/* =========================================
   Light normalize / reset
   ========================================= */
*,
*::before,
*::after { box-sizing: border-box; }

html:focus-within { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--page-bg);
  line-height: 1.55;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 12px; }
ul { margin: 0; padding-left: 18px; }
li { margin: 0 0 8px; }

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 70%, white);
  outline-offset: 2px;
}

/* =========================================
   Design tokens
   ========================================= */
:root {
  --font-head: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  --page-bg: #071d22;
  --surface: #0b2b31;
  --surface-2: #0f3b44;
  --panel: #d8eef1;

  --text: #eaf6f8;
  --text-dark: #0e2a30;
  --muted: rgba(234, 246, 248, 0.78);
  --muted-dark: rgba(14, 42, 48, 0.75);

  --accent: #1bb6c8;
  --accent-2: #19afc0;

  --border: rgba(255,255,255,0.14);
  --shadow: 0 14px 36px rgba(0,0,0,0.32);

  /* Spacing scale */
  --s-4: 4px;
  --s-8: 8px;
  --s-12: 12px;
  --s-16: 16px;
  --s-24: 24px;
  --s-32: 32px;
  --s-48: 48px;

  /* Layout */
  --container: 1180px;
  --radius: 16px;
}

/* =========================================
   Utilities
   ========================================= */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-16);
}

.muted { color: var(--muted); }
.small { font-size: 0.92rem; }

.h1, .h2, .h3 {
  font-family: var(--font-head);
  margin: 0 0 var(--s-12);
  letter-spacing: -0.02em;
}
.h1 { font-size: clamp(1.8rem, 1.2rem + 2vw, 3rem); }
.h2 { font-size: clamp(1.25rem, 1rem + 1.2vw, 2rem); }
.h3 { font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.35rem); }

.lead {
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.15rem);
  color: var(--muted);
  margin-bottom: var(--s-16);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: white;
  color: black;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 9999;
}
.skip-link:focus { left: 12px; }

/* =========================================
   Header (fixed)
   ========================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 80%, black);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-16);
  padding: var(--s-12) var(--s-16);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-12);
  min-width: 220px;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), rgba(27,182,200,0.25));
  box-shadow: 0 10px 24px rgba(27,182,200,0.25);
}

.brand-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.98rem;
  line-height: 1.1;
}

.brand-subtitle {
  display: block;
  font-size: 0.88rem;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: var(--s-12);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 0.95rem;
}
.nav a:hover {
  border-color: var(--border);
  color: var(--text);
}

/* =========================================
   Summary
   ========================================= */
.summary {
  padding: calc(var(--s-48) + var(--s-16)) 0 var(--s-32);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(27,182,200,0.16), transparent 70%),
              linear-gradient(180deg, #061a1f 0%, #071d22 70%);
  border-bottom: 1px solid var(--border);
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-12);
  margin-top: var(--s-16);
}

.summary-item {
  display: block;
  padding: var(--s-12) var(--s-16);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--muted);
}
.summary-item:hover {
  color: var(--text);
  border-color: rgba(27,182,200,0.38);
  box-shadow: 0 12px 28px rgba(0,0,0,0.28);
}

/* =========================================
   Slide base
   ========================================= */
.slide {
  padding: var(--s-48) 0;
}

.slide-header {
  margin-bottom: var(--s-16);
}

.slide-inner {
  display: grid;
  gap: var(--s-24);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-24);
}

.content {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--s-24);
  box-shadow: 0 10px 26px rgba(0,0,0,0.22);
}

.slide-dark .content {
  background: rgba(0,0,0,0.18);
}

/* =========================================
   Hero slide
   ========================================= */
.slide-hero .slide-inner {
  grid-template-columns: 1fr;
  align-items: center;
}

.hero-card {
  padding: var(--s-24);
  border-radius: var(--radius);
  border: 1px solid rgba(27,182,200,0.28);
  background: radial-gradient(900px 500px at 20% 10%, rgba(27,182,200,0.20), transparent 65%),
              rgba(255,255,255,0.03);
  box-shadow: var(--shadow);
}

.kicker {
  margin: 0 0 var(--s-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.86rem;
  color: var(--muted);
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 800;
  margin: 0 0 var(--s-12);
  font-size: clamp(2.2rem, 1.5rem + 3vw, 3.4rem);
  line-height: 1.05;
}

.accent { color: var(--accent); }

.slide-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.slide-figure figcaption {
  font-size: 0.9rem;
  color: var(--muted);
  padding: 10px 12px;
  background: rgba(0,0,0,0.22);
}

/* =========================================
   Bullets & callouts
   ========================================= */
.bullets { margin-top: var(--s-12); }
.bullets.compact li { margin-bottom: 6px; }

.callout {
  margin: var(--s-16) 0;
  padding: var(--s-16);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
}

.callout-accent {
  border-color: rgba(27,182,200,0.32);
  background: linear-gradient(90deg, rgba(27,182,200,0.22), rgba(255,255,255,0.03));
}

.callout-warning {
  border-color: rgba(255, 193, 7, 0.35);
  background: linear-gradient(90deg, rgba(255,193,7,0.18), rgba(255,255,255,0.03));
}

/* =========================================
   Cards
   ========================================= */
.cards-2, .cards-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-16);
}

.card {
  position: relative;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--s-24);
  box-shadow: 0 10px 26px rgba(0,0,0,0.22);
}

.card-badge {
  position: absolute;
  top: var(--s-16);
  left: var(--s-16);
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--text-dark);
  background: linear-gradient(135deg, var(--accent), rgba(27,182,200,0.30));
}

