/* =========================================================
   Passaredo Linhas Aéreas — Folha de estilo institucional
   Autor: Equipe de desenvolvimento
   ========================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Cores de marca */
  --c-navy-900: #061a2e;
  --c-navy-800: #0a2540;
  --c-navy-700: #123a5e;
  --c-blue-600: #1268c3;
  --c-blue-500: #1b7fe0;
  --c-blue-100: #e6f1fb;
  --c-amber-500: #f2a33c;

  /* Neutros */
  --c-white: #ffffff;
  --c-gray-50: #f7f9fc;
  --c-gray-100: #eef2f7;
  --c-gray-300: #cbd5e1;
  --c-gray-500: #64748b;
  --c-gray-700: #334155;
  --c-gray-900: #0f172a;

  /* Semânticos */
  --c-bg: var(--c-white);
  --c-bg-alt: var(--c-gray-50);
  --c-text: var(--c-gray-900);
  --c-text-muted: var(--c-gray-500);
  --c-border: var(--c-gray-100);
  --c-brand: var(--c-blue-600);
  --c-brand-dark: var(--c-navy-800);

  /* Tipografia */
  --font-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.625rem;
  --fs-2xl: 2.125rem;
  --fs-3xl: 2.75rem;

  /* Espaçamento (escala 8px) */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4rem;
  --sp-7: 6rem;

  /* Outros */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(6, 26, 46, 0.06), 0 2px 8px rgba(6, 26, 46, 0.06);
  --shadow-md: 0 12px 32px rgba(6, 26, 46, 0.12);
  --container: 1140px;
  --header-h: 76px;
  --transition: 200ms ease;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--fs-md);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 var(--sp-2); line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; color: var(--c-navy-800); }
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
p  { margin: 0 0 var(--sp-2); }
ul, ol { margin: 0 0 var(--sp-2); padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-navy-800); text-decoration: underline; }

:focus-visible { outline: 3px solid var(--c-amber-500); outline-offset: 3px; border-radius: 4px; }

/* ---------- 3. Utilitários ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-3); }
.section { padding: var(--sp-7) 0; }
.section--alt { background: var(--c-bg-alt); border-block: 1px solid var(--c-border); }
.section__head { max-width: 720px; margin: 0 auto var(--sp-5); text-align: center; }
.section__head p { color: var(--c-text-muted); font-size: var(--fs-lg); margin: 0; }

.eyebrow {
  display: inline-block;
  margin-bottom: var(--sp-1);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-brand);
}

.skip-link {
  position: absolute;
  left: var(--sp-2);
  top: -60px;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--c-navy-800);
  color: var(--c-white);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--transition);
}
.skip-link:focus { top: 0; color: var(--c-white); text-decoration: none; }

/* ---------- 4. Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn--primary { background: var(--c-brand); color: var(--c-white); border-color: var(--c-brand); }
.btn--primary:hover { background: var(--c-navy-800); border-color: var(--c-navy-800); color: var(--c-white); }
.btn--ghost { background: transparent; color: var(--c-white); border-color: rgba(255, 255, 255, 0.55); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); color: var(--c-white); border-color: var(--c-white); }
.btn--outline { background: transparent; color: var(--c-brand); border-color: var(--c-gray-300); }
.btn--outline:hover { border-color: var(--c-brand); color: var(--c-navy-800); }

/* ---------- 5. Cabeçalho ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  min-height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 0.75rem; color: var(--c-navy-800); }
.brand:hover { text-decoration: none; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--c-blue-500), var(--c-navy-800));
  color: var(--c-white);
  flex: none;
}
.brand__mark svg { width: 22px; height: 22px; }
.brand__name { font-weight: 800; font-size: 1.0625rem; line-height: 1.15; letter-spacing: -0.02em; }
.brand__tag { display: block; font-size: var(--fs-xs); font-weight: 500; color: var(--c-text-muted); letter-spacing: 0.06em; text-transform: uppercase; }

.nav__toggle, .nav__toggle-label { display: none; }

.nav__list { display: flex; align-items: center; gap: var(--sp-3); margin: 0; padding: 0; list-style: none; }
.nav__list li { margin: 0; }
.nav__link { font-size: var(--fs-sm); font-weight: 500; color: var(--c-gray-700); }
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--c-brand); text-decoration: none; }
.nav__link[aria-current="page"] { font-weight: 700; }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  padding: var(--sp-7) 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(27, 127, 224, 0.35), transparent 55%),
    linear-gradient(135deg, var(--c-navy-900), var(--c-navy-800) 55%, var(--c-blue-600));
  color: var(--c-white);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -45% 55%;
  height: 70%;
  background: radial-gradient(ellipse at center, rgba(242, 163, 60, 0.22), transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; max-width: 760px; }
.hero h1 { color: var(--c-white); margin-bottom: var(--sp-2); }
.hero__lead { font-size: var(--fs-lg); color: rgba(255, 255, 255, 0.86); margin-bottom: var(--sp-4); }
.hero .eyebrow { color: var(--c-amber-500); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.hero--page { padding: var(--sp-6) 0; }
.hero--page .hero__inner { max-width: 800px; }

