/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
   :root {
    --black: #0A0A0A;
    --black-secondary: #111111;
    --grafite: #1A1A1A;
    --cinza: #777777;
    --cinza-claro: #D8D8D8;
    --white: #FFFFFF;
    --blue: #3B82F6;
    --blue-dark: #2563EB;
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    --radius: 12px;
  }
  
  *,
  *::before,
  *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--cinza-claro);
    line-height: 1.6;
    overflow-x: hidden;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  ul {
    list-style: none;
  }
  
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
  }
  
  /* ============================================
     TYPOGRAPHY
     ============================================ */
  .section-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: clamp(2.2rem, 5vw, 4rem);
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
  }
  
  .section-title .highlight {
    color: var(--blue);
  }
  
  .section-subtitle {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--blue);
    margin-bottom: 1rem;
  }
  
  .section-text {
    font-size: clamp(1rem, 1.2vw, 1.25rem);
    color: var(--cinza-claro);
    max-width: 680px;
    line-height: 1.8;
    margin-bottom: 2rem;
  }
  
  .section-text.strong {
    font-weight: 600;
    color: var(--white);
    font-size: clamp(1.1rem, 1.4vw, 1.4rem);
  }
  
  /* ============================================
     HEADER
     ============================================ */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: transparent;
  }
  
  .header.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.6rem 0;
  }
  
 .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav {
    display: flex;
    align-items: center;
    flex: 1;
    gap: 2rem;

  }
  
  .logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white);
  }
  
  .logo-rr {
    font-size: 1.8rem;
    color: var(--blue);
    letter-spacing: -0.04em;
  }
  
  .logo-text {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--cinza-claro);
  }
  
  .nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cinza-claro);
    transition: var(--transition);
    position: relative;
    letter-spacing: 0.02em;
  }
  
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue);
    transition: var(--transition);
  }
  
  .nav-link:hover,
  .nav-link.active {
    color: var(--white);
  }
  
  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }
  
  .btn-primary {
    display: inline-block;
    background: var(--blue);
    color: var(--white);
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 40px;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
  }
  
  .btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.3);
  }
  
  .btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--white);
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 40px;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
  }
  
  .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--white);
    transform: translateY(-2px);
  }
  
  .btn-header {
    padding: 0.6rem 1.8rem;
    font-size: 0.8rem;
  }
  
  /* Hamburger */
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    z-index: 1001;
  }
  
  .hamburger-line {
    width: 28px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 4px;
  }
  
  .hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  /* ============================================
     HERO
     ============================================ */
  /* ============================================
   HERO — RR SOLUÇÕES TECNOLÓGICAS
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;

  background:
    url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=85&auto=format&fit=crop')
    center center / cover no-repeat;

  overflow: hidden;
}

/* Overlay mais sofisticado e limpo */

.hero-overlay {
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      90deg,
      rgba(5, 5, 5, 0.96) 0%,
      rgba(5, 5, 5, 0.90) 35%,
      rgba(5, 5, 5, 0.55) 65%,
      rgba(5, 5, 5, 0.30) 100%
    );

  z-index: 1;
}

/* Pequeno efeito de profundidade */

.hero::after {
  content: '';
  position: absolute;
  inset: 0;

  background:
    radial-gradient(
      circle at 75% 50%,
      rgba(59, 130, 246, 0.08),
      transparent 35%
    );

  z-index: 1;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content {
  max-width: 720px;
  padding: 9rem 0 5rem;
}

/* Eyebrow */

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;

  font-size: 0.75rem;
  font-weight: 600;

  text-transform: uppercase;
  letter-spacing: 0.18em;

  color: var(--blue);

  margin-bottom: 2rem;

  background: rgba(59, 130, 246, 0.08);

  padding: 0.5rem 1rem;

  border-radius: 40px;

  border: 1px solid rgba(59, 130, 246, 0.18);
}

.hero-eyebrow i {
  font-size: 0.7rem;
}

/* Título */

.hero-title {
  font-family: var(--font-heading);

  font-weight: 750;

  font-size: clamp(3rem, 5.2vw, 5rem);

  color: var(--white);

  line-height: 1;

  letter-spacing: -0.045em;

