/* ========================================
   CHROMA SOLUÇÕES - DESIGN SYSTEM v2.0
   
   Princípios aplicados:
   - "Não Me Faça Pensar" (Steve Krug): hierarquia clara, zero ruído
   - Teoria das Cores: paleta harmônica análoga + acento complementar
   - Design do Amanhã: tipografia expressiva, espaço generoso, formas orgânicas
   ======================================== */

:root {
  /* === PALETA DE CORES ===
     Harmonia análoga (azul-violeta) com acento complementar (verde-esmeralda)
     Contraste WCAG AA garantido em todas as combinações texto/fundo */
  
  /* Primárias - Tom principal mais quente e acessível */
  --primary: #5B4FE8;
  --primary-light: #7C6FF0;
  --primary-dark: #4338CA;
  --primary-subtle: #EEF2FF;
  
  /* Secundárias - Análoga ao primário */
  --secondary: #7E22CE;
  --secondary-light: #A855F7;
  
  /* Acento - Complementar para CTAs e sucesso */
  --accent: #059669;
  --accent-light: #10B981;
  --accent-subtle: #ECFDF5;

  /* Neutros - Escala refinada para legibilidade */
  --dark: #1E1B4B;
  --dark-soft: #312E81;
  --gray-900: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50: #F9FAFB;
  --white: #FFFFFF;
  
  /* Feedback */
  --danger: #DC2626;
  --warning: #D97706;
  --info: #2563EB;
  
  /* Gradientes - Suaves e modernos */
  --gradient-primary: linear-gradient(135deg, #5B4FE8 0%, #7E22CE 100%);
  --gradient-hero: linear-gradient(160deg, #1E1B4B 0%, #312E81 40%, #3B0764 100%);
  --gradient-surface: linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%);
  --gradient-accent: linear-gradient(135deg, #059669 0%, #10B981 100%);

  /* === TIPOGRAFIA ===
     Inter para corpo (legibilidade), pesos expressivos para hierarquia */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Escala tipográfica modular (ratio 1.25 - Major Third) */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 2rem;       /* 32px */
  --text-4xl: 2.5rem;     /* 40px */
  --text-5xl: 3.25rem;    /* 52px */
  --text-6xl: 4rem;       /* 64px */
  
  /* === ESPAÇAMENTO ===
     Escala 8pt para ritmo visual consistente */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-7: 2.5rem;    /* 40px */
  --space-8: 3rem;      /* 48px */
  --space-10: 4rem;     /* 64px */
  --space-12: 5rem;     /* 80px */
  --space-16: 7rem;     /* 112px */
  --space-20: 9rem;     /* 144px */

  /* === SOMBRAS === */
  --shadow-xs: 0 1px 2px rgba(30, 27, 75, 0.04);
  --shadow-sm: 0 2px 4px rgba(30, 27, 75, 0.06);
  --shadow-md: 0 4px 12px rgba(30, 27, 75, 0.08);
  --shadow-lg: 0 8px 24px rgba(30, 27, 75, 0.12);
  --shadow-xl: 0 16px 40px rgba(30, 27, 75, 0.16);
  --shadow-glow: 0 4px 20px rgba(91, 79, 232, 0.25);
  --shadow-glow-lg: 0 8px 32px rgba(91, 79, 232, 0.35);
  
  /* === BORDAS === */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* === TRANSIÇÕES === */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
}

/* ========================================
   RESET & BASE
   ======================================== */

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

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

body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ========================================
   TIPOGRAFIA - Hierarquia clara (Krug: escaneabilidade)
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-base);
  font-weight: 700;
  line-height: 1.15;
  color: var(--dark);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl)); font-weight: 800; }
h2 { font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl)); }
h3 { font-size: var(--text-xl); }

p {
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 65ch; /* Largura ideal para leitura */
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover { color: var(--primary-dark); }

/* ========================================
   LAYOUT
   ======================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ========================================
   COMPONENTES - Botões
   Krug: CTAs devem ser óbvios e inequívocos
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: var(--radius-xl);
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
}

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

.btn-secondary {
  background: var(--white);
  border: 2px solid var(--gray-200);
  color: var(--gray-700);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-subtle);
}

/* Botão secundário em fundos escuros (hero, cta-final) */
.hero .btn-secondary,
.cta-final .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
}

.hero .btn-secondary:hover,
.cta-final .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--white);
  color: var(--white);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: var(--text-lg);
}

/* Submit button inside contact form */
.contact-form .btn-primary {
  width: 100%;
  margin-top: var(--space-4);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto var(--space-10);
  text-align: center;
}

/* ========================================
   NAVEGAÇÃO
   Krug: Navegação deve ser auto-evidente, sem pensar
   Design do Amanhã: Glassmorphism sutil, limpo
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
  padding: var(--space-4) 0;
  transition: all var(--duration-base) var(--ease-out);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo img {
  height: 44px;
  width: auto;
  transition: transform var(--duration-base) var(--ease-out);
}

.navbar-logo img:hover {
  transform: scale(1.04);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--space-1);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-subtle);
}

/* CTA na Navbar - Destaque claro (Krug: ação principal óbvia) */
.cta-button {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-base);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  box-shadow: var(--shadow-glow);
}

.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-lg);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .navbar-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: var(--space-8) var(--space-6);
    gap: var(--space-6);
    transform: translateX(-100%);
    transition: transform var(--duration-slow) var(--ease-out);
  }

  .navbar-menu.active { transform: translateX(0); }
  .navbar-nav { flex-direction: column; gap: var(--space-2); }
  .nav-link { font-size: var(--text-lg); padding: var(--space-3) var(--space-4); }
}

/* ========================================
   HERO SECTION
   Teoria das Cores: fundo escuro profundo cria drama e foco
   Design do Amanhã: espaço generoso, tipografia como protagonista
   ======================================== */

.hero {
  margin-top: 68px;
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.6;
}

#particlesCanvas {
  position: absolute;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: var(--space-10) var(--space-6);
  max-width: 820px;
}

.hero-title {
  font-size: clamp(var(--text-4xl), 7vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: var(--space-6);
  color: var(--white);
  letter-spacing: -0.03em;
  animation: fadeInUp 0.7s var(--ease-out) both;
}

.hero-subtitle {
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl));
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-8);
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.7s var(--ease-out) 0.1s both;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
  animation: fadeInUp 0.7s var(--ease-out) 0.2s both;
}

/* Hero Stats - Prova social imediata (Krug