; background: #fff; border-bottom: 1px solid #e3e8ea; font-size: .75rem; color: #71808a; }.formula-bar span { font-style: italic; font-weight: 700; }.formula-bar div { width: 100%; border: 1px solid #dfe5e8; border-radius: 4px; padding: 2px 8px; }
.sheet-title { background: var(--green); color: #fff; font-weight: 800; text-align: center; padding: 13px; }
.legend-row { display: grid; grid-template-columns: repeat(4, 1fr); font-size: .75rem; font-weight: 800; text-align: center; }.legend-row span { padding: 8px 4px; background: #f5f5f5; }.legend-row .blue { color: #196cb1; }.legend-row .green { color: #347a42; }.legend-row .yellow { color: #8a6200; }.legend-row .gray { color: #666; }
.sheet-grid { display: grid; grid-template-columns: repeat(9, minmax(78px, 1fr)); font-size: .75rem; }.sheet-grid > div { height: 38px; display: flex; align-items: center; padding: 5px; border-right: 1px solid #e1e6e8; border-bottom: 1px solid #e1e6e8; white-space: nowrap; overflow: hidden; }.sheet-grid .th { height: 52px; justify-content: center; color: #fff; text-align: center; font-weight: 800; }.sheet-grid .blue { background: var(--blue); }.sheet-grid .green { background: var(--green); }.sheet-grid .yellow { background: var(--yellow); color: #332600; }.sheet-grid .orange { background: var(--orange); }.sheet-grid .gray { background: var(--gray); }.sheet-grid .empty { height: 34px; }
.tabs { display: flex; gap: 3px; background: #eff2f3; padding: 8px 9px 0; font-size: .75rem; }.tabs span { padding: 8px 12px; background: #fff; border: 1px solid #dce3e5; border-bottom: 0; }.tabs .active { color: var(--green-deep); font-weight: 800; border-top: 3px solid var(--green); }
.floating-card { position: absolute; z-index: 3; background: #fff; border: 1px solid var(--line); border-radius: 15px; box-shadow: 0 18px 50px rgba(8, 33, 52, .16); }.card-iva { right: -8px; top: 47px; padding: 17px 20px; width: 205px; }.card-iva span, .card-iva small { display: block; color: var(--muted); font-size: .75rem; }.card-iva strong { display: block; color: var(--green-deep); margin: 3px 0; }.card-local { left: -5px; bottom: 47px; padding: 14px 17px; display: flex; align-items: center; gap: 11px; }.card-local > span { width: 31px; height: 31px; display: grid; place-items: center; border-radius: 50%; background: #cfece3; color: var(--green-deep); font-weight: 900; }.card-local strong, .card-local small { display: block; }.card-local strong { font-size: .82rem; }.card-local small { font-size: .75rem; color: var(--muted); }

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px max(20px, calc((100% - var(--max)) / 2)); display: flex; justify-content: space-between; align-items: center; gap: 30px; color: #52636f; }.trust-strip p { margin: 0; font-size: 1rem; }.trust-strip div { display: flex; gap: 28px; flex-wrap: wrap; }.trust-strip span { font-size: .875rem; letter-spacing: .1em; font-weight: 800; color: #52636f; }
.problem-grid { padding: 120px 0; display: grid; grid-template-columns: .95fr 1.05fr; gap: 90px; }.section-heading h2 { margin-bottom: 20px; }.narrow { max-width: 780px; }.problem-list article { display: grid; grid-template-columns: 55px 1fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid var(--line); }.problem-list article:first-child { padding-top: 0; }.problem-list article > span { font-weight: 800; color: var(--green-deep); font-size: .82rem; }.problem-list h3 { margin-bottom: 8px; }.problem-list p { margin: 0; color: var(--muted); }
.feature-section { background: var(--navy); color: #fff; }.feature-inner { padding: 110px 0; }.feature-section h2 { color: #fff; }.feature-section .section-heading > p:not(.eyebrow) { color: #bed0da; font-size: 1.08rem; }.color-system { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 50px; }.color-card { min-height: 270px; padding: 25px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 16px; background: rgba(255, 255, 255, .05); }.color-card i { display: block; width: 48px; height: 48px; border-radius: 12px; margin-bottom: 38px; }.color-card > span { font-size: .75rem; font-weight: 800; letter-spacing: .13em; color: #afc1cc; }.color-card h3 { color: #fff; margin: 9px 0; }.color-card p { color: #bdcbd3; font-size: .92rem; }.color-card.manual i { background: var(--blue); }.color-card.automatic i { background: var(--green); }.color-card.dropdown i { background: var(--yellow); }.color-card.calculated i { background: var(--gray); }
.steps { padding: 120px 0; }.steps ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; list-style: none; padding: 0; margin: 50px 0 0; }.steps li { padding: 27px; border-top: 4px solid var(--green); background: #fff; box-shadow: 0 16px 50px rgba(9, 37, 59, .07); }.steps li > span { display: inline-grid; place-items: center; width: 34px; height: 34px; background: #e4f1e8; border-radius: 50%; color: var(--green-deep); font-weight: 900; margin-bottom: 34px; }.steps h3 { margin-bottom: 10px; }.steps p { color: var(--muted); margin: 0; }

