/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-4); }
.logo { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); color: var(--color-primary); }
.logo svg { width: 34px; height: 34px; }

.main-nav { display: none; }
.main-nav ul { display: flex; align-items: center; gap: var(--space-6); }
.main-nav a { font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted); position: relative; padding-block: var(--space-1); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-primary); }
.main-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--color-primary); border-radius: var(--radius-full); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle, .menu-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-md); color: var(--color-text-muted); }
.theme-toggle:hover, .menu-toggle:hover { background: var(--color-surface); color: var(--color-primary); }
.menu-toggle { display: flex; }

@media (min-width: 1024px) {
  .main-nav { display: block; }
  .menu-toggle { display: none; }
}

/* mobile drawer */
.mobile-nav { position: fixed; inset: 0; z-index: 200; background: color-mix(in oklab, var(--color-bg) 97%, transparent); backdrop-filter: blur(6px); display: flex; flex-direction: column; padding: var(--space-6); transform: translateX(100%); transition: transform 320ms cubic-bezier(0.16,1,0.3,1); }
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-top { display: flex; justify-content: flex-end; margin-bottom: var(--space-8); }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-2); overflow-y: auto; }
.mobile-nav a { display: block; padding: var(--space-3) var(--space-2); font-size: var(--text-lg); font-family: var(--font-display); color: var(--color-text); border-bottom: 1px solid var(--color-divider); }
.mobile-nav a:hover { color: var(--color-primary); }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-3) var(--space-6); border-radius: var(--radius-md); font-size: var(--text-sm); font-weight: 600; white-space: nowrap; }
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--color-primary); border: 1px solid var(--color-border); }
.btn-ghost:hover { background: var(--color-surface); border-color: var(--color-primary); }

/* ===== HERO ===== */
.hero { position: relative; padding-block: clamp(var(--space-16), 10vw, var(--space-32)); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-active) 100%); z-index: -1; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 80% 20%, oklch(1 0 0 / 0.08), transparent 60%); }
.hero .eyebrow { color: color-mix(in oklab, white 75%, transparent); font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-4); }
.hero h1 { color: white; font-size: var(--text-2xl); max-width: 20ch; margin-bottom: var(--space-6); }
.hero p { color: color-mix(in oklab, white 85%, transparent); font-size: var(--text-lg); max-width: 60ch; }

.page-hero { padding-block: clamp(var(--space-12), 8vw, var(--space-20)); background: var(--color-surface); border-bottom: 1px solid var(--color-divider); }
.page-hero .eyebrow { color: var(--color-primary); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-3); }
.page-hero h1 { font-size: var(--text-xl); max-width: 28ch; }
.page-hero p { color: var(--color-text-muted); margin-top: var(--space-4); max-width: 65ch; font-size: var(--text-base); }

/* ===== SECTIONS ===== */
.section { padding-block: clamp(var(--space-12), 6vw, var(--space-24)); }
.section-tight { padding-block: clamp(var(--space-8), 4vw, var(--space-16)); }
.section-title { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.section-lead { color: var(--color-text-muted); font-size: var(--text-base); max-width: 65ch; margin-bottom: var(--space-10); }
.section-alt { background: var(--color-surface); }

/* ===== CARDS ===== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: var(--space-6); }
.card { display: flex; flex-direction: column; background: var(--color-bg); border: 1px solid var(--color-divider); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-sm); }
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card .card-icon { width: 44px; height: 44px; color: var(--color-primary); margin-bottom: var(--space-4); }
.card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.card p { color: var(--color-text-muted); font-size: var(--text-sm); }
.card a.card-link { margin-top: var(--space-4); font-size: var(--text-sm); font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: var(--space-1); }