.card h3 { margin-top: 34px; }

.callout-card {
  border-color: rgba(27,182,200,0.30);
  background: radial-gradient(700px 280px at 20% 0%, rgba(27,182,200,0.18), transparent 60%),
              rgba(255,255,255,0.03);
}

/* =========================================
   Media
   ========================================= */
.media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: rgba(0,0,0,0.15);
}
.media figcaption {
  padding: 10px 12px;
  font-size: 0.92rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.22);
}

.framed { background: rgba(255,255,255,0.02); }

.media-toggle {
  margin-top: var(--s-16);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: var(--s-12) var(--s-16);
  background: rgba(255,255,255,0.03);
}
.media-toggle summary {
  cursor: pointer;
  color: var(--muted);
}
.media-toggle[open] summary { color: var(--text); }

/* =========================================
   Mini metrics (page 07)
   ========================================= */
.mini-metrics {
  display: grid;
  gap: var(--s-12);
  margin-top: var(--s-12);
}
.metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--s-12) var(--s-16);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.10);
}
.metric-label { color: var(--muted); }
.metric-value {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.metric.total {
  border-color: rgba(27,182,200,0.30);
  background: linear-gradient(90deg, rgba(27,182,200,0.20), rgba(0,0,0,0.10));
}

/* =========================================
   Calculations
   ========================================= */
.calc {
  margin-top: var(--s-12);
  padding: var(--s-16);
  border-radius: 14px;
  background: rgba(0,0,0,0.14);
  border: 1px solid rgba(255,255,255,0.12);
}
.calc p { margin-bottom: 10px; }

/* =========================================
   Timeline
   ========================================= */
.timeline {
  display: grid;
  gap: var(--s-12);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-8);
  padding: var(--s-16);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}
.timeline-year {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.01em;
  background: rgba(27,182,200,0.18);
  border: 1px solid rgba(27,182,200,0.28);
}
.timeline-body p { margin: 0 0 10px; }

/* =========================================
   Tables (responsive wrapper)
   ========================================= */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  box-shadow: 0 10px 26px rgba(0,0,0,0.22);
  margin: var(--s-16) 0;
}

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

.table th, .table td {
  padding: 12px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  vertical-align: top;
  text-align: left;
}

.table th {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--text);
  background: rgba(0,0,0,0.18);
}

.table td { color: var(--muted); }

/* =========================================
   Footnote / base legal
   ========================================= */
.footnote {
  margin-top: var(--s-16);
  color: var(--muted);
  font-size: 0.96rem;
}

.base-legal {
  margin-top: var(--s-16);
  color: var(--muted);
  font-size: 0.95rem;
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--s-32) 0;
  background: rgba(0,0,0,0.18);
}
.footer-inner { display: grid; gap: 8px; }

/* =========================================
   Breakpoints (mobile-first)
   ========================================= */
@media (min-width: 768px) {
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1.2fr 0.8fr; align-items: start; }
  .cards-2 { grid-template-columns: 1fr 1fr; }
  .cards-4 { grid-template-columns: 1fr 1fr; }
  .slide-hero .slide-inner { grid-template-columns: 0.95fr 1.05fr; }
  .timeline-item { grid-template-columns: 220px 1fr; align-items: start; }
}

@media (min-width: 1024px) {
  .summary-grid { grid-template-columns: 1fr 1fr 1fr; }
  .cards-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
}

@media (max-width: 480px) {
  .nav { display: none; } /* sem JS: mantém simples; navegação completa no sumário */
  .header-inner { justify-content: flex-start; }
}

.tax-card{
display:flex;
flex-direction:column;
align-items:center;
justify-content:center;
padding:14px;
border-radius:14px;
border:1px solid #e2e8f0;
background:white;
transition:all .25s;
}

.tax-card:hover{
transform:translateY(-3px);
box-shadow:0 6px 18px rgba(0,0,0,0.06);
}

.tax-name{
font-weight:600;
font-size:14px;
color:#0f172a;
}

.tax-type{
font-size:11px;
color:#64748b;
margin-top:2px;
}

.highlight{
border:1px solid #93c5fd;
background:#dbeafe;
}

.tax-box{
display:flex;
flex-direction:column;
gap:6px;

padding:18px;

border-radius:16px;
border:1px solid #e2e8f0;

background:#f8fafc;

transition:all .25s ease;
}

.tax-box:hover{
transform:translateY(-4px);
box-shadow:0 8px 20px rgba(0,0,0,0.06);
background:white;
}

.tax-title{
font-size:15px;
font-weight:600;
color:#0f172a;
}

.tax-sub{
font-size:12px;
color:#64748b;
line-height:1.4;
}

.tax-type{
margin-top:6px;
font-size:11px;
font-weight:600;
text-transform:uppercase;
letter-spacing:.05em;
color:#2563eb;
}

.cta-primary{
display:inline-flex;
align-items:center;
justify-content:center;

padding:14px 28px;

border-radius:999px;

background:white;
color:#1e3a8a;

font-weight:600;
font-size:14px;

transition:all .25s ease;
}

.cta-primary:hover{
transform:translateY(-3px);
box-shadow:0 10px 25px rgba(0,0,0,0.25);
background:#f1f5f9;
}


.cta-secondary{
display:inline-flex;
align-items:center;
justify-content:center;

padding:14px 28px;

border-radius:999px;

border:1px solid rgba(255,255,255,.4);

font-weight:600;
font-size:14px;

transition:all .25s ease;
}

.cta-secondary:hover{
background:rgba(255,255,255,.08);
transform:translateY(-2px);
}