.offer-section { padding: 0 0 120px; }.offer-grid { background: #e7f1eb; border: 1px solid #ccdfd3; border-radius: 26px; padding: 58px; display: grid; grid-template-columns: 1.1fr .75fr; gap: 64px; align-items: center; }.offer-copy > p:not(.eyebrow) { color: #53685b; }.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; padding: 0; list-style: none; margin: 28px 0 0; }.feature-list li { position: relative; padding-left: 22px; font-size: .92rem; }.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green-deep); font-weight: 900; }.offer-box { background: #fff; border: 1px solid #ccd9d0; border-radius: 20px; padding: 30px; box-shadow: 0 24px 60px rgba(31, 75, 45, .12); }.offer-label { font-size: .75rem; letter-spacing: .13em; font-weight: 800; color: var(--green-deep); }.offer-box h3 { font-size: 1.65rem; margin: 12px 0 4px; }.offer-note { color: var(--muted); font-size: .88rem; }.price { font-family: Georgia, "Times New Roman", serif; font-size: 2.45rem; font-weight: 800; margin: 22px 0 4px; }.tax-note { color: var(--muted); font-size: .78rem; margin-bottom: 20px; }.checkout-status { display: none; margin: 14px 0 0; padding: 12px; border-radius: 9px; background: #fff5d7; color: #684d00; font-size: .83rem; }.checkout-status.visible { display: block; }.offer-box small { display: block; color: #68786f; font-size: .75rem; margin-top: 14px; }.specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 34px 0 0; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }.spec { background: #fff; padding: 18px; }.spec strong { display: block; font-size: .78rem; color: var(--navy); }.spec span { display: block; color: var(--muted); font-size: .84rem; margin-top: 4px; }.notice-box { padding: 18px 20px; background: #f7f2df; border: 1px solid #eadca7; border-radius: 12px; color: #55481f; }.notice-box strong { color: #332800; }

.faq { padding-bottom: 120px; }.accordion { margin-top: 42px; border-top: 1px solid var(--line); }.accordion details { border-bottom: 1px solid var(--line); }.accordion summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 25px 4px; cursor: pointer; list-style: none; font-weight: 800; }.accordion summary::-webkit-details-marker { display: none; }.accordion summary span { font-size: 1.5rem; color: var(--green-deep); transition: .2s; }.accordion details[open] summary span { transform: rotate(45deg); }.accordion details p { max-width: 840px; color: var(--muted); padding: 0 4px 24px; margin: 0; }.editorial-cta { background: var(--green-deep); color: #fff; }.editorial-cta .section { padding: 72px 0; }.editorial-cta h2 { color: #fff; max-width: 850px; }.light-button { margin-top: 12px; background: #fff; color: var(--green-deep); }

