/* ==========================================================
   1. SISTEMA DE DESIGN & VARIÁVEIS
   ========================================================== */
:root {
  /* Cores */
  --bg-dark: #151217;
  --bg-header: #18191D;
  --bg-footer: #0D0D0F;
  --bg-light: #F4F4F4;
  --surface-light: #FAFAFA;
  
  --copper-dark: #7A4E36;
  --copper-main: #9A6A4D;
  --copper-on-dark: #C08A66;

  --border-light: rgba(0, 0, 0, 0.12);
  --border-dark: rgba(255, 255, 255, 0.12);

  --text-dark: #2A2A2A;
  --text-light: #B8B1AA;
  --text-muted: #6B6B6B;
  --text-light-muted: #8E8882;

  /* Forma & Tipografia */
  --radius-single: 2px;
  --font-main: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

/* Acessibilidade: Foco visível */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--copper-main);
  outline-offset: 3px;
}

/* ==========================================================
   3. TIPOGRAFIA & COMPONENTES REUTILIZÁVEIS
   ========================================================== */
.section-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}

.sec-light .section-label {
  color: var(--copper-dark);
}

.sec-dark .section-label {
  color: var(--copper-on-dark);
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-align: left;
}

.sec-light .section-title {
  color: var(--text-dark);
}

.sec-dark .section-title {
  color: #FFFFFF;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 12px;
  max-width: 65ch;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-main);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-single);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.btn-copper {
  background-color: var(--copper-main);
  color: #FFFFFF;
}

.btn-copper:hover {
  background-color: var(--copper-dark);
}

.btn-outline-hero {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
}

.btn-outline-hero:hover {
  border-color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-outline-nav,
.btn-outline-dark {
  background-color: transparent;
  border-color: var(--border-dark);
  color: var(--text-light);
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-outline-nav:hover,
.btn-outline-dark:hover {
  border-color: var(--copper-on-dark);
  color: #FFFFFF;
}

/* ==========================================================
   4. LAYOUT GERAL DAS SEÇÕES (ASSIMÉTRICO 1/3 + 2/3)
   ========================================================== */
.section {
  padding: 96px 0;
  scroll-margin-top: 80px;
}

.sec-light {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.sec-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.layout-split {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

@media (min-width: 1025px) {
  .sec-header {
    position: sticky;
    top: 112px;
    align-self: start;
  }
}

/* ==========================================================
   5. HEADER / NAVEGAÇÃO
   ========================================================== */
.site-header {
  background-color: var(--bg-header);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--copper-on-dark);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 12px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #FFFFFF;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================
   6. HERO
   ========================================================== */
.hero {
  background-color: var(--bg-dark);
  background-image: 
    linear-gradient(to right, var(--bg-dark) 0%, transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 1px, transparent 1px, transparent 64px);
  min-height: calc(100vh - 90px);
  min-height: 740px;
  display: flex;
  align-items: center;
  padding: 96px 0;
  border-bottom: 1px solid var(--border-dark);
  scroll-margin-top: 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 24px;
}

.hero-copy .lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-light);
  max-width: 65ch;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.hero-logo-box {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-logo-img {
  max-width: 320px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-single);
}

/* ==========================================================
   7. COMO FUNCIONA
   ========================================================== */
.steps-list {
  display: flex;
  flex-direction: column;
}

.step-item {
  display: grid;
  grid-template-columns: 60px 180px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 32px 0;
  border-top: 1px solid var(--border-light);
}

.step-item:last-child {
  border-bottom: 1px solid var(--border-light);
}

.step-number {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--copper-dark);
}

.step-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
}

.step-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 65ch;
}

/* ==========================================================
   8. METODOLOGIA
   ========================================================== */
.meta-column {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.meta-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.meta-copy p {
  color: var(--text-light);
  max-width: 65ch;
}

.meta-copy strong {
  color: #FFFFFF;
}

.meta-copy .meta-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: #FFFFFF;
}

.meta-copy .meta-footnote {
  color: var(--text-light-muted);
  font-size: 0.9375rem;
  padding-top: 12px;
  border-top: 1px solid var(--border-dark);
}

