/* FMC Extintores — design system */

:root {
  --color-primary: #C02F2F;
  --color-primary-dark: #A02525;
  --color-accent: #C1272D;
  --color-text: #21264C;
  --color-text-muted: #5A6080;
  --color-bg: #FFFFFF;
  --color-surface: #F2F2F2;
  --color-border: rgba(192, 47, 47, 0.15);

  --header-height: 88px;
  --container: 960px;
  --gutter: 24px;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --shadow-sm: 0 2px 8px rgba(33, 38, 76, 0.06);
  --shadow-md: 0 8px 24px rgba(33, 38, 76, 0.1);
  --shadow-lg: 0 16px 48px rgba(33, 38, 76, 0.14);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
  letter-spacing: 0.02em;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

address {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo-link img {
  width: 200px;
  height: auto;
  transition: width var(--transition);
}

.site-header.is-scrolled .logo-link img {
  width: 170px;
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-sm);
  z-index: 1002;
  transition: background var(--transition);
}

.menu-toggle:hover {
  background: var(--color-surface);
}

.menu-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.menu-open .menu-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-open .menu-toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-open .menu-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.menu-overlay {
  display: none;
}

/* Desktop nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.main-nav a {
  display: block;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
  background: rgba(192, 47, 47, 0.06);
  opacity: 1;
}

/* ── Floating bar (desktop) ── */
.floating-bar {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--gutter);
  z-index: 900;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.social-links {
  display: flex;
  gap: 10px;
  align-items: center;
  background: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}

.social-links a:hover {
  background: var(--color-surface);
  transform: scale(1.08);
  opacity: 1;
}

/* WhatsApp FAB (mobile) */
.whatsapp-float {
  display: none;
  position: fixed;
  bottom: var(--space-md);
  right: var(--gutter);
  z-index: 900;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.06);
  opacity: 1;
}

.whatsapp-float img {
  width: 30px;
  height: 30px;
  filter: brightness(0) invert(1);
}

/* ── Hero ── */
.hero {
  position: relative;
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero-graphic {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1088px, 120vw);
  z-index: 0;
  pointer-events: none;
  opacity: 0.08;
}

.hero-graphic img {
  width: 100%;
}

.slideshow {
  position: relative;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  aspect-ratio: 1160 / 648;
  overflow: hidden;
  z-index: 1;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Services icons */
.services-icons {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: -80px auto 0;
  padding: var(--space-lg) var(--gutter);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.icon-item a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.icon-item a:hover {
  background: #fff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  opacity: 1;
}

.icon-item img {
  margin: 0;
  transition: transform var(--transition);
}

.icon-item a:hover img {
  transform: scale(1.05);
}

.icon-item h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1.35;
  text-align: center;
  letter-spacing: 0.04em;
}

/* ── Sections ── */
.section-title {
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  line-height: 1.3;
  margin: 0;
  letter-spacing: 0.06em;
}

.section-divider {
  width: 56px;
  height: 4px;
  background: var(--color-primary);
  margin-top: var(--space-sm);
  border-radius: 2px;
}

.section-empresa {
  max-width: var(--container);
  margin: var(--space-2xl) auto;
  padding: 0 var(--gutter);
}

.empresa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.empresa-texto p,
.empresa-especialidade p {
  margin: var(--space-md) 0 0;
}

.empresa-texto p + p,
.empresa-especialidade p + p {
  margin-top: var(--space-sm);
}

.empresa-img-wide {
  margin-top: var(--space-lg);
  width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.empresa-img {
  width: 100%;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* Serviços */
.section-servicos {
  max-width: var(--container);
  margin: var(--space-2xl) auto;
  padding: 0 var(--gutter);
  position: relative;
}

.servicos-intro {
  margin: var(--space-md) 0 0;
  max-width: 720px;
  color: var(--color-text-muted);
}

.servico-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-lg);
  align-items: center;
  background: var(--color-surface);
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition);
}

.servico-card:hover {
  box-shadow: var(--shadow-sm);
}

.servico-content h3 {
  font-size: 17px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm);
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.servico-content p {
  margin: 0 0 var(--space-sm);
}

.servico-content p:last-of-type {
  margin-bottom: 0;
}

.servico-icon {
  width: 140px;
  height: 140px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  order: -1;
}

.servicos-graphic {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: min(1088px, 120vw);
  z-index: -1;
  opacity: 0.06;
  pointer-events: none;
  top: 120px;
}

.servicos-graphic img {
  width: 100%;
}

.servico-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-md);
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.06em;
  transition: gap var(--transition);
}

.servico-link:hover {
  gap: 10px;
  opacity: 1;
}

/* Contato */
.section-contato {
  max-width: var(--container);
  margin: var(--space-2xl) auto var(--space-xl);
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.contato-intro {
  margin: var(--space-md) 0 0;
  max-width: 640px;
  color: var(--color-text-muted);
}

.contato-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.contato-item {
  background: #fff;
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-primary);
  transition: box-shadow var(--transition);
}