.page-hero { padding: 90px 0 48px; max-width: 920px; }.page-hero h1 { font-size: clamp(2.7rem, 5vw, 4.8rem); }.page-hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 760px; }.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 64px; padding-bottom: 110px; }.prose { max-width: 800px; }.prose h2 { margin-top: 45px; font-size: 2rem; }.prose h3 { margin-top: 30px; }.prose a { color: var(--green-deep); text-decoration: underline; text-underline-offset: 3px; }.prose li { margin: 7px 0; }.prose table { width: 100%; border-collapse: collapse; margin: 24px 0; }.prose th, .prose td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }.prose th { color: var(--navy); }.sidebar-card { align-self: start; position: sticky; top: 110px; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 15px; }.sidebar-card h3 { margin-bottom: 10px; }.sidebar-card p { color: var(--muted); }.legal-meta { color: var(--muted); font-size: .88rem; }.pending-field { background: #fff2c8; border-radius: 4px; padding: 1px 5px; color: #6b4d00; font-weight: 700; }.form { display: grid; gap: 18px; }.form label { display: grid; gap: 7px; font-weight: 700; }.form input, .form textarea, .form select { width: 100%; padding: 12px 13px; border: 1px solid #bdcbd1; border-radius: 9px; background: #fff; color: var(--ink); }.form textarea { min-height: 180px; resize: vertical; }.form small { color: var(--muted); }.article-list { display: grid; gap: 18px; margin-top: 35px; }.article-card { display: block; padding: 25px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }.article-card:hover { border-color: #a7c4af; }.article-card h2 { font-size: 1.6rem; margin-bottom: 8px; }.article-card p { color: var(--muted); margin: 0; }
.legal-blocker { margin: 0 0 35px; padding: 18px 20px; border: 1px solid #dfb155; border-left: 5px solid #c17a00; border-radius: 10px; background: #fff4d7; color: #5d430e; }
.legal-blocker.resolved { display: none; }
.article-kicker { color: var(--green-deep); font-size: .75rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.article-hero { max-width: 1000px; }
.article-body > p:first-child { font-size: 1.18rem; color: #3e505d; }
.article-note { margin: 30px 0; padding: 21px 23px; border-left: 5px solid var(--green); background: #edf5ef; color: #34523d; }
.article-cta { margin-top: 48px; padding: 30px; border-radius: 18px; background: var(--navy); color: #fff; }
.article-cta h3 { color: #fff; font-size: 1.65rem; margin: 0 0 8px; }
.article-cta p { color: #c3d2da; }
.article-toc ol { padding-left: 20px; color: var(--muted); }
.article-toc li { margin: 8px 0; }
.completion-page { min-height: 100vh; display: grid; place-items: center; padding: 28px; background: radial-gradient(circle at top, #e3f0e8, var(--paper) 55%); }
.completion-card { width: min(680px, 100%); padding: 46px; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.completion-card h1 { font-size: clamp(2.5rem, 6vw, 4.2rem); margin: 24px 0 18px; }
.completion-card .button { margin-top: 26px; }
.completion-icon { display: grid; place-items: center; width: 58px; height: 58px; margin-top: 42px; border-radius: 50%; background: #dff0e4; color: var(--green-deep); font-size: 1.6rem; font-weight: 900; }

.site-footer { background: #081e30; color: #aebdc7; padding: 68px max(20px, calc((100% - var(--max)) / 2)) 25px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; }.brand.inverse { color: #fff; }.brand.inverse .brand-symbol { background: var(--green-deep); }.brand.inverse > span:last-child > span { color: #d5f0dd; }.footer-main p { max-width: 440px; margin-top: 20px; }.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; }.footer-links div { display: flex; flex-direction: column; gap: 10px; }.footer-links strong { color: #fff; margin-bottom: 5px; }.footer-links a:hover { color: #fff; }.footer-bottom { grid-column: 1 / -1; border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; font-size: .78rem; }.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; padding-top: 65px; }.product-stage { min-height: 480px; }.problem-grid { gap: 45px; }.color-system { grid-template-columns: repeat(2, 1fr); }.specs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .site-header { min-height: 66px; }.menu-button { display: block; }.main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--paper); padding: 18px; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 5px; }.main-nav.open { display: flex; }.main-nav a { padding: 10px; }
  .hero { padding: 58px 0 70px; }.hero-copy h1 { font-size: clamp(2.6rem, 13vw, 4.4rem); }.hero-actions { flex-direction: column; align-items: stretch; }.hero-actions .text-button { align-self: flex-start; width: auto; }.product-stage { width: 100%; min-height: 380px; overflow: hidden; }.workbook { position: absolute; left: 50%; top: 50%; width: 660px; transform: translate(-50%, -50%) scale(.49); }.card-iva { right: 0; top: 28px; }.card-local { left: 0; bottom: 28px; }.trust-strip { align-items: flex-start; flex-direction: column; }
  .problem-grid, .offer-grid, .content-grid { grid-template-columns: 1fr; }.problem-grid, .feature-inner, .steps { padding-top: 82px; padding-bottom: 82px; }.color-system, .steps ol { grid-template-columns: 1fr; }.offer-grid { padding: 32px 24px; gap: 35px; }.feature-list { grid-template-columns: 1fr; }.specs { grid-template-columns: 1fr; }.sidebar-card { position: static; }.site-footer { grid-template-columns: 1fr; gap: 40px; }.footer-bottom { flex-direction: column; gap: 6px; }.microproof { gap: 12px 20px; }.prose table { display: block; overflow-x: auto; }.completion-card { padding: 30px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }.reveal { opacity: 1; transform: none; transition: none; }.button { transition: none; }
}