  margin-bottom: 2rem;
}

/* Destaque azul */

.hero-title .highlight {
  color: var(--blue);
}

/* Texto */

.hero-text {
  font-size: clamp(1rem, 1.15vw, 1.2rem);

  color: rgba(255, 255, 255, 0.70);

  max-width: 570px;

  line-height: 1.8;

  margin-bottom: 2.5rem;
}

/* Botões */

.hero-buttons {
  display: flex;
  flex-wrap: wrap;

  gap: 1rem;

  margin-bottom: 3.5rem;
}

/* Serviços */

.hero-tags {
  display: flex;

  flex-wrap: wrap;

  gap: 1rem 1.8rem;

  padding: 1.5rem 0;

  border-top: 1px solid rgba(255, 255, 255, 0.08);

  margin-bottom: 2rem;
}

.hero-tags span {
  font-size: 0.75rem;

  font-weight: 500;

  color: rgba(255, 255, 255, 0.65);

  display: flex;

  align-items: center;

  gap: 0.5rem;

  letter-spacing: 0.04em;
}

.hero-tags i {
  color: var(--blue);

  font-size: 0.85rem;
}

/* Indicador de scroll */

.scroll-indicator {
  display: flex;

  align-items: center;

  gap: 0.8rem;

  font-size: 0.65rem;

  font-weight: 500;

  letter-spacing: 0.15em;

  color: rgba(255, 255, 255, 0.35);

  animation: bounceDown 2s infinite;
}

.scroll-indicator i {
  font-size: 0.8rem;
}
  
  @keyframes bounceDown {
    0%,
    100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(8px);
    }
  }
  
  /* ============================================
     PROBLEMA
     ============================================ */
  .problema {
    padding: 6rem 0;
    background: var(--black-secondary);
  }
  
  .problema-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }
  
  .problema-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    height: 400px;
    object-fit: cover;
  }
  
  .indicators {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
  }
  
  .indicator {
    background: var(--grafite);
    padding: 1rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border-left: 3px solid var(--blue);
    transition: var(--transition);
  }
  
  .indicator i {
    color: var(--blue);
    font-size: 1.1rem;
  }
  
  .indicator:hover {
    background: var(--black);
    transform: translateX(4px);
  }
  
  /* ============================================
     PERSPECTIVA
     ============================================ */
  .perspectiva {
    padding: 6rem 0;
    background: var(--black);
  }
  
  .perspectiva-header {
    max-width: 800px;
    margin-bottom: 4rem;
  }
  
  .perspectiva-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
  }
  
  .card-perspectiva {
    background: var(--grafite);
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
  }
  
  .card-perspectiva:hover {
    transform: translateY(-6px);
    border-color: var(--blue);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }
  
  .card-perspectiva i {
    font-size: 2.2rem;
    color: var(--blue);
    margin-bottom: 1rem;
  }
  
  .card-perspectiva h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.4rem;
  }
  
  .card-perspectiva p {
    font-size: 0.9rem;
    color: var(--cinza);
  }
  
  /* ============================================
     SOBRE
     ============================================ */
  .sobre {
    padding: 6rem 0;
    background: var(--black-secondary);
  }
  
  .sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }
  
  .sobre-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    height: 420px;
    object-fit: cover;
  }
  
  .sobre-pilares {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
  }
  
  .sobre-pilares span {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--grafite);
    padding: 0.5rem 1.2rem;
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.04);
  }
  
  .sobre-pilares i {
    color: var(--blue);
  }
  
  /* ============================================
     FILOSOFIA
     ============================================ */
  .filosofia {
    position: relative;
    padding: 8rem 0;
    background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?w=1600&q=80&auto=format&fit=crop') center/cover no-repeat;
    background-attachment: fixed;
  }
  
  .filosofia-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.88) 0%, rgba(10, 10, 10, 0.5) 100%);
    z-index: 1;
  }
  
  .filosofia-container {
    position: relative;
    z-index: 2;
  }
  
  .filosofia-content {
    max-width: 800px;
  }
  
  .filosofia-destaque {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(1.6rem, 3vw, 2.8rem);
    color: var(--blue);
    margin-top: 1.5rem;
    letter-spacing: -0.02em;
  }
  
  /* ============================================
     SOLUÇÕES
     ============================================ */
  .solucoes {
    padding: 6rem 0;
    background: var(--black);
  }
  
