/* ============================================================
   RESET E VARIÁVEIS GLOBAIS
   Definição das cores, fontes e espaçamentos do design system
============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Paleta de cores principal */
  --color-primary:       #0a2540;   /* Azul escuro profundo */
  --color-primary-mid:   #0d3b6e;   /* Azul escuro médio */
  --color-accent:        #1a73e8;   /* Azul claro / accent */
  --color-accent-light:  #4da3ff;   /* Azul claro suave */
  --color-accent-glow:   rgba(26, 115, 232, 0.25);
  --color-white:         #ffffff;
  --color-off-white:     #f4f7fb;
  --color-gray-light:    #e8edf4;
  --color-gray:          #8a9ab5;
  --color-gray-dark:     #4a5568;
  --color-text:          #1a202c;
  --color-text-light:    #718096;

  /* Cores de status */
  --color-red:           #e53e3e;
  --color-orange:        #dd6b20;
  --color-yellow:        #d69e2e;
  --color-purple:        #6b46c1;
  --color-green:         #38a169;
  --color-green-light:   #68d391;

  /* Tipografia */
  --font-family:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base:      16px;
  --line-height-base:    1.6;

  /* Espaçamentos */
  --spacing-xs:    0.5rem;
  --spacing-sm:    1rem;
  --spacing-md:    1.5rem;
  --spacing-lg:    2rem;
  --spacing-xl:    3rem;
  --spacing-2xl:   5rem;
  --spacing-3xl:   7rem;

  /* Bordas e sombras */
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-full:   9999px;

  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.07);
  --shadow-lg:     0 10px 40px rgba(0,0,0,0.14), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-accent: 0 4px 24px rgba(26, 115, 232, 0.35);

  /* Transições */
  --transition-fast:   0.15s ease;
  --transition-base:   0.25s ease;
  --transition-slow:   0.4s ease;

  /* Navbar */
  --navbar-height: 70px;
}

/* ============================================================
   BASE E TIPOGRAFIA
============================================================ */

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

ul {
  list-style: none;
}

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

/* ============================================================
   UTILITÁRIOS
============================================================ */

/* Container centralizado com largura máxima */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Seções genéricas */
.section {
  padding: var(--spacing-3xl) 0;
}

.section--light {
  background-color: var(--color-off-white);
}

.section--dark {
  background-color: var(--color-primary);
}

.section--gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 50%, #1a3a6b 100%);
}

.section--cta {
  background: linear-gradient(135deg, #0a2540 0%, #1a3a6b 60%, #1a73e8 100%);
}

/* Cabeçalho de seção */
.section__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section__header--light {
  color: var(--color-white);
}

.section__tag {
  display: inline-block;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border: 1px solid rgba(26, 115, 232, 0.3);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.section__tag--light {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.section__title--light {
  color: var(--color-white);
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

.section__subtitle--light {
  color: rgba(255, 255, 255, 0.75);
}

/* ============================================================
   BOTÕES
============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  background: #1557b0;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26, 115, 232, 0.45);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

.btn__loading {
  opacity: 0.8;
}

/* ============================================================
   NAVBAR
   Barra de navegação fixa no topo
============================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: rgba(10, 37, 64, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

/* Navbar com sombra ao rolar */
.navbar.scrolled {
  background: rgba(10, 37, 64, 0.98);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-white);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.logo-icon {
  color: var(--color-accent);
  font-size: 1.2rem;
}

.logo-text strong {
  color: var(--color-accent-light);
}

/* Menu de navegação */
.navbar__menu {
  display: flex;
  align-items: center;
}

.navbar__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.navbar__link {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.navbar__link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

/* Link CTA na navbar */
.navbar__link--cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-md);
  margin-left: 0.5rem;
}

.navbar__link--cta:hover {
  background: #1557b0;
  transform: translateY(-1px);
}

/* Botão hamburguer (mobile) */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Estado aberto do hamburguer */
.navbar__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle.active span:nth-child(2) {
  opacity: 0;
}
.navbar__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO SECTION
   Seção principal com fundo escuro e animações
============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #050e1a 0%, #0a2540 40%, #0d3b6e 80%, #0a2540 100%);
  overflow: hidden;
  padding-top: var(--navbar-height);
}

/* Container de partículas animadas */
.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Partícula individual (gerada via JS) */
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(26, 115, 232, 0.4);
  animation: floatParticle linear infinite;
}

@keyframes floatParticle {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.5; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

/* Conteúdo da hero */
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

/* Badge de destaque */
.hero__badge {
  display: inline-block;
  background: rgba(26, 115, 232, 0.2);
  color: var(--color-accent-light);
  border: 1px solid rgba(77, 163, 255, 0.4);
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
  animation: fadeInDown 0.6s ease both;
}

/* Título principal */
.hero__title {
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  animation: fadeInDown 0.7s ease 0.1s both;
}

.hero__title--highlight {
  background: linear-gradient(90deg, var(--color-accent-light), #7ec8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Subtítulo */
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.75);
  max-width: 680px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.7;
  animation: fadeInDown 0.7s ease 0.2s both;
}

