/* ============================================================
   CUSTOM PROPERTIES
   ============================================================ */
:root {
  --color-primary: #1B3A6B;
  --color-primary-dark: #122850;
  --color-accent: #2E7D32;
  --color-accent-light: #43A047;
  --color-white: #ffffff;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f1f3f5;
  --color-gray-200: #e9ecef;
  --color-gray-600: #6c757d;
  --color-gray-800: #343a40;
  --color-text: #212529;

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-sm: clamp(0.875rem, 1.5vw, 1rem);
  --font-size-base: clamp(1rem, 1.8vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 2vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 2.5vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 3vw, 2rem);
  --font-size-3xl: clamp(2rem, 4vw, 2.75rem);
  --font-size-4xl: clamp(2.5rem, 5vw, 3.5rem);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  --border-radius: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);

  --transition: 0.2s ease;
  --container-max: 1200px;
}

/* ============================================================
   RESET E BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.65;
  background: var(--color-white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ============================================================
   TIPOGRAFIA
   ============================================================ */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}
h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
p { margin-bottom: var(--spacing-sm); }

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}
.section-title span {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

/* ============================================================
   BOTÕES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-accent-light); }
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn-outline:hover { background: var(--color-white); color: var(--color-primary); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 1rem 0;
}
.header.scrolled {
  background: var(--color-primary);
  box-shadow: var(--shadow-md);
  padding: 0.75rem 0;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo img { height: 50px; width: auto; }
.header__nav { display: flex; align-items: center; gap: var(--spacing-md); }
.header__nav a {
  color: var(--color-white);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: var(--transition);
  opacity: 0.9;
}
.header__nav a:hover { opacity: 1; }
.header__cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--border-radius);
  font-weight: 600 !important;
  opacity: 1 !important;
}
.header__cta:hover { background: var(--color-accent-light); }
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-xs);
}
.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

@media (max-width: 768px) {
  .header__hamburger { display: flex; }
  .header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--color-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
  }
  .header__nav.open { display: flex; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary-dark);
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,58,107,0.85) 0%, rgba(27,58,107,0.5) 100%);
}
.hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: 700px;
}
.hero__eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-sm);
}
.hero__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}
.hero__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}
.hero__actions { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; }

/* ============================================================
   SEÇÕES
   ============================================================ */
.section { padding: var(--spacing-3xl) 0; }
.section--gray { background: var(--color-gray-50); }
.section--dark { background: var(--color-primary); color: var(--color-white); }
.section--dark h2, .section--dark h3 { color: var(--color-white); }

/* ============================================================
   CARDS DE SERVIÇO (home e hub)
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}
.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-card__image { aspect-ratio: 16/9; overflow: hidden; }
.service-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.service-card:hover .service-card__image img { transform: scale(1.05); }
.service-card__body { padding: var(--spacing-md); }
.service-card__title { font-size: var(--font-size-xl); margin-bottom: var(--spacing-xs); }
.service-card__desc { color: var(--color-gray-600); margin-bottom: var(--spacing-md); }
.service-card__link {
  color: var(--color-accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.service-card__link::after { content: '→'; transition: transform var(--transition); }
.service-card:hover .service-card__link::after { transform: translateX(4px); }

/* ============================================================
   CLIENTES (carrossel CSS)
   ============================================================ */
.clients-carousel {
  overflow: hidden;
  position: relative;
}
.clients-track {
  display: flex;
  gap: var(--spacing-xl);
  animation: scroll-clients 30s linear infinite;
  width: max-content;
}
.clients-carousel:hover .clients-track { animation-play-state: paused; }
.clients-track img {
  height: 60px;
  width: auto;
  filter: grayscale(1);
  opacity: 0.6;
  transition: var(--transition);
}
.clients-track img:hover { filter: grayscale(0); opacity: 1; }
@keyframes scroll-clients {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-3xl) 0;
}
.cta-banner h2 { color: var(--color-white); margin-bottom: var(--spacing-sm); }
.cta-banner p { opacity: 0.85; margin-bottom: var(--spacing-xl); font-size: var(--font-size-lg); }
.cta-banner__actions { display: flex; gap: var(--spacing-sm); justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { max-width: 800px; margin: 0 auto; }
.faq details {
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-md) 0;
}
.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.5rem; transition: transform var(--transition); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: var(--spacing-sm); color: var(--color-gray-600); }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-accent); }
.breadcrumb span::before { content: '/'; margin-right: var(--spacing-xs); }

