:root {
  --bg: #f5f7f6;
  --surface: #ffffff;
  --surface-soft: #eef4f1;
  --text: #17211b;
  --muted: #56645d;
  --border: #dbe4df;
  --primary: #147a56;
  --primary-dark: #0f5d44;
  --accent: #c94343;
  --gold: #c88912;
  --shadow: 0 10px 28px rgba(19, 35, 27, 0.08);
  --radius: 8px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

img,
canvas,
svg {
  max-width: 100%;
}

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

a:hover {
  text-decoration: underline;
}

button,
input,
select {
  font: inherit;
}

code {
  background: #eef4f1;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}

.skip-link {
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  left: 1rem;
  padding: 0.6rem 0.8rem;
  position: absolute;
  top: -5rem;
  z-index: 20;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  margin: 0 auto;
  max-width: var(--container);
  padding: 0 1rem;
  width: 100%;
}

.site-header {
  background: #102017;
  color: #ffffff;
}

.topbar {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--container);
  padding: 0.9rem 1rem;
}

.brand {
  font-weight: 800;
}

.nav-links {
  background: #102017;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.6rem;
  position: absolute;
  right: 1rem;
  top: 3.75rem;
  z-index: 10;
}

.nav-links.is-open {
  display: flex;
}

.nav-links a {
  border-radius: 6px;
  color: #eef8f2;
  padding: 0.45rem 0.6rem;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.menu-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  color: #ffffff;
  cursor: pointer;
  padding: 0.45rem 0.7rem;
}

.hero {
  background:
    linear-gradient(90deg, rgba(13, 25, 18, 0.88), rgba(13, 25, 18, 0.64)),
    url("https://commons.wikimedia.org/wiki/Special:Redirect/file/La_Boca,_Buenos_Aires,_Argentina_(Unsplash).jpg?width=1600") center / cover no-repeat;
  min-height: 520px;
  padding: 3rem 0 4rem;
}

.hero-content {
  max-width: 860px;
}

.kicker {
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 800;
  margin: 0 0 0.55rem;
  text-transform: uppercase;
}

.hero .kicker {
  color: #a7f0c8;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: 2.45rem;
  max-width: 820px;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.18rem;
}

.hero-lead {
  color: #e8f3ec;
  font-size: 1.12rem;
  margin: 1.1rem 0 0;
  max-width: 720px;
}

.hero-meta {
  color: #d9efe2;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 1.25rem 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 46px;
  padding: 0.72rem 1rem;
  text-decoration: none;
}

.button:hover {
  text-decoration: none;
}

.button-primary {
  background: var(--primary);
  color: #ffffff;
}

.button-primary:hover {
  background: var(--primary-dark);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.section {
  padding: 3.5rem 0;
}

.section-heading {
  max-width: 780px;
}

.section-heading p {
  color: var(--muted);
  margin: 0.8rem 0 0;
}

.metric-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-height: 154px;
  padding: 1.1rem;
}

.metric-card span {
  color: var(--muted);
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  font-size: 2.1rem;
  line-height: 1.1;
  margin-top: 0.65rem;
}

.metric-card small {
  color: var(--muted);
  display: block;
  margin-top: 0.55rem;
}

.metric-card .positive {
  color: var(--accent);
}

.metric-card .neutral {
  color: var(--primary);
}

.skeleton {
  color: var(--muted);
}

.source-note {
  background: var(--surface-soft);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  color: var(--text);
  margin: 1.2rem 0 0;
  padding: 0.9rem 1rem;
}

.ad-slot {
  align-items: center;
  background: #ffffff;
  border: 1px dashed #aebbb4;
  border-radius: var(--radius);
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  justify-content: center;
  min-height: 112px;
  padding: 1rem;
  text-align: center;
}

.split-section {
  display: grid;
  gap: 1.5rem;
}

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

caption {
  color: var(--muted);
  font-weight: 700;
  padding: 1rem;
  text-align: left;
}

th,
td {
  border-top: 1px solid var(--border);
  padding: 0.85rem;
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

thead th {
  background: #eef4f1;
  color: #24312a;
  font-size: 0.9rem;
}

.chart-area {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.chart-header {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.chart-unit {
  color: var(--muted);
  margin: 0;
}