  .solucoes-header {
    max-width: 700px;
    margin-bottom: 4rem;
  }
  
  .solucoes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
  }
  
  .card-solucao {
    background: var(--grafite);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  
  .card-solucao::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--blue);
    transition: var(--transition);
  }
  
  .card-solucao:hover::before {
    height: 100%;
  }
  
  .card-solucao:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  }
  
  .card-solucao i {
    font-size: 2.4rem;
    color: var(--blue);
    margin-bottom: 1rem;
  }
  
  .card-solucao h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
  }
  
  .card-solucao p {
    font-size: 0.95rem;
    color: var(--cinza);
    line-height: 1.6;
  }
  
  /* ============================================
     MONITORAMENTO
     ============================================ */
  .monitoramento {
    position: relative;
    padding: 7rem 0;
    background: url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=1600&q=80&auto=format&fit=crop') center/cover no-repeat;
    background-attachment: fixed;
  }
  
  .monitoramento-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.92) 0%, rgba(10, 10, 10, 0.5) 100%);
    z-index: 1;
  }
  
  .monitoramento-container {
    position: relative;
    z-index: 2;
  }
  
  .monitoramento-content {
    max-width: 900px;
  }
  
  .monitoramento-painel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.2rem;
    margin: 2.5rem 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.04);
  }
  
  .painel-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cinza-claro);
  }
  
  .painel-item i {
    color: var(--blue);
    width: 1.4rem;
  }
  
  .status {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-left: auto;
  }
  
  .status.ok {
    background: #4ade80;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.4);
    animation: pulse 2s infinite;
  }
  
  @keyframes pulse {
    0%,
    100% {
      opacity: 1;
      transform: scale(1);
    }
    50% {
      opacity: 0.6;
      transform: scale(0.9);
    }
  }
  
  .monitoramento-frase {
    font-size: clamp(1rem, 1.2vw, 1.3rem);
    font-weight: 500;
    color: var(--white);
    border-left: 3px solid var(--blue);
    padding-left: 1.5rem;
    margin-top: 1.5rem;
  }
  
  /* ============================================
     MÉTODO RR
     ============================================ */
  .metodo {
    padding: 6rem 0;
    background: var(--black-secondary);
  }
  
  .timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
  }
  
  .timeline-item {
    background: var(--grafite);
    padding: 2rem 1.8rem;
    border-radius: var(--radius);
    border-left: 3px solid var(--blue);
    transition: var(--transition);
  }
  
  .timeline-item:hover {
    transform: translateX(6px);
    background: var(--black);
  }
  
  .step {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.2rem;
    color: var(--blue);
    opacity: 0.3;
    display: block;
    margin-bottom: 0.5rem;
  }
  
  .timeline-item h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
  }
  
  .timeline-item p {
    font-size: 0.95rem;
    color: var(--cinza);
  }
  
  /* ============================================
     DIFERENCIAIS
     ============================================ */
  .diferenciais {
    padding: 6rem 0;
    background: var(--black);
  }
  
  .diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
  }
  
  .diferencial {
    background: var(--grafite);
    padding: 2rem 1.8rem;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.04);
  }
  
  .diferencial:hover {
    transform: translateY(-6px);
    border-color: var(--blue);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  }
  
  .diferencial i {
    font-size: 2.4rem;
    color: var(--blue);
    margin-bottom: 1rem;
  }
  
  .diferencial h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
  }
  
  .diferencial p {
    font-size: 0.95rem;
    color: var(--cinza);
  }
  
  .diferenciais-frase {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--white);
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }
  
  /* ============================================
     MANIFESTO
     ============================================ */
  .manifesto {
    position: relative;
    padding: 8rem 0;
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1600&q=80&auto=format&fit=crop') center/cover no-repeat;
    background-attachment: fixed;
  }
  
  .manifesto-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.4) 100%);
    z-index: 1;
  }
  
  .manifesto-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    text-align: center;
  }
  
  .manifesto-content {
    max-width: 900px;
  }
  
  .manifesto blockquote {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: clamp(1.6rem, 4vw, 3.2rem);
    line-height: 1.2;
    color: var(--white);
    letter-spacing: -0.02em;
  }
  