/* ============================================================
   HERO INTERNO (páginas internas)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
}
.page-hero h1 { color: var(--color-white); margin-bottom: var(--spacing-sm); }
.page-hero .breadcrumb { color: rgba(255,255,255,0.7); }
.page-hero .breadcrumb a { color: rgba(255,255,255,0.9); }

/* ============================================================
   PÁGINA DE SERVIÇO
   ============================================================ */
.service-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}
@media (min-width: 1024px) {
  .service-content { grid-template-columns: 2fr 1fr; }
}
.service-content__text h2 { font-size: var(--font-size-2xl); margin-bottom: var(--spacing-md); }
.service-sidebar {
  background: var(--color-gray-50);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  height: fit-content;
}
.service-sidebar h3 { font-size: var(--font-size-lg); margin-bottom: var(--spacing-md); }
.service-sidebar ul { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.service-sidebar li { display: flex; align-items: flex-start; gap: var(--spacing-xs); }
.service-sidebar li::before { content: '✓'; color: var(--color-accent); font-weight: 700; flex-shrink: 0; }

/* ============================================================
   GRID DE IMAGENS
   ============================================================ */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}
.image-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--border-radius);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}
.footer__logo { margin-bottom: var(--spacing-md); }
.footer__logo img { height: auto; max-height: 54px; width: auto; }
.footer__desc { font-size: var(--font-size-sm); line-height: 1.7; }
.footer__heading {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}
.footer__links { display: flex; flex-direction: column; gap: var(--spacing-xs); }
.footer__links a { font-size: var(--font-size-sm); transition: var(--transition); }
.footer__links a:hover { color: var(--color-white); }
.footer__contact { display: flex; flex-direction: column; gap: var(--spacing-xs); font-size: var(--font-size-sm); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-sm);
  opacity: 0.6;
}

/* ============================================================
   WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background: #25D366;
  color: var(--color-white);
  border-radius: 50px;
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.whatsapp-float:hover { transform: translateY(-2px); }
.whatsapp-float svg { width: 24px; height: 24px; }

/* ============================================================
   SOBRE NÓS
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-grid__image { order: 2; }
.about-grid__text  { order: 1; }
@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  .about-grid__image { order: 1; }
  .about-grid__text  { order: 2; }
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}
.value-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--color-accent);
}
.value-card h3 { font-size: var(--font-size-lg); margin-bottom: var(--spacing-sm); }

/* ============================================================
   CLIENTES PAGE
   ============================================================ */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}
.clients-grid img {
  width: 100%;
  max-height: 96px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.7;
  transition: var(--transition);
}
.clients-grid img:hover { filter: grayscale(0); opacity: 1; }

/* ============================================================
   CONTATO
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info { display: flex; flex-direction: column; gap: var(--spacing-md); }
.contact-item { display: flex; gap: var(--spacing-md); align-items: flex-start; }
.contact-item__icon {
  width: 48px; height: 48px;
  background: var(--color-accent);
  border-radius: var(--border-radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--color-white);
}
.contact-map { border-radius: var(--border-radius-lg); overflow: hidden; height: 350px; }
.contact-map iframe { width: 100%; height: 100%; border: none; }

/* ============================================================
   RESPONSIVIDADE GERAL
   ============================================================ */
@media (max-width: 768px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; justify-content: center; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
}