/* =========================================================
   BCEPARÁ — Brigada Civil de Emergências Grão Pará
   Design system "Operação e Confiança" — CSS mobile-first
   ========================================================= */

/* Fonte local (opcional): coloque os arquivos em assets/fonts/ e remova o link do Google Fonts no index.html
@font-face { font-family: "Montserrat"; src: url("../assets/fonts/montserrat-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fonts/montserrat-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fonts/montserrat-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fonts/montserrat-800.woff2") format("woff2"); font-weight: 800; font-display: swap; }
*/

:root {
  --color-primary: #09006B;
  --color-primary-dark: #111F46;
  --color-secondary: #E10600;
  --color-secondary-alt: #EC003B;
  --color-accent: #F2C318;
  --color-white: #FFFFFF;
  --color-background: #F7F8FA;
  --color-text: #171A21;
  --color-text-secondary: #5C6270;
  --color-border: #E3E5EA;
  --color-on-dark-muted: #CED2E3;

  --font: "Montserrat", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --container: 1240px;
  --radius: 2px;
  --shadow-header: 0 6px 24px -12px rgba(17, 31, 70, 0.35);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
h1, h2, h3 { overflow-wrap: break-word; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 1rem; z-index: 60;
  background: var(--color-primary); color: var(--color-white); padding: .75rem;
}
.skip-link:focus { left: 1rem; position: fixed; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.bg-surface { background: var(--color-background); }
.bg-navy { background: var(--color-primary); }
.bg-navy-deep { background: var(--color-primary-dark); }
.on-dark { color: var(--color-white); }
.text-red { color: var(--color-secondary); }

/* ---------- Eyebrow / títulos ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before { content: ""; width: 2rem; height: 3px; background: var(--color-secondary); flex-shrink: 0; }
.eyebrow-gold { color: var(--color-accent); }

.section-header { max-width: 42rem; }
.section-header h2 {
  margin-top: 1rem; font-size: 1.875rem; font-weight: 700; line-height: 1.2; letter-spacing: -.015em;
  color: var(--color-primary);
}
.section-header .intro { margin-top: 1rem; font-size: 1rem; line-height: 1.65; color: var(--color-text-secondary); }
.on-dark .section-header h2 { color: var(--color-white); }
.on-dark .section-header .intro { color: var(--color-on-dark-muted); }

.prose { margin-top: 1.5rem; color: var(--color-text-secondary); line-height: 1.65; }
.prose p + p { margin-top: 1rem; }

.link-underline {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 2px; background-repeat: no-repeat; background-position: 0 100%;
  transition: background-size .25s ease;
}
.link-underline:hover { background-size: 100% 2px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 3rem; padding: .75rem 1.5rem; border-radius: var(--radius);
  font-size: .875rem; font-weight: 700; letter-spacing: .025em; text-transform: uppercase;
  text-align: center; line-height: 1.2;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--color-secondary); color: var(--color-white); }
.btn-primary:hover { background: var(--color-secondary-alt); }
.btn-outline { border: 2px solid var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); }
.btn-outline-light { border: 2px solid rgba(255,255,255,.7); color: var(--color-white); }
.btn-outline-light:hover { background: var(--color-white); color: var(--color-primary); }
.btn-disabled { border: 2px solid var(--color-border); color: var(--color-text-secondary); cursor: not-allowed; width: fit-content; max-width: 100%; }
.btn-sm { min-height: 2.75rem; padding-inline: 1.25rem; }
.btn-block { width: 100%; }
.btn-row { margin-top: 2rem; display: flex; flex-direction: column; gap: .75rem; }
.mt-btn { margin-top: 2.25rem; }
.mt-btn-lg { margin-top: 2.5rem; }
.mt-cta { margin-top: 3.5rem; }

/* ---------- Fotos / placeholders ---------- */
.photo-placeholder, .hero-photo img, .about-photo img, .services-photo img, .split-photo img, .fleet-photo img, .cta-bg img {
  width: 100%; height: 100%; object-fit: cover;
}
.photo-placeholder {
  display: flex; align-items: flex-end;
  background-color: var(--color-primary-dark);
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.06) 0 2px, transparent 2px 18px);
}
.photo-placeholder span {
  margin: 1rem; padding: .5rem .75rem; border-left: 4px solid var(--color-accent);
  background: rgba(17, 31, 70, .9); color: var(--color-white);
  font-size: .75rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
}

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--color-white); transition: box-shadow .2s; }
.site-header.is-scrolled { box-shadow: var(--shadow-header); }
.bar-red { height: 4px; background: var(--color-secondary); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 72px; }