/* Botões de ação */
.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
  animation: fadeInDown 0.7s ease 0.3s both;
}

/* Indicadores de confiança */
.hero__trust {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInDown 0.7s ease 0.4s both;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.trust-icon {
  color: var(--color-green-light);
  font-weight: 700;
}

/* Indicador de scroll */
.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1s both;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255, 255, 255, 0.4);
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  transform: rotate(45deg);
  animation: bounceArrow 1.5s ease infinite;
}

@keyframes bounceArrow {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(5px); }
}

/* ============================================================
   SEÇÃO: PROBLEMA
   Grid de cards com os problemas do acesso remoto
============================================================ */

.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md);
}

.problem-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.problem-card:hover::before {
  transform: scaleX(1);
}

.problem-card__icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.problem-card__icon--red    { filter: hue-rotate(0deg); }
.problem-card__icon--orange { filter: hue-rotate(20deg); }
.problem-card__icon--yellow { filter: hue-rotate(40deg); }
.problem-card__icon--purple { filter: hue-rotate(260deg); }

.problem-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.problem-card__text {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

/* ============================================================
   SEÇÃO: SOLUÇÃO
   Layout em duas colunas com features e diagrama
============================================================ */

.solution__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

/* Features da solução */
.solution__features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.solution-feature {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.solution-feature__icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 115, 232, 0.15);
  border-radius: var(--radius-md);
  border: 1px solid rgba(26, 115, 232, 0.3);
}

.solution-feature__content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.4rem;
}

.solution-feature__content p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.65;
}

/* Diagrama visual da solução */
.solution__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.solution-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  width: 100%;
}

/* Nó do diagrama */
.diagram-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  text-align: center;
}

.diagram-node__icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 2px solid;
}

.diagram-node--local .diagram-node__icon {
  background: rgba(56, 161, 105, 0.15);
  border-color: rgba(56, 161, 105, 0.5);
}

.diagram-node--cloud .diagram-node__icon {
  background: rgba(26, 115, 232, 0.15);
  border-color: rgba(26, 115, 232, 0.5);
}

.diagram-node--user .diagram-node__icon {
  background: rgba(107, 70, 193, 0.15);
  border-color: rgba(107, 70, 193, 0.5);
}

.diagram-node__label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.4;
}

.diagram-node__label strong {
  color: var(--color-white);
}

/* Seta do diagrama */
.diagram-arrow {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagram-arrow__line {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  position: relative;
}

.diagram-arrow__label {
  font-size: 0.65rem;
  color: var(--color-accent-light);
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* Pontos animados na seta */
.diagram-arrow__dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: dotPulse 1.5s ease infinite;
}

.dot--1 { animation-delay: 0s; }
.dot--2 { animation-delay: 0.3s; }
.dot--3 { animation-delay: 0.6s; }

@keyframes dotPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50%       { opacity: 1; transform: scale(1.2); }
}

/* Legenda do diagrama */
.diagram-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-dot--green {
  background: var(--color-green-light);
  box-shadow: 0 0 8px var(--color-green-light);
}

/* ============================================================
   SEÇÃO: CASO DE USO – CAREL BOSS
============================================================ */

.usecase__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
  margin-bottom: var(--spacing-2xl);
}

/* Informações sobre o BOSS */
.usecase__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(26, 115, 232, 0.08);
  color: var(--color-accent);
  border: 1px solid rgba(26, 115, 232, 0.2);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(56, 161, 105, 0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(56, 161, 105, 0); }
}

.usecase__description {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.usecase__compat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.usecase__compat li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

/* Steps do fluxo */
.usecase__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.step__number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent);
}

.step__content {
  padding-bottom: var(--spacing-md);
}

.step__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.step__text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

/* Conector entre steps */
.step__connector {
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-gray-light));
  margin-left: 21px;
  margin-bottom: 0;
}

/* Diagrama do BOSS */
.boss-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  box-shadow: var(--shadow-md);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.boss-diagram__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  min-width: 130px;
  text-align: center;
  transition: transform var(--transition-base);
}

.boss-diagram__node:hover {
  transform: translateY(-4px);
}

.boss-diagram__node--server {
  background: rgba(56, 161, 105, 0.08);
  border: 2px solid rgba(56, 161, 105, 0.3);
}

.boss-diagram__node--platform {
  background: rgba(26, 115, 232, 0.08);
  border: 2px solid rgba(26, 115, 232, 0.3);
}

.boss-diagram__node--tech {
  background: rgba(107, 70, 193, 0.08);
  border: 2px solid rgba(107, 70, 193, 0.3);
}

.boss-node-icon {
  font-size: 2.2rem;
}

.boss-node-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
}

.boss-node-sub {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* Seta do diagrama BOSS */
.boss-diagram__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0 var(--spacing-sm);
  flex: 1;
  min-width: 80px;
}

.boss-arrow-line {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-glow), var(--color-accent), var(--color-accent-glow));
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.boss-arrow-pulse {
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
  animation: arrowPulse 2s ease infinite;
}