.contato-item:hover {
  box-shadow: var(--shadow-sm);
}

.contato-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.contato-item a,
.contato-item address {
  display: block;
  line-height: 1.6;
  color: var(--color-text);
  font-size: 15px;
}

.contato-item a:hover {
  color: var(--color-primary);
  opacity: 1;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: var(--space-lg) var(--gutter) calc(var(--space-2xl) + 60px);
  color: var(--color-text-muted);
  font-size: 13px;
  border-top: 1px solid var(--color-border);
}

.site-footer p {
  margin: 0;
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.6;
}

/* ── Páginas de serviço ── */
.breadcrumb {
  max-width: var(--container);
  margin: calc(var(--header-height) + var(--space-md)) auto 0;
  padding: 0 var(--gutter);
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-primary);
  font-weight: 500;
}

.breadcrumb a:hover {
  text-decoration: underline;
  opacity: 1;
}

.page-hero {
  max-width: var(--container);
  margin: var(--space-md) auto 0;
  padding: 0 var(--gutter) var(--space-lg);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.page-hero-icon {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.page-hero-icon img {
  max-width: 70px;
  max-height: 78px;
}

.page-hero-text h1 {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm);
  line-height: 1.25;
  letter-spacing: 0.03em;
}

.page-hero-text p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-banner {
  max-width: var(--container);
  margin: 0 auto var(--space-lg);
  padding: 0 var(--gutter);
}

.page-banner img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.page-content {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--space-2xl);
}

.page-content h2 {
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: var(--space-xl) 0 var(--space-sm);
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.page-content h2:first-child {
  margin-top: 0;
}

.page-content p,
.page-content li {
  margin: 0 0 var(--space-sm);
}

.page-content ul {
  padding-left: 1.25rem;
  margin: 0 0 var(--space-md);
}

.page-content li {
  margin-bottom: var(--space-xs);
}

.page-content li::marker {
  color: var(--color-primary);
}

.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
  margin-top: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.cta-box h2 {
  color: #fff;
  margin: 0 0 var(--space-sm);
  font-size: 20px;
}

.cta-box p {
  margin: 0 0 var(--space-md);
  color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--color-primary);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: transform var(--transition), box-shadow var(--transition);
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  opacity: 1;
}

.cta-btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.cta-btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.related-services {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.related-services h2 {
  margin-top: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.related-grid a {
  display: block;
  background: var(--color-surface);
  padding: var(--space-md);
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.related-grid a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  opacity: 1;
}

/* ── Tablet ── */
@media (max-width: 1024px) {
  .services-icons {
    margin-top: -48px;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .servico-card {
    grid-template-columns: 120px 1fr;
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .servico-icon {
    width: 120px;
    height: 120px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  :root {
    --header-height: 72px;
    --gutter: 20px;
    --space-2xl: 56px;
    --space-xl: 40px;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(33, 38, 76, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .menu-open .menu-overlay {
    opacity: 1;
    visibility: visible;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 88vw);
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: calc(var(--header-height) + var(--space-md)) var(--space-md) var(--space-lg);
    background: #fff;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }

  .menu-open .main-nav {
    transform: translateX(0);
  }

  .main-nav a {
    padding: 16px 20px;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }

  .main-nav a:last-of-type {
    border-bottom: none;
  }

  .nav-cta {
    display: block;
    margin-top: var(--space-md);
    padding: 16px 24px !important;
    background: #25D366 !important;
    color: #fff !important;
    text-align: center;
    border-radius: var(--radius-full) !important;
    border: none !important;
    font-weight: 700 !important;
  }

  .nav-cta:hover {
    background: #1fb855 !important;
  }

  .logo-link img,
  .site-header.is-scrolled .logo-link img {
    width: 160px;
  }

  .floating-bar {
    display: none;
  }

  .whatsapp-float {
    display: flex;
  }

  .slideshow {
    aspect-ratio: 16 / 10;
  }

  .services-icons {
    margin-top: var(--space-md);
    grid-template-columns: repeat(2, 1fr);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
  }

  .icon-item a {
    padding: var(--space-sm);
  }

  .icon-item h2 {
    font-size: 11px;
  }

  .empresa-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .servico-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--space-lg) var(--space-md);
  }

  .servico-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto;
  }

  .servico-icon img {
    max-width: 50px;
    max-height: 60px;
  }

  .contato-grid {
    grid-template-columns: 1fr;
  }

  .section-contato {
    padding: var(--space-lg) var(--space-md);
  }

  .site-footer {
    padding-bottom: calc(var(--space-xl) + 72px);
  }

  .breadcrumb {
    margin-top: calc(var(--header-height) + var(--space-sm));
  }

  .page-hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }

  .page-hero-icon {
    margin: 0 auto;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: var(--space-lg) var(--space-md);
  }
}

@media (max-width: 480px) {
  .services-icons {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs);
  }

  .icon-item h2 {
    font-size: 10px;
  }
}

@media (min-width: 769px) {
  .nav-cta {
    display: none;
  }
}