:root {
  color-scheme: light;
  --ink: #112f36;
  --muted: #5d7379;
  --paper: #fffaf0;
  --card: #ffffff;
  --teal: #0f7771;
  --teal-dark: #06222a;
  --mint: #32c4a8;
  --gold: #f6c55f;
  --orange: #ef9c29;
  --brick: #b34826;
  --line: rgba(17, 47, 54, 0.13);
  --shadow: 0 20px 60px rgba(21, 42, 46, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

main {
  min-height: 100vh;
  overflow: hidden;
}

.hero {
  background:
    radial-gradient(circle at 74% 18%, rgba(255, 212, 121, 0.42), transparent 32rem),
    radial-gradient(circle at 10% 10%, rgba(54, 211, 176, 0.28), transparent 25rem),
    linear-gradient(135deg, #06222a 0%, #103b42 52%, #f7f1df 52%, #fffaf0 100%);
  color: white;
  padding: 24px clamp(20px, 5vw, 72px) 80px;
}

.calculator-hero {
  background:
    radial-gradient(circle at 82% 18%, rgba(246, 197, 95, 0.36), transparent 28rem),
    linear-gradient(135deg, #06222a 0%, #103b42 100%);
  color: white;
  padding: 24px clamp(20px, 5vw, 72px) 74px;
}

.calculator-hero-copy {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.calculator-hero-copy h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.calculator-hero-copy p:last-child {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.16rem;
  line-height: 1.7;
}

.top-nav,
.hero-grid,
.section,
.calculator-card,
.site-footer,
.legal-page {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0 56px;
}

.brand,
.nav-links,
.hero-actions,
.metric-row,
.resource-card,
.site-footer > div {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-size: 1.1rem;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 16px;
  background: #fff;
  color: #0e4146;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.18);
}

.nav-links {
  gap: 18px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
}

.nav-app-link {
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  color: white;
  font-weight: 850;
  padding: 9px 14px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.72fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.hero-copy h1,
.section h2,
.calculator-card h2,
.legal-page h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: 0.91;
  letter-spacing: -0.075em;
}

.section h2,
.calculator-card h2,
.legal-page h1 {
  font-size: clamp(2.2rem, 5vw, 4.9rem);
  color: var(--ink);
}

.hero-lede,
.section p,
.calculator-card p,
.legal-page p,
.feature-card,
.faq-grid p {
  color: rgba(17, 47, 54, 0.74);
  font-size: 1.08rem;
  line-height: 1.72;
}

.hero-lede {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.eyebrow {
  margin: 0 0 14px;
  color: #ceefdc;
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section .eyebrow,
.calculator-card .eyebrow,
.legal-page .updated {
  color: var(--brick);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 800;
}

.button-primary {
  background: var(--gold);
  color: #142f34;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: white;
}

.button-dark {
  border-color: rgba(17, 47, 54, 0.2);
  color: var(--ink);
}

.trust-note,
.fine-print,
.footer-disclaimer {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.9rem;
}

.hero-card {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.9);
  color: #123138;
  padding: clamp(24px, 4vw, 38px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

.metric-row {
  justify-content: space-between;
  gap: 16px;
  color: #597078;
}

.metric-row strong {
  color: #9e271b;
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.07em;
}

.metric-total {
  margin-top: 24px;
  border-top: 1px solid #dfe7e0;
  padding-top: 24px;
}

.tax-stack {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 280px;
  margin: 34px 0 6px;
  border-radius: 28px;
  background: linear-gradient(180deg, #edf9f4, #fff6de);
  padding: 18px;
}

.tax-stack span {
  display: flex;
  flex: 1;
  align-items: end;
  justify-content: center;
  min-height: 48px;
  border-radius: 18px;
  background: #cbd9df;
  color: #123138;
  font-size: 0.75rem;
  font-weight: 850;
  padding-bottom: 10px;
}

.tax-stack span:first-child {
  background: var(--brick);
  color: white;
}

.tax-stack span:nth-child(2) {
  background: var(--orange);
}

.tax-stack span:nth-child(3) {
  background: #f3cd70;
}

.tax-stack span:last-child {
  background: var(--mint);
  color: #06222a;
}

.section,
.calculator-card {
  padding: clamp(68px, 9vw, 116px) 0;
}

.calculator-card--standalone {
  margin-top: -42px;
  margin-bottom: 80px;
}

.app-jump {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  margin: -44px auto 0;
  border: 1px solid rgba(17, 47, 54, 0.13);
  border-radius: 34px;
  background:
    radial-gradient(circle at 88% 18%, rgba(246, 197, 95, 0.38), transparent 22rem),
    #ffffff;
  box-shadow: 0 26px 80px rgba(21, 42, 46, 0.16);
  padding: clamp(24px, 4vw, 42px);
  position: relative;
  z-index: 2;
}

.app-jump h2,
.app-jump p {
  margin: 0;
}

.app-jump h2 {
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.app-jump p {
  max-width: 760px;
  color: rgba(17, 47, 54, 0.72);
  font-size: 1.08rem;
  line-height: 1.65;
  margin-top: 14px;
}

.app-jump-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.split,
.app-section,
.education-section {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
}