  .manifesto blockquote::before {
    content: '"';
    color: var(--blue);
    font-size: 3rem;
    display: block;
    margin-bottom: 0.5rem;
  }
  
  .manifesto cite {
    display: block;
    margin-top: 2rem;
    font-style: normal;
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--blue);
    letter-spacing: 0.1em;
  }
  
  /* ============================================
     CTA
     ============================================ */
  .cta {
    padding: 6rem 0;
    background: var(--black-secondary);
  }
  
  .cta-container {
    display: flex;
    justify-content: center;
    text-align: center;
  }
  
  .cta-content {
    max-width: 700px;
  }
  
  .cta-content .section-text {
    margin-left: auto;
    margin-right: auto;
  }
  
  .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.2rem;
    margin-top: 2rem;
  }
  
  .btn-cta {
    padding: 1rem 2.8rem;
    font-size: 0.95rem;
  }
  
  #whatsappBtn {
    background: #25D366;
    border-color: #25D366;
    color: var(--white);
  }
  
  #whatsappBtn:hover {
    background: #1ebe5c;
    border-color: #1ebe5c;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.3);
  }
  
  /* ============================================
     FOOTER
     ============================================ */
  .footer {
    background: var(--black);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 4rem 0 0;
  }
  
  .footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }
  
  .footer-col .logo {
    margin-bottom: 1rem;
  }
  
  .footer-frase {
    font-size: 0.95rem;
    color: var(--cinza);
    margin-bottom: 1.5rem;
  }
  
  .footer-social {
    display: flex;
    gap: 1rem;
  }
  
  .footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--grafite);
    color: var(--cinza-claro);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.04);
  }
  
  .footer-social a:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-3px);
  }
  
  .footer-col h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1.2rem;
  }
  
  .footer-col ul li {
    font-size: 0.9rem;
    color: var(--cinza);
    padding: 0.3rem 0;
    transition: var(--transition);
  }
  
  .footer-col ul li a {
    transition: var(--transition);
  }
  
  .footer-col ul li a:hover {
    color: var(--white);
  }
  
  .footer-col ul li i {
    width: 1.4rem;
    color: var(--blue);
  }
  
  .footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.8rem;
    color: var(--cinza);
  }
  
  /* ============================================
     ANIMAÇÕES - INTERSECTION OBSERVER
     ============================================ */
  .fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  
  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  .fade-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  
  .fade-left.visible {
    opacity: 1;
    transform: translateX(0);
  }
  
  .fade-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  
  .fade-right.visible {
    opacity: 1;
    transform: translateX(0);
  }
  
  .reveal {
    opacity: 0;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1s ease, opacity 0.6s ease;
  }
  
  .reveal.visible {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
  
  .stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  
  .stagger-children.visible > *:nth-child(1) {
    transition-delay: 0.05s;
  }
  .stagger-children.visible > *:nth-child(2) {
    transition-delay: 0.1s;
  }
  .stagger-children.visible > *:nth-child(3) {
    transition-delay: 0.15s;
  }
  .stagger-children.visible > *:nth-child(4) {
    transition-delay: 0.2s;
  }
  .stagger-children.visible > *:nth-child(5) {
    transition-delay: 0.25s;
  }
  .stagger-children.visible > *:nth-child(6) {
    transition-delay: 0.3s;
  }
  .stagger-children.visible > *:nth-child(7) {
    transition-delay: 0.35s;
  }
  
  .stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* ============================================
     RESPONSIVIDADE
     ============================================ */
  @media (max-width: 1024px) {
    .problema-grid,
    .sobre-grid {
      grid-template-columns: 1fr;
      gap: 2.5rem;
    }
  
    .footer-container {
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
  }
  
  @media (max-width: 768px) {
    .nav-list {
      position: fixed;
      top: 0;
      right: -100%;
      width: 80%;
      max-width: 340px;
      height: 100vh;
      background: var(--black-secondary);
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 2rem;
      transition: var(--transition);
      padding: 2rem;
      border-left: 1px solid rgba(255, 255, 255, 0.04);
    }
  