.logo { display: flex; align-items: center; gap: .75rem; }
.logo-slot {
  display: grid; place-items: center; width: 2.5rem; height: 2.5rem; flex-shrink: 0;
  border: 2px dashed var(--color-accent); color: var(--color-accent);
  font-size: 9px; font-weight: 700; text-transform: uppercase; line-height: 1;
}
.logo-img { height: 2.9rem; width: auto; flex-shrink: 0; }
.site-footer .logo-img { height: 3.75rem; }
.logo-text { line-height: 1; }
.logo-name { display: block; font-size: 1.125rem; font-weight: 800; letter-spacing: -.02em; color: var(--color-primary); }
.logo-sub { display: block; margin-top: 2px; font-size: 10px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--color-text-secondary); }
.logo-dark .logo-name { color: var(--color-white); }
.logo-dark .logo-sub { color: var(--color-on-dark-muted); }

.nav-desktop, .header-cta { display: none; }
.nav-desktop ul { display: flex; align-items: center; gap: 1.75rem; }
.nav-desktop a { padding-block: .25rem; font-size: .875rem; font-weight: 600; color: var(--color-text); }
.nav-desktop a:hover { color: var(--color-primary); }

.menu-toggle { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; color: var(--color-primary); }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

.nav-mobile { border-top: 1px solid var(--color-border); background: var(--color-white); }
.nav-mobile ul { display: flex; flex-direction: column; padding-block: .75rem; }
.nav-mobile a:not(.btn) { display: block; padding-block: .75rem; font-size: 1rem; font-weight: 600; color: var(--color-primary); }
.nav-mobile-cta { padding: .5rem 0 .75rem; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--color-white); }
.hero-grid { display: grid; }
.hero-text { display: flex; flex-direction: column; justify-content: center; padding-block: 3.5rem; }
.hero h1 {
  margin-top: 1.5rem; font-size: 2.15rem; font-weight: 800; line-height: 1.08; letter-spacing: -.025em;
  color: var(--color-primary);
}
.hero .lead { margin-top: 1.5rem; max-width: 36rem; font-size: 1rem; line-height: 1.65; color: var(--color-text-secondary); }
.hero-since {
  margin-top: 2rem; display: flex; align-items: center; gap: .75rem;
  font-size: .75rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--color-text-secondary);
}
.dot-gold { width: .5rem; height: .5rem; background: var(--color-accent); }
.hero-media { position: relative; aspect-ratio: 4 / 3; }
.hero-photo { position: absolute; inset: 0; }
.hero-red-band { display: none; }
.hero-gold-bar { position: absolute; bottom: 0; right: 0; height: .75rem; width: 33.333%; background: var(--color-accent); }
.bar-navy { height: .75rem; background: var(--color-primary); }

/* ---------- Seções ---------- */
.section { padding-block: 5rem; }
.section-sm { padding-block: 5rem; }

/* Sobre */
.about-grid { display: grid; align-items: center; gap: 3rem; }
.arrow-link {
  margin-top: 2rem; display: inline-flex; align-items: center; gap: .5rem;
  font-size: .875rem; font-weight: 700; letter-spacing: .025em; text-transform: uppercase; color: var(--color-secondary);
}
.about-media { position: relative; }
.about-square { position: absolute; left: -.75rem; top: -.75rem; width: 6rem; height: 6rem; background: var(--color-secondary); }
.about-photo { position: relative; aspect-ratio: 4 / 5; }

/* Serviços */
.services-featured { margin-top: 3.5rem; display: grid; gap: 2.5rem; }
.services-photo { position: relative; aspect-ratio: 16 / 10; }
.services-photo-bar { position: absolute; bottom: -.5rem; left: 0; height: .5rem; width: 50%; background: var(--color-secondary); }
.services-featured-list { display: flex; flex-direction: column; justify-content: center; gap: 2.5rem; }
.services-grid { margin-top: 4rem; display: grid; gap: 2.5rem; }
.service { border-top: 2px solid var(--color-primary); padding-top: 1.25rem; }
.service-n { font-size: .875rem; font-weight: 800; color: var(--color-secondary); }
.service h3 { margin-top: .5rem; font-size: 1.125rem; font-weight: 700; line-height: 1.35; color: var(--color-primary); }
.service p { margin-top: .75rem; font-size: .95rem; line-height: 1.65; color: var(--color-text-secondary); }
.service-large h3 { font-size: 1.5rem; }