.video-grid,
.feature-grid,
.faq-grid,
.seo-link-grid {
  display: grid;
  gap: 18px;
}

.video-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.video-card,
.feature-card,
.faq-grid article,
.seo-link-grid a,
.resource-card,
.calculator-card,
.legal-page section {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.video-card {
  min-height: 310px;
  padding: 24px;
}

.video-card span {
  color: var(--brick);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.video-card h3,
.faq-grid h3,
.resource-card h3,
.legal-page h2 {
  color: var(--ink);
  font-size: 1.35rem;
  line-height: 1.1;
}

.video-card ul {
  display: grid;
  gap: 10px;
  margin: 22px 0;
  padding-left: 18px;
  color: rgba(17, 47, 54, 0.74);
}

.video-card a,
.resource-card a,
.back-link,
.site-footer a {
  color: var(--teal);
  font-weight: 850;
}

.calculator-card {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(24px, 5vw, 52px);
  align-items: center;
  border-radius: 38px;
  background:
    radial-gradient(circle at 85% 12%, rgba(246, 197, 95, 0.28), transparent 24rem),
    #fff;
  padding: clamp(28px, 5vw, 58px);
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.calculator-grid label {
  display: grid;
  gap: 10px;
  border-radius: 22px;
  background: #f7f1df;
  color: #425960;
  font-weight: 800;
  padding: 18px;
}

.calculator-grid input {
  accent-color: #139b90;
}

.calculator-grid strong {
  color: var(--ink);
  font-size: 1.3rem;
}

.estimate-panel {
  display: grid;
  gap: 8px;
  border-radius: 28px;
  background: #103b42;
  color: white;
  padding: 26px;
}

.estimate-panel span,
.estimate-panel small {
  color: rgba(255, 255, 255, 0.7);
}

.estimate-panel strong {
  color: var(--gold);
  font-size: clamp(2.4rem, 6vw, 5rem);
  letter-spacing: -0.08em;
}

.calculator-card .button {
  width: fit-content;
}

.calculator-card .fine-print {
  color: rgba(17, 47, 54, 0.58);
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  padding: 22px;
  font-weight: 800;
}

.seo-hub {
  display: grid;
  grid-template-columns: 0.78fr 1fr;
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
}

.seo-link-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.seo-link-grid a {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.seo-link-grid strong {
  color: var(--ink);
  font-size: 1.08rem;
}

.seo-link-grid span {
  color: rgba(17, 47, 54, 0.66);
  line-height: 1.5;
}

.seo-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 8%, rgba(246, 197, 95, 0.28), transparent 26rem),
    linear-gradient(180deg, #fffaf0 0%, #f7f1df 100%);
  padding: 24px 0 82px;
}

.seo-nav,
.seo-article {
  width: min(1040px, calc(100% - 40px));
  margin-inline: auto;
}

.seo-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.seo-nav .brand {
  color: var(--ink);
}

.seo-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--teal);
  font-weight: 850;
}

.seo-article {
  margin-top: 64px;
}

.seo-article h1 {
  max-width: 880px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.seo-lede {
  max-width: 820px;
  color: rgba(17, 47, 54, 0.74);
  font-size: 1.22rem;
  line-height: 1.72;
}

.seo-article section {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  padding: 28px;
}

.seo-article h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  letter-spacing: -0.04em;
}

.seo-article p,
.seo-article li {
  color: rgba(17, 47, 54, 0.74);
  font-size: 1.06rem;
  line-height: 1.72;
}

.seo-article ul {
  display: grid;
  gap: 8px;
  padding-left: 20px;
}

.seo-disclaimer {
  border-color: rgba(179, 72, 38, 0.24) !important;
}

.resource-card {
  align-items: stretch;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
}

.faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.faq-grid article {
  padding: 24px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding: 40px 0 56px;
}

.site-footer > div {
  gap: 18px;
}

.site-footer p {
  margin: 0;
  color: rgba(17, 47, 54, 0.6);
}

.footer-disclaimer {
  grid-column: 1 / -1;
  max-width: 980px;
  color: rgba(17, 47, 54, 0.58);
}

.legal-page {
  padding: 44px 0 86px;
}

.legal-page h1 {
  max-width: 920px;
  margin-top: 28px;
}

.legal-page section {
  margin-top: 18px;
  padding: 24px 28px;
}

.legal-page h2,
.legal-page p {
  margin: 0;
}

.legal-page p + p,
.legal-page h2 + p {
  margin-top: 10px;
}

@media (max-width: 900px) {
  .hero {
    background:
      radial-gradient(circle at 80% 12%, rgba(255, 212, 121, 0.34), transparent 24rem),
      linear-gradient(180deg, #06222a 0%, #103b42 62%, #fffaf0 62%, #fffaf0 100%);
  }

  .hero-grid,
  .app-jump,
  .split,
  .app-section,
  .education-section,
  .calculator-card,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .video-grid,
  .faq-grid,
  .seo-link-grid,
  .feature-grid,
  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .site-footer > div {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-jump-actions {
    justify-content: flex-start;
  }

  .seo-hub,
  .seo-nav {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
}