/* ==========================================================================
   MELO BRASIL INFRAESTRUTURA & SOLUÇÕES INTEGRADAS LTDA
   Estilo Institucional Corporativo Premium
   ========================================================================== */

/* 1. VARIÁVEIS DO SISTEMA DE DESIGN (COLOR TOKENS & TYPOGRAPHY) */
:root {
  /* Cores Principais Extraídas da Identidade Visual */
  --color-primary-dark: #071D3A;      /* Azul Marinho Corporativo */
  --color-primary-navy: #102B4C;      /* Azul Marinho Secundário */
  --color-accent-gold: #C69A3B;       /* Dourado Institucional */
  --color-accent-gold-light: #D9B45A; /* Dourado Claro */
  --color-gold-subtle: rgba(198, 154, 59, 0.15);
  
  /* Neutros e Fundos */
  --color-white: #FFFFFF;
  --color-offwhite: #F6F4EF;         /* Off-White Corporativo */
  --color-bg-light: #FAF9F5;
  --color-text-dark: #20252B;         /* Grafite */
  --color-text-muted: #5E6470;        /* Cinza Textual */
  --color-border-light: #E2DFD7;
  --color-border-dark: #1E3A5F;
  
  /* Tipografia */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Sombras & Transições Discretas (Sem Exageros) */
  --shadow-subtle: 0 4px 20px rgba(7, 29, 58, 0.05);
  --shadow-medium: 0 10px 30px rgba(7, 29, 58, 0.08);
  --shadow-header: 0 2px 15px rgba(7, 29, 58, 0.06);
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  /* Layout */
  --max-width: 1280px;
  --header-height: 90px;
  --header-height-scrolled: 72px;
}

/* 2. RESET & BASE STYLES */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background-color: var(--color-offwhite);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 12px 24px;
  z-index: 10000;
  font-weight: 600;
  border: 1px solid var(--color-accent-gold);
  transition: top 0.2s;
}
.skip-link:focus {
  top: 20px;
}

/* 3. LAYOUT UTILITIES & TYPOGRAPHY */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 20px;
}

.section-subtitle {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: 12px;
  position: relative;
  padding-left: 36px;
}

.section-subtitle::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 2px;
  background-color: var(--color-accent-gold);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.25;
  letter-spacing: -0.5px;
}

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

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 720px;
  margin-top: 16px;
  line-height: 1.7;
}

.section-description.light {
  color: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 34px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 2px; /* Estruturado, não arredondado demais */
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: #01081100;
  color: var(--color-white);
  border-color: #c7c8ca;
}

.btn-primary:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-primary-dark);
  border-color: var(--color-accent-gold);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-outline-dark:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-gold {
  background-color: var(--color-accent-gold);
  color: var(--color-primary-dark);
  border-color: var(--color-accent-gold);
}

.btn-gold:hover {
  background-color: var(--color-accent-gold-light);
  border-color: var(--color-accent-gold-light);
}

.btn-icon {
  transition: transform 0.2s ease;
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* 4. HEADER & NAV */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: #031c3d99;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.57); 
  z-index: 1000;
  transition: var(--transition-smooth);
  border-bottom: 1px solid rgba(7, 29, 58, 0.08);
}

.header.scrolled {
  height: var(--header-height-scrolled);
  box-shadow: var(--shadow-header);
  background-color: rgba(198, 154, 59, 0.96);
}

.header.scrolled .nav-link {
  color: #000000;
}

.header.scrolled .nav-link::after {
  background-color: #000000;
}

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

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

.logo-img {
  height: 54px;
  width: auto;
  transition: var(--transition-smooth);
  object-fit: contain;
}

.header.scrolled .logo-img {
  height: 44px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: #a0b3cc;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-gold);
  transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
}

.header-btn {
  padding: 10px 22px;
  font-size: 0.8rem;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--color-primary-dark);
  margin: 6px 0;
  transition: var(--transition-smooth);
}

/* 5. HERO SECTION */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--header-height);
  display: flex;
  align-items: center;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.7) contrast(1.1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(7, 29, 58, 0.95) 0%,
    rgba(16, 43, 76, 0.82) 50%,
    rgba(7, 29, 58, 0.92) 100%
  );
  z-index: 2;
}