@keyframes arrowPulse {
  0%   { left: -60%; }
  100% { left: 160%; }
}

.boss-arrow-label {
  font-size: 0.7rem;
  color: var(--color-accent);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

/* ============================================================
   SEÇÃO: BENEFÍCIOS
   Grid de cards com ícones e descrições
============================================================ */

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.benefit-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.benefit-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.08), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.benefit-card:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(26, 115, 232, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.benefit-card:hover::after {
  opacity: 1;
}

.benefit-card__emoji {
  font-size: 2.2rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.benefit-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.6rem;
}

.benefit-card__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.65;
}

/* ============================================================
   SEÇÃO: COMO FUNCIONA
   Timeline horizontal de passos
============================================================ */

.howto__timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  position: relative;
  margin-bottom: var(--spacing-2xl);
}

/* Linha conectora entre os passos */
.howto__timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  z-index: 0;
}

.howto-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.howto-step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-accent);
  border: 3px solid var(--color-off-white);
  position: relative;
  z-index: 2;
  transition: transform var(--transition-base);
}

.howto-step:hover .howto-step__number {
  transform: scale(1.1);
}

.howto-step__card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.howto-step:hover .howto-step__card {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 115, 232, 0.3);
  transform: translateY(-2px);
}

.howto-step__icon {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
  display: block;
}

.howto-step__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.howto-step__text {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Seção de público-alvo */
.audience__section {
  text-align: center;
}

.audience__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.audience__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.audience-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-full);
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.audience-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.audience-item__icon {
  font-size: 1.1rem;
}

/* ============================================================
   SEÇÃO: CTA E FORMULÁRIO
============================================================ */

.cta__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

/* Texto da CTA */
.cta__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.cta__subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.cta__guarantees {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cta__guarantees li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

/* Wrapper do formulário */
.cta__form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Título do formulário */
.form__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

/* Grupo de campo */
.form__group {
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gray-dark);
  margin-bottom: 0.4rem;
}

/* Input, select e textarea */
.form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-off-white);
  transition: all var(--transition-base);
  outline: none;
  appearance: none;
}

.form__input:focus {
  border-color: var(--color-accent);
  background: var(--color-white);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form__input.error {
  border-color: var(--color-red);
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15);
}

.form__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a9ab5' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__textarea {
  resize: vertical;
  min-height: 80px;
}

/* Mensagem de erro do campo */
.form__error {
  display: none;
  font-size: 0.78rem;
  color: var(--color-red);
  margin-top: 0.3rem;
}

.form__error.visible {
  display: block;
}

/* Mensagem de sucesso */
.form__success {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(56, 161, 105, 0.08);
  border: 1px solid rgba(56, 161, 105, 0.3);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
}

.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-green);
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.form__success strong {
  display: block;
  color: var(--color-green);
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.form__success p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* Aviso de privacidade */
.form__privacy {
  font-size: 0.75rem;
  color: var(--color-gray);
  text-align: center;
  margin-top: var(--spacing-sm);
}

/* ============================================================
   RODAPÉ (FOOTER)
============================================================ */

.footer {
  background: #050e1a;
  color: rgba(255, 255, 255, 0.7);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer__logo {
  margin-bottom: var(--spacing-sm);
  display: inline-flex;
}

.footer__tagline {
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.5);
  max-width: 280px;
}

.footer__links-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-sm);
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links ul li,
.footer__links ul a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-fast);
}

.footer__links ul a:hover {
  color: var(--color-accent-light);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--spacing-md) var(--spacing-lg);
}

.footer__bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================================
   ANIMAÇÕES DE ENTRADA (INTERSECTION OBSERVER)
============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Animações de keyframe */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   RESPONSIVIDADE
   Breakpoints para tablets e smartphones
============================================================ */

/* Tablet: até 1024px */
@media (max-width: 1024px) {
  .solution__layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

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

  .howto__timeline::before {
    display: none;
  }

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

  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* Tablet pequeno: até 768px */
@media (max-width: 768px) {
  :root {
    --spacing-3xl: 4rem;
    --spacing-2xl: 3rem;
  }

  /* Navbar mobile */
  .navbar__toggle {
    display: flex;
  }

  .navbar__menu {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: rgba(10, 37, 64, 0.98);
    backdrop-filter: blur(12px);
    padding: var(--spacing-md);
    transform: translateY(-110%);
    transition: transform var(--transition-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .navbar__menu.open {
    transform: translateY(0);
  }

  .navbar__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .navbar__link {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
  }

  .navbar__link--cta {
    text-align: center;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  /* Hero mobile */
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__trust {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
  }

  /* Caso de uso mobile */
  .usecase__layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  /* CTA mobile */
  .cta__layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  /* Diagrama BOSS mobile */
  .boss-diagram {
    flex-direction: column;
  }

  .boss-diagram__arrow {
    transform: rotate(90deg);
    padding: var(--spacing-xs) 0;
  }

  /* Footer mobile */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer__bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

/* Smartphone: até 480px */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

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

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

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

  .solution-diagram {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .diagram-arrow {
    transform: rotate(90deg);
  }
}