/* ---------- 7. Grid e cartões ---------- */
.grid { display: grid; gap: var(--sp-3); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  padding: var(--sp-3);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card h3 { margin-bottom: 0.5rem; }
.card p { margin: 0; color: var(--c-text-muted); font-size: var(--fs-sm); }

.card__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--sp-2);
  border-radius: 12px;
  background: var(--c-blue-100);
  color: var(--c-brand);
}
.card__icon svg { width: 24px; height: 24px; }

/* ---------- 8. Números ---------- */
.stat { text-align: center; }
.stat__value { display: block; font-size: var(--fs-2xl); font-weight: 800; color: var(--c-brand); letter-spacing: -0.03em; }
.stat__label { font-size: var(--fs-sm); color: var(--c-text-muted); }

/* ---------- 9. Conteúdo em duas colunas ---------- */
.split { display: grid; gap: var(--sp-5); align-items: center; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.split__media {
  min-height: 320px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 70% 25%, rgba(242, 163, 60, 0.3), transparent 60%),
    linear-gradient(140deg, var(--c-navy-800), var(--c-blue-600));
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.9);
  padding: var(--sp-4);
  text-align: center;
}
.split__media svg { width: 96px; height: 96px; opacity: 0.9; }

/* ---------- 10. Lista com marcador ---------- */
.list-check { list-style: none; padding: 0; margin: 0 0 var(--sp-3); }
.list-check li { position: relative; padding-left: 1.9rem; margin-bottom: 0.75rem; color: var(--c-gray-700); }
.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-blue-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231268c3' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 11px no-repeat;
}

/* ---------- 11. Contato ---------- */
.contact-card {
  display: flex;
  gap: var(--sp-2);
  padding: var(--sp-3);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.contact-card__icon { flex: none; color: var(--c-brand); }
.contact-card__icon svg { width: 26px; height: 26px; }
.contact-card h3 { font-size: var(--fs-md); margin-bottom: 0.25rem; }
.contact-card p, .contact-card address { margin: 0; font-style: normal; color: var(--c-text-muted); font-size: var(--fs-sm); }

/* ---------- 12. Dados cadastrais ---------- */
.data-list { display: grid; gap: var(--sp-2); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 0; }
.data-list div { padding: var(--sp-2); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-sm); }
.data-list dt { font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-text-muted); }
.data-list dd { margin: 0.25rem 0 0; font-weight: 600; color: var(--c-navy-800); }

/* ---------- 13. Conteúdo legal ---------- */
.legal { max-width: 820px; margin: 0 auto; }
.legal h2 { margin-top: var(--sp-5); font-size: var(--fs-xl); }
.legal h2:first-of-type { margin-top: 0; }
.legal h3 { margin-top: var(--sp-3); font-size: var(--fs-md); }
.legal__meta { display: inline-block; margin-bottom: var(--sp-4); padding: 0.5rem 1rem; background: var(--c-blue-100); color: var(--c-navy-800); border-radius: 999px; font-size: var(--fs-xs); font-weight: 600; }
.legal ul { margin-bottom: var(--sp-2); }
.legal table { width: 100%; border-collapse: collapse; margin-bottom: var(--sp-3); font-size: var(--fs-sm); }
.legal th, .legal td { padding: 0.75rem; border: 1px solid var(--c-border); text-align: left; vertical-align: top; }
.legal th { background: var(--c-gray-50); color: var(--c-navy-800); }

/* ---------- 14. CTA ---------- */
.cta {
  padding: var(--sp-6) var(--sp-4);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--c-navy-800), var(--c-blue-600));
  color: var(--c-white);
  text-align: center;
}
.cta h2 { color: var(--c-white); }
.cta p { color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0 auto var(--sp-3); }

/* ---------- 15. Rodapé ---------- */
.footer { padding: var(--sp-6) 0 var(--sp-3); background: var(--c-navy-900); color: rgba(255, 255, 255, 0.72); font-size: var(--fs-sm); }
.footer__grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin-bottom: var(--sp-4); }
.footer h2, .footer h3 { color: var(--c-white); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--sp-2); }
.footer .brand { color: var(--c-white); margin-bottom: var(--sp-2); }
.footer .brand__tag { color: rgba(255, 255, 255, 0.6); }
.footer a { color: rgba(255, 255, 255, 0.8); }
.footer a:hover { color: var(--c-white); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer address { font-style: normal; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-3);
  justify-content: space-between;
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- 16. Responsivo ---------- */
@media (max-width: 860px) {
  :root { --fs-3xl: 2.125rem; --fs-2xl: 1.75rem; --sp-7: 4rem; }

  .nav__toggle-label {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--c-navy-800);
  }
  .nav__toggle-label svg { width: 24px; height: 24px; }

  .nav__list {
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-1) var(--sp-3) var(--sp-3);
    background: var(--c-white);
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
  }
  .nav__list li { border-top: 1px solid var(--c-border); }
  .nav__link { display: block; padding: 0.9rem 0; font-size: var(--fs-md); }
  .nav__toggle:checked ~ .nav__list { display: flex; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- 17. Impressão ---------- */
@media print {
  .header, .footer, .hero__actions, .cta { display: none !important; }
  body { color: #000; font-size: 12pt; }
}