.hero-container {
  position: relative;
  z-index: 3;
  padding-top: 60px;
  padding-bottom: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-card-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-anime-container {
  width: 100%;
  max-width: 440px;
  margin-bottom: -10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card-logo {
  height: 240px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  border: none;
  border-radius: 0;
  background: transparent;
  display: block;
  filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.6));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background-color: rgba(198, 154, 59, 0.12);
  border: 1px solid rgba(198, 154, 59, 0.4);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent-gold-light);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: var(--color-white);
}

.hero-title span {
  color: var(--color-accent-gold);
  display: block;
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 1px;
  margin-top: 6px;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  max-width: 620px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-card {
  background: rgba(16, 43, 76, 0.65);
  border: 1px solid rgba(198, 154, 59, 0.3);
  padding: 12px 36px;
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-card-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-card-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-card-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent-gold);
  flex-shrink: 0;
}

/* 6. SEÇÃO SOBRE / QUEM SOMOS */
.about {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  box-shadow: var(--shadow-medium);
  border-left: 4px solid var(--color-accent-gold);
}

.about-experience-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 24px 30px;
  border-bottom: 3px solid var(--color-accent-gold);
  box-shadow: var(--shadow-medium);
}

.about-badge-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-accent-gold);
  text-transform: uppercase;
}

.about-badge-text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 4px;
}

.about-content p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--color-border-light);
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.pillar-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.pillar-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* 7. SEÇÃO DE SOLUÇÕES (8 CATEGORIAS) */
.solutions {
  background-color: var(--color-offwhite);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.solution-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  position: relative;
  height: 100%;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: transparent;
  transition: var(--transition-fast);
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(198, 154, 59, 0.4);
}

.solution-card:hover::before {
  background-color: var(--color-accent-gold);
}

.solution-icon-wrapper {
  width: 56px;
  height: 56px;
  background-color: rgba(7, 29, 58, 0.04);
  border: 1px solid rgba(7, 29, 58, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-primary-dark);
  transition: var(--transition-fast);
}

.solution-card:hover .solution-icon-wrapper {
  background-color: var(--color-primary-dark);
  color: var(--color-accent-gold);
  border-color: var(--color-primary-dark);
}

.solution-icon {
  width: 28px;
  height: 28px;
}

.solution-category {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: 8px;
}

.solution-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  line-height: 1.3;
}

.solution-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.solution-tag {
  font-size: 0.75rem;
  padding: 4px 8px;
  background-color: var(--color-offwhite);
  color: var(--color-primary-navy);
  border: 1px solid rgba(16, 43, 76, 0.1);
  font-weight: 500;
}

.solution-link {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.solution-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.solution-card:hover .solution-link {
  color: var(--color-accent-gold);
}

.solution-card:hover .solution-link svg {
  transform: translateX(4px);
}

/* 8. SEÇÃO "NOSSA FORÇA ESTÁ NA INTEGRAÇÃO" */
.integration {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.integration-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.12;
  object-fit: cover;
}

.integration-container {
  position: relative;
  z-index: 2;
}

.integration-quote {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 300;
  line-height: 1.4;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 60px auto;
  color: rgba(255, 255, 255, 0.95);
  font-style: italic;
}

.integration-quote strong {
  font-weight: 700;
  color: var(--color-accent-gold);
  font-style: normal;
}

.integration-diagram {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}

.integration-node {
  background-color: rgba(16, 43, 76, 0.7);
  border: 1px solid rgba(198, 154, 59, 0.3);
  padding: 28px 16px;
  text-align: center;
  transition: var(--transition-smooth);
}

.integration-node:hover {
  border-color: var(--color-accent-gold);
  background-color: rgba(16, 43, 76, 0.95);
  transform: translateY(-3px);
}

.integration-node-icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent-gold);
  margin: 0 auto 14px auto;
}

.integration-node-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white);
}

/* 9. DIFERENCIAIS INSTITUCIONAIS ("POR QUE MELO BRASIL?") */
.differentials {
  background-color: var(--color-white);
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.differential-card {
  padding: 30px 32px;
  background-color: var(--color-bg-light);
  border-left: 3px solid var(--color-accent-gold);
  border-top: 1px solid var(--color-border-light);
  border-right: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  transition: var(--transition-smooth);
}