.vscore-panel {
  border: 1px solid var(--border-dark);
  background-color: rgba(255, 255, 255, 0.02);
  padding: 32px;
  border-radius: var(--radius-single);
  margin-top: 48px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
}

.vscore-brand {
  background-color: rgba(255, 255, 255, 0.02);
  padding: 12px 5px;
  border-radius: var(--radius-single);
  display: inline-block;
}

.vscore-logo {
  height: 120px;
  width: auto;
  object-fit: contain;
}

.vscore-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.vscore-desc {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ==========================================================
   9. SOLUÇÕES
   ========================================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border-light);
  border-left: 1px solid var(--border-light);
}

.solution-item {
  padding: 40px 32px;
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background-color: transparent;
}

.solution-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  margin-top: 0;
  margin-bottom: 20px;
  margin-left: auto;
  margin-right: auto;
  display: block;
  filter: grayscale(100%) brightness(0.3);
}

.solution-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.solution-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 50ch;
}

/* ==========================================================
   10. MANIFESTO
   ========================================================== */
.manifesto-body {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.manifesto-body .impact {
  font-size: 1.375rem;
  font-weight: 500;
  line-height: 1.6;
  color: #FFFFFF;
  border-left: 3px solid var(--copper-main);
  padding-left: 24px;
  margin: 12px 0 24px 0;
}

.manifesto-p {
  color: var(--text-light);
  font-size: 1rem;
}

.manifesto-p strong {
  color: #FFFFFF;
}

.manifesto-statement {
  font-weight: 600;
  color: #FFFFFF;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.manifesto-list {
  list-style: none;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
}

.manifesto-list li {
  padding: 14px 0;
  border-top: 1px solid var(--border-dark);
  color: #FFFFFF;
  font-size: 1.0625rem;
}

.manifesto-list li:last-child {
  border-bottom: 1px solid var(--border-dark);
}

.manifesto-body .closing {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  color: var(--copper-on-dark);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* ==========================================================
   11. CONTATO
   ========================================================== */
.contact-wrapper {
  max-width: 650px;
}

.contact-intro {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 12px;
  max-width: 65ch;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background-color: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-single);
  font-family: var(--font-main);
  font-size: 0.9375rem;
  color: var(--text-dark);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--copper-main);
}

.form-actions {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

.btn-whatsapp-inline {
  background-color: transparent;
  border-color: var(--border-light);
  color: var(--text-dark);
  text-decoration: none;
  padding: 12px 20px;
  font-size: 0.875rem;
}

.btn-whatsapp-inline:hover {
  border-color: var(--text-dark);
  color: #000000;
}

/* ==========================================================
   12. RODAPÉ
   ========================================================== */
.site-footer {
  background-color: var(--bg-footer);
  color: var(--text-light-muted);
  padding: 48px 0;
  border-top: 1px solid var(--border-dark);
  font-size: 0.875rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-small {
  color: var(--text-light-muted);
  font-size: 0.875rem;
}

/* ==========================================================
   13. WHATSAPP FLUTUANTE
   ========================================================== */
.whatsapp-float {
  position: fixed;
  right: 32px;
  bottom: 32px;
  background-color: var(--copper-main);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-single);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  transition: background-color 0.2s ease;
}

.whatsapp-float:hover {
  background-color: var(--copper-dark);
}

.whatsapp-float img {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

/* ==========================================================
   14. RESPONSIVIDADE (MOBILE & TABLET)
   ========================================================== */
@media (max-width: 1200px) {
  .step-item {
    grid-template-columns: 48px 1fr;
    gap: 12px 16px;
  }

  .step-desc {
    grid-column: 2 / -1;
  }
}

@media (max-width: 1100px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--bg-header);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 20px;
    gap: 20px;
    border-bottom: 1px solid var(--border-dark);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-actions {
    flex-direction: column;
    width: 100%;
    margin-left: 0;
    margin-top: 12px;
    gap: 12px;
  }

  .nav-actions .btn {
    width: 100%;
  }
}

@media (max-width: 1024px) {
  .sec-header {
    position: static;
  }

  .layout-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-logo-box {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 64px 0;
  }

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .vscore-panel {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* Desativação de animações se o usuário preferir reduzido */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}