/* Blocos divididos (Área Protegida / Equipe) */
.split { position: relative; overflow: hidden; }
.split-grid { display: grid; }
.split-text { padding-block: 5rem; }
.split-text h2 { margin-top: 1.25rem; font-size: 1.875rem; font-weight: 700; line-height: 1.2; }
.split-text > p:not(.eyebrow) { margin-top: 1.5rem; line-height: 1.65; color: var(--color-on-dark-muted); }
.split-text > p:not(.eyebrow) + p { margin-top: 1rem; }
.split-media { position: relative; aspect-ratio: 4 / 3; }
.split-photo { position: absolute; inset: 0; }
.bar-red-sm { height: .5rem; background: var(--color-secondary); }

.roles { margin-top: 2.5rem; border-top: 1px solid rgba(255,255,255,.15); }
.roles li { display: flex; align-items: baseline; gap: 1rem; padding-block: .75rem; border-bottom: 1px solid rgba(255,255,255,.15); }
.roles-n { width: 1.5rem; flex-shrink: 0; font-size: .75rem; font-weight: 700; color: var(--color-accent); }
.roles-name { font-size: 1.25rem; font-weight: 700; }

/* Frota */
.fleet-head { display: grid; gap: 2rem; }
.fleet-note { font-size: .875rem; font-weight: 600; color: var(--color-text-secondary); }
.fleet-grid { margin-top: 3rem; display: grid; gap: 1px; background: var(--color-border); }
.fleet-card { display: flex; flex-direction: column; background: var(--color-white); }
.fleet-photo { position: relative; aspect-ratio: 4 / 3; }
.fleet-body { flex: 1; padding: 1.5rem; }
.fleet-type { font-size: 2.25rem; font-weight: 800; line-height: 1.1; color: var(--color-secondary); }
.fleet-body h3 { margin-top: .5rem; font-size: 1.125rem; font-weight: 700; line-height: 1.35; color: var(--color-primary); }
.fleet-body p:not(.fleet-type) { margin-top: .75rem; font-size: .875rem; line-height: 1.65; color: var(--color-text-secondary); }

/* História */
.history-grid { display: grid; gap: 3.5rem; }
.year-mark { margin-top: 2.5rem; display: flex; align-items: center; gap: 1.5rem; border-left: 4px solid var(--color-secondary); padding-left: 1.5rem; }
.year { font-size: 3.75rem; font-weight: 800; letter-spacing: -.025em; line-height: 1; color: var(--color-primary); }
.year-text { max-width: 14rem; font-size: .875rem; font-weight: 600; }
.trust-box { align-self: center; background: var(--color-background); padding: 2rem; }
.trust-icon { color: var(--color-primary); }
.trust-box h2 { margin-top: 1.25rem; font-size: 1.5rem; font-weight: 700; line-height: 1.2; color: var(--color-primary); }
.trust-box p { margin-top: 1rem; line-height: 1.65; color: var(--color-text-secondary); }

/* Clientes */
.clients-grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--color-border); }
.clients-grid li { display: grid; place-items: center; height: 7rem; padding: 1.5rem; background: var(--color-white); text-align: center; }
.clients-grid span { font-size: 11px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--color-text-secondary); }
.clients-grid img { max-height: 3rem; width: auto; filter: grayscale(1); transition: filter .2s; }
.clients-grid img:hover { filter: none; }

/* Regiões */
.regions-grid { margin-top: 3rem; display: grid; gap: 1.5rem; }
.region { position: relative; display: flex; flex-direction: column; overflow: hidden; border: 2px solid var(--color-primary); padding: 2rem; }
.region-corner { position: absolute; right: 0; top: 0; width: 4rem; height: 4rem; background: var(--color-secondary); clip-path: polygon(100% 0, 0 0, 100% 100%); }
.region h3 { font-size: 2.25rem; font-weight: 800; color: var(--color-primary); }
.region p { margin-top: 1rem; flex: 1; font-size: .875rem; line-height: 1.65; color: var(--color-text-secondary); }
.region .btn { margin-top: 2rem; }

/* CTA */
.cta { position: relative; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; opacity: .25; }
.cta-red { display: none; position: absolute; right: -6rem; top: 0; height: 100%; width: 33.333%; background: var(--color-secondary); clip-path: polygon(35% 0, 100% 0, 100% 100%, 0 100%); }
.cta-inner { position: relative; padding-block: 5rem; }
.cta-inner > * { max-width: 42rem; }
.cta h2 { margin-top: 1.25rem; font-size: 1.875rem; font-weight: 800; line-height: 1.2; }
.cta-lead { margin-top: 1.25rem; font-size: 1.125rem; color: var(--color-on-dark-muted); }
.cta-note { margin-top: 1.5rem; font-size: .75rem; color: var(--color-on-dark-muted); }