    .nav-list.open {
      right: 0;
    }
  
    .nav-list .nav-link {
      font-size: 1.2rem;
    }
  
    .btn-header {
      display: none;
    }
  
    .hamburger {
      display: flex;
    }
  
    .hero-title {
      font-size: clamp(2.2rem, 10vw, 3.5rem);
    }
  
    .hero-tags {
      gap: 0.8rem 1.2rem;
    }
  
    .hero-tags span {
      font-size: 0.7rem;
    }
  
    .indicators {
      grid-template-columns: 1fr 1fr;
    }
  
    .perspectiva-cards {
      grid-template-columns: 1fr 1fr;
    }
  
    .solucoes-grid {
      grid-template-columns: 1fr 1fr;
    }
  
    .monitoramento-painel {
      grid-template-columns: 1fr 1fr;
      padding: 1.5rem;
    }
  
    .timeline {
      grid-template-columns: 1fr 1fr;
    }
  
    .diferenciais-grid {
      grid-template-columns: 1fr 1fr;
    }
  
    .footer-container {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
  
    .manifesto blockquote {
      font-size: clamp(1.2rem, 5vw, 2rem);
    }
  }
  
  @media (max-width: 480px) {
    .container {
      padding: 0 1.2rem;
    }
  
    .hero {
      background-attachment: scroll;
    }
  
    .hero-title {
      font-size: clamp(1.8rem, 12vw, 2.8rem);
    }
  
    .hero-buttons {
      flex-direction: column;
      width: 100%;
    }
  
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
      width: 100%;
      text-align: center;
    }
  
    .indicators {
      grid-template-columns: 1fr;
    }
  
    .perspectiva-cards {
      grid-template-columns: 1fr;
    }
  
    .solucoes-grid {
      grid-template-columns: 1fr;
    }
  
    .monitoramento-painel {
      grid-template-columns: 1fr 1fr;
      gap: 0.8rem;
      padding: 1.2rem;
    }
  
    .painel-item {
      font-size: 0.75rem;
    }
  
    .timeline {
      grid-template-columns: 1fr;
    }
  
    .diferenciais-grid {
      grid-template-columns: 1fr;
    }
  
    .cta-buttons {
      flex-direction: column;
      width: 100%;
    }
  
    .cta-buttons .btn-primary,
    .cta-buttons .btn-secondary {
      width: 100%;
      text-align: center;
    }
  
    .sobre-pilares {
      gap: 0.8rem;
    }
  
    .sobre-pilares span {
      font-size: 0.75rem;
      padding: 0.4rem 1rem;
    }
  
    .filosofia {
      background-attachment: scroll;
    }
  
    .monitoramento {
      background-attachment: scroll;
    }
  
    .manifesto {
      background-attachment: scroll;
    }
  }
  
  /* ============================================
     PREFERS-REDUCED-MOTION
     ============================================ */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  
    .fade-up,
    .fade-left,
    .fade-right,
    .reveal,
    .stagger-children > * {
      opacity: 1 !important;
      transform: none !important;
      clip-path: none !important;
    }
  
    .scroll-indicator {
      animation: none !important;
    }
  
    .status.ok {
      animation: none !important;
    }
  }
  
  /* ============================================
     FOCUS STATES / ACESSIBILIDADE
     ============================================ */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 4px;
  }
  
  /* ============================================
     SCROLLBAR STYLING (opcional)
     ============================================ */
  ::-webkit-scrollbar {
    width: 8px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--black);
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--grafite);
    border-radius: 4px;
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--blue);
  }
  /* LOGO RR */
.logo-img {
    display: block;
    width: auto;
    height: 46px;
    object-fit: contain;
    transition: var(--transition);
}

.header.scrolled .logo-img {
    height: 40px;
}

@media (max-width: 768px) {
    .logo-img {
        height: 42px;
    }

    .header.scrolled .logo-img {
        height: 38px;
    }
}
/* ============================================
   CORREÇÃO FINAL DO HEADER E LOGO
   ============================================ */

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    display: block;
    width: auto;
    height: 75px;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    gap: 2rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

/* HEADER AO ROLAR */

.header.scrolled .logo-img {
    height: 54px;
}

/* MOBILE */

@media (max-width: 768px) {

    .header-container {
        min-height: 70px;
    }

    .logo-img {
        height: 44px;
    }

    .header.scrolled .logo-img {
        height: 40px;
    }

    .nav {
        flex: initial;
    }
}