/* Business unit cards (bigger, image top) */
.unit-card { display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-divider); background: var(--color-bg); box-shadow: var(--shadow-sm); }
.unit-card:hover { box-shadow: var(--shadow-lg); }
.unit-card .unit-media { aspect-ratio: 16/10; background: var(--color-surface-offset); position: relative; overflow: hidden; }
.unit-card .unit-media img { width: 100%; height: 100%; object-fit: cover; }
.unit-card .unit-body { padding: var(--space-6); flex: 1; display: flex; flex-direction: column; }
.unit-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.unit-card p { color: var(--color-text-muted); font-size: var(--text-sm); flex: 1; }

/* News list */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item { display: grid; grid-template-columns: 1fr; gap: var(--space-2); padding-block: var(--space-6); border-bottom: 1px solid var(--color-divider); }
.news-item .news-date { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.news-item h3 { font-size: var(--text-lg); }
.news-item h3 a:hover { color: var(--color-primary); }
.news-item p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* pagination */
.pagination { display: flex; gap: var(--space-2); justify-content: center; margin-top: var(--space-10); }
.pagination a, .pagination span { display: flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; border-radius: var(--radius-md); font-size: var(--text-sm); border: 1px solid var(--color-divider); }
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .active { background: var(--color-primary); color: white; border-color: var(--color-primary); }

/* breadcrumb */
.breadcrumb { display: flex; gap: var(--space-2); align-items: center; font-size: var(--text-xs); color: var(--color-text-faint); margin-bottom: var(--space-4); }
.breadcrumb a:hover { color: var(--color-primary); }

/* article page */
.article-body { max-width: 68ch; margin-inline: auto; }
.article-body p { margin-bottom: var(--space-5); color: var(--color-text); font-size: var(--text-base); }
.article-meta { display: flex; gap: var(--space-4); align-items: center; color: var(--color-text-faint); font-size: var(--text-xs); margin-bottom: var(--space-8); text-transform: uppercase; letter-spacing: 0.05em;}

/* table (demonstracoes) */
.doc-table { width: 100%; border-collapse: collapse; margin-top: var(--space-6); }
.doc-table th { text-align: left; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-faint); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-divider); }
.doc-table td { padding-block: var(--space-3); border-bottom: 1px solid var(--color-divider); font-size: var(--text-sm); }
.doc-table .dl-btn { color: var(--color-primary); font-weight: 600; display: inline-flex; align-items: center; gap: var(--space-1); }
.doc-table .dl-btn:hover { text-decoration: underline; }

/* form (contato) */
.form-grid { display: grid; gap: var(--space-5); max-width: var(--content-narrow); }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.field input, .field textarea { padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); font-size: var(--text-base); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-highlight); }

/* ===== FOOTER ===== */
.site-footer { background: var(--color-primary); color: white; padding-block: var(--space-16) var(--space-8); margin-top: auto; }
.footer-grid { display: grid; gap: var(--space-10); grid-template-columns: 1fr; }
.footer-col h4 { color: white; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-4); font-family: var(--font-body); font-weight: 700; }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: color-mix(in oklab, white 75%, transparent); font-size: var(--text-sm); }
.footer-col a:hover { color: white; }
.footer-bottom { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid color-mix(in oklab, white 15%, transparent); color: color-mix(in oklab, white 60%, transparent); font-size: var(--text-xs); }

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

/* section grid helpers */
.grid-2 { display: grid; gap: var(--space-10); grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; align-items: center; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.badge { display: inline-flex; align-items: center; padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 600; background: var(--color-primary-highlight); color: var(--color-primary); }

.divider { height: 1px; background: var(--color-divider); border: none; margin-block: var(--space-10); }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-primary); color: white; padding: var(--space-2) var(--space-4); z-index: 300; }
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* ===== MEGA MENU DROPDOWN ===== */
.main-nav ul { position: relative; }
.nav-item { position: relative; }
.nav-item > button.nav-trigger {
  display: flex; align-items: center; gap: var(--space-1);
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--color-text-muted); padding-block: var(--space-2); background: none; border: none;
}
.nav-item > button.nav-trigger:hover, .nav-item.open > button.nav-trigger { color: var(--color-primary); }
.nav-item > button.nav-trigger svg { width: 14px; height: 14px; transition: transform var(--transition-interactive); }
.nav-item.open > button.nav-trigger svg { transform: rotate(180deg); }