/* Footer */
.site-footer { position: relative; background: var(--color-primary); }
.footer-diag { height: .5rem; background: var(--color-secondary); clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); }
.footer-grid { display: grid; gap: 2.5rem; padding-block: 3.5rem; }
.footer-about { margin-top: 1.25rem; max-width: 20rem; font-size: .875rem; line-height: 1.65; color: var(--color-on-dark-muted); }
.footer-title { font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent); }
.footer-title + .footer-about { margin-top: 1rem; }
.footer-links { margin-top: 1rem; }
.footer-links li + li { margin-top: .625rem; }
.footer-links a { font-size: .875rem; color: var(--color-on-dark-muted); }
.footer-links a:hover { color: var(--color-white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); }
.footer-bottom-inner { display: flex; flex-direction: column; gap: .5rem; padding-block: 1.5rem; font-size: .75rem; color: var(--color-on-dark-muted); }

/* Animação */
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.animate-rise { animation: rise .6s ease-out both; }

/* =================== Smartphone grande / tablet (≥640px) =================== */
@media (min-width: 640px) {
  .container { padding-inline: 1.5rem; }
  .hero h1 { font-size: 3rem; }
  .hero .lead { font-size: 1.125rem; }
  .btn-row { flex-direction: row; flex-wrap: wrap; }
  .section-header h2, .split-text h2 { font-size: 2.25rem; }
  .section-header .intro { font-size: 1.125rem; }
  .about-photo { aspect-ratio: 5 / 4; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .fleet-grid { grid-template-columns: repeat(2, 1fr); }
  .roles-name { font-size: 1.5rem; }
  .trust-box { padding: 2.5rem; }
  .trust-box h2 { font-size: 1.875rem; }
  .clients-grid { grid-template-columns: repeat(4, 1fr); }
  .region { padding: 2.5rem; }
  .cta h2 { font-size: 3rem; }
  .footer-bottom-inner { flex-direction: row; justify-content: space-between; }
}

/* =================== Tablet (≥768px) =================== */
@media (min-width: 768px) {
  .regions-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-red { display: block; }
  .footer-grid { grid-template-columns: 1.4fr repeat(4, 1fr); }
}

/* =================== Notebook / desktop (≥1024px) =================== */
@media (min-width: 1024px) {
  .container { padding-inline: 2rem; }
  .nav-desktop { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle, .nav-mobile { display: none !important; }

  .hero-grid { grid-template-columns: 1.05fr 1fr; min-height: 640px; }
  .hero-text { margin-left: auto; max-width: 640px; padding-block: 5rem; padding-right: 3rem; }
  .hero h1 { font-size: 3.4rem; }
  .hero-media { aspect-ratio: auto; }
  .hero-photo, .split-photo.diag { clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%); }
  .hero-red-band {
    display: block; position: absolute; inset-block: 0; left: 0; width: 14%;
    background: var(--color-secondary); clip-path: polygon(92% 0, 100% 0, 8% 100%, 0 100%);
  }

  .section { padding-block: 7rem; }
  .section-sm { padding-block: 6rem; }

  .about-grid { grid-template-columns: 1fr 1fr; gap: 5rem; }
  .about-photo { aspect-ratio: 4 / 5; }

  .services-featured { grid-template-columns: 1.2fr 1fr; gap: 4rem; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .service-large { padding-top: 1.5rem; }

  .split-grid { grid-template-columns: 1fr 1fr; }
  .split-media { aspect-ratio: auto; }
  .team-media { min-height: 620px; }
  .split-text { padding-block: 7rem; }
  .split-text-left { margin-left: auto; max-width: 620px; padding-right: 3.5rem; }
  .split-text-right { margin-right: auto; max-width: 620px; padding-left: 3.5rem; padding-block: 6rem; }

  .fleet-head { grid-template-columns: 1fr auto; align-items: end; }
  .fleet-grid { grid-template-columns: repeat(4, 1fr); }

  .history-grid { grid-template-columns: 1fr 1fr; gap: 5rem; }

  .cta-inner { padding-block: 7rem; }
}

/* Acessibilidade: movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Navegação entre páginas de serviços */
.service-directory { margin-top: 3rem; padding: 2rem; background: var(--color-white); border-left: 4px solid var(--color-secondary); }
.service-directory h3 { color: var(--color-primary); }
.service-directory .arrow-link { margin-top: 1.25rem; }