#inflationChart {
  display: block;
  height: 340px;
  width: 100%;
}

.info-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

.info-grid article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
}

.info-grid p {
  color: var(--muted);
  margin: 0.65rem 0 0;
}

.tool-section {
  border-top: 1px solid var(--border);
}

.inflation-tool-section {
  padding-bottom: 2rem;
}

.installments-tool-section {
  padding-top: 2.75rem;
}

.tool-layout {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

.tool-form,
.result-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.tool-form {
  display: grid;
  gap: 0.75rem;
}

.tool-form label,
.tool-form legend {
  font-weight: 800;
}

.tool-form input,
.tool-form select {
  background: #ffffff;
  border: 1px solid #bdcbc4;
  border-radius: var(--radius);
  color: var(--text);
  min-height: 46px;
  padding: 0.65rem 0.75rem;
  width: 100%;
}

.tool-form input:focus,
.tool-form select:focus,
.button:focus,
.menu-toggle:focus {
  outline: 3px solid rgba(20, 122, 86, 0.28);
  outline-offset: 2px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0;
  padding: 0.9rem;
}

.radio-option {
  align-items: center;
  display: flex;
  gap: 0.55rem;
  margin-top: 0.45rem;
}

.radio-option input {
  min-height: auto;
  width: auto;
}

.help-text,
.result-panel p {
  color: var(--muted);
  margin: 0.4rem 0 0;
}

.result-grid {
  border-top: 1px solid var(--border);
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
  margin-top: 1rem;
}

.result-item {
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 0;
}

.result-item span {
  color: var(--muted);
  display: block;
  font-size: 0.92rem;
}

.result-item strong {
  display: block;
  font-size: 1.3rem;
  margin-top: 0.25rem;
}

.example-strip {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-top: 1rem;
}

.example-strip span {
  background: var(--surface-soft);
  border-radius: var(--radius);
  color: #23352b;
  font-weight: 700;
  padding: 0.75rem 0.9rem;
}

.mini-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 1rem;
  max-height: 360px;
  overflow: auto;
}

.mini-table-wrap table {
  min-width: 520px;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  color: var(--muted);
  margin: 0.7rem 0 0;
}

.source-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 1.5rem;
  padding: 1rem;
}

.source-list p {
  margin: 0.6rem 0;
}

.site-footer {
  background: #102017;
  color: #e8f3ec;
  padding: 2rem 0;
}

.footer-grid {
  display: grid;
  gap: 1rem;
}

.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer-note,
.footer-grid p {
  color: #c7d8ce;
  margin: 0.4rem 0 0;
}

.error-message {
  background: #fff0f0;
  border: 1px solid #e6b7b7;
  border-radius: var(--radius);
  color: #7d2020;
  margin-top: 1rem;
  padding: 1rem;
}

@media (min-width: 720px) {
  .container {
    padding: 0 1.5rem;
  }

  .menu-toggle {
    display: none;
  }

  .nav-links {
    align-items: center;
    background: transparent;
    border: 0;
    display: flex;
    flex-direction: row;
    gap: 0.35rem;
    padding: 0;
    position: static;
  }

  .hero {
    min-height: 560px;
    padding: 4.5rem 0 5rem;
  }

  h1 {
    font-size: 3.55rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .hero-lead {
    font-size: 1.22rem;
  }

  .hero-meta {
    flex-direction: row;
    gap: 1rem;
  }

  .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .tool-layout {
    align-items: start;
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  }

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

  .example-strip {
    flex-direction: row;
  }

  .chart-header {
    align-items: center;
    flex-direction: row;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .split-section {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4.5rem 0;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 2.05rem;
  }

  h2 {
    font-size: 1.55rem;
  }

  .metric-card strong {
    font-size: 1.75rem;
  }
}