.differential-card:hover {
  background-color: var(--color-white);
  box-shadow: var(--shadow-medium);
}

.differential-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.9;
}

.differential-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.differential-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* 10. SEÇÃO DE ATUAÇÃO / AMBIENTES DE ATENDIMENTO */
.sectors {
  background-color: var(--color-offwhite);
  border-top: 1px solid var(--color-border-light);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.sector-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  padding: 28px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition-fast);
}

.sector-item:hover {
  border-color: var(--color-accent-gold);
  box-shadow: var(--shadow-subtle);
}

.sector-icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary-navy);
  flex-shrink: 0;
}

.sector-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.5px;
}

/* 11. SEÇÃO PROCESSO ("COMO TRABALHAMOS") */
.process {
  background-color: var(--color-white);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  width: 80%;
  height: 2px;
  background-color: var(--color-border-light);
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
  background-color: var(--color-white);
  padding: 30px 20px 20px 20px;
  text-align: center;
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--color-primary-dark);
  color: var(--color-accent-gold);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
  border: 2px solid var(--color-accent-gold);
  box-shadow: 0 0 0 6px var(--color-white);
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* 12. SEÇÃO CONTATO & FORMULÁRIO */
.contact {
  background-color: var(--color-offwhite);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 48px 40px;
  border-left: 4px solid var(--color-accent-gold);
}

.contact-info-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.contact-info-text {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail-icon {
  width: 22px;
  height: 22px;
  color: var(--color-accent-gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-detail-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent-gold);
  margin-bottom: 4px;
}

.contact-detail-value {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

.contact-form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  padding: 44px;
  box-shadow: var(--shadow-medium);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: 2px;
  color: var(--color-text-dark);
  transition: var(--transition-fast);
}

.form-control:focus {
  background-color: var(--color-white);
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 3px rgba(198, 154, 59, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  font-size: 0.8rem;
  color: #d32f2f;
  display: none;
  margin-top: 4px;
}

.form-group.error .form-control {
  border-color: #d32f2f;
}

.form-group.error .form-error {
  display: block;
}

.form-status {
  padding: 16px;
  margin-top: 20px;
  display: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-status.success {
  display: block;
  background-color: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

/* 13. WHATSAPP FLOATING BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: 40px;
  border: 1px solid var(--color-accent-gold);
  box-shadow: 0 6px 20px rgba(7, 29, 58, 0.25);
  transition: var(--transition-smooth);
}

.whatsapp-float:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-primary-dark);
  transform: translateY(-3px);
}

.whatsapp-icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.whatsapp-text {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* 14. FOOTER */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding-top: 80px;
  padding-bottom: 30px;
  border-top: 3px solid var(--color-accent-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-logo {
  height: 180px;
  width: auto;
  margin-bottom: 20px;
  object-fit: contain;
  /* Garante nitidez do fundo branco da logo no footer */
  background: #ffffff;
  padding: 6px 12px;
  border-radius: 2px;
  display: inline-block;
}

.footer-tagline {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  max-width: 320px;
}

.footer-column-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent-gold);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a:hover {
  color: var(--color-accent-gold);
}

/* Modal Legal / Privacidade */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(7, 29, 58, 0.85);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--color-white);
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: var(--shadow-medium);
  border-top: 4px solid var(--color-accent-gold);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-primary-dark);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
}

.modal-body {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* 15. RESPONSIVIDADE (MOBILE-FIRST BREAKPOINTS) */
@media (max-width: 1200px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .integration-diagram {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .differentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-steps::before {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  
  /* Mobile Menu active states */
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    border-bottom: 2px solid var(--color-accent-gold);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5deg, 6deg);
  }
  
  .mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5deg, -6deg);
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  
  .hero-card-logo {
    height: 300px;
    margin-bottom: 20px;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .solutions-grid,
  .integration-diagram,
  .differentials-grid,
  .sectors-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .contact-form-card {
    padding: 24px;
  }
  
  .whatsapp-text {
    display: none;
  }
  
  .whatsapp-float {
    padding: 12px;
    border-radius: 50%;
  }
}

/* 16. 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;
    scroll-behavior: auto !important;
  }
}