.main-nav > ul > li > a {
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase;
}

.mega-panel {
  position: absolute; top: calc(100% + var(--space-3)); left: 50%; transform: translateX(-50%) translateY(-8px);
  min-width: 260px; background: var(--color-bg); border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: var(--space-3); opacity: 0; pointer-events: none;
  transition: opacity 200ms cubic-bezier(0.16,1,0.3,1), transform 200ms cubic-bezier(0.16,1,0.3,1);
  z-index: 150;
}
.nav-item.open .mega-panel { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }

.mega-panel.wide { min-width: 560px; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-1); }

.mega-link { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-3); border-radius: var(--radius-md); }
.mega-link:hover { background: var(--color-surface); }
.mega-link .mega-icon { flex-shrink: 0; width: 36px; height: 36px; border-radius: var(--radius-md); background: var(--color-primary-highlight); color: var(--color-primary); display: flex; align-items: center; justify-content: center; }
.mega-link .mega-icon svg { width: 18px; height: 18px; }
.mega-link .mega-text strong { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--color-text); font-family: var(--font-body); }
.mega-link .mega-text span { display: block; font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }

/* Mobile accordion for submenus */
.mobile-nav .has-submenu > .submenu-trigger { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: var(--space-3) var(--space-2); font-size: var(--text-lg); font-family: var(--font-display); color: var(--color-text); border-bottom: 1px solid var(--color-divider); background: none; border-left: none; border-right: none; border-top: none; text-align: left; }
.mobile-nav .has-submenu > .submenu-trigger svg { transition: transform var(--transition-interactive); width: 18px; height: 18px; }
.mobile-nav .has-submenu.open > .submenu-trigger svg { transform: rotate(180deg); }
.mobile-submenu { max-height: 0; overflow: hidden; transition: max-height 280ms cubic-bezier(0.16,1,0.3,1); padding-left: var(--space-4); }
.mobile-nav .has-submenu.open .mobile-submenu { max-height: 900px; }
.mobile-submenu a { font-size: var(--text-base); padding-block: var(--space-2); border-bottom: 1px solid var(--color-divider); color: var(--color-text-muted); }

/* ===== UPGRADED UNIT/OVERVIEW PAGE LAYOUTS ===== */
.stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); margin-top: var(--space-8); }
@media (min-width: 768px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.stat-item { border-left: 2px solid var(--color-primary); padding-left: var(--space-4); }
.stat-item .stat-num { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-primary); display: block; }
.stat-item .stat-label { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.unit-hero { position: relative; padding-block: clamp(var(--space-16), 9vw, var(--space-24)); overflow: hidden; background: linear-gradient(150deg, var(--color-primary) 0%, var(--color-primary-active) 100%); }
.unit-hero::after { content:""; position:absolute; inset:0; background-image: radial-gradient(circle at 85% 15%, oklch(1 0 0 / 0.10), transparent 55%); }
.unit-hero .container-default { position: relative; z-index: 1; }
.unit-hero .eyebrow { color: color-mix(in oklab, white 70%, transparent); font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-4); }
.unit-hero h1 { color: white; font-size: var(--text-2xl); max-width: 18ch; }
.unit-hero .unit-hero-icon { width: 64px; height: 64px; color: white; opacity: 0.85; margin-bottom: var(--space-6); }

.related-units-strip { display: flex; gap: var(--space-3); overflow-x: auto; padding-bottom: var(--space-2); }
.related-units-strip a { flex-shrink: 0; padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); border: 1px solid var(--color-divider); font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); white-space: nowrap; }
.related-units-strip a:hover, .related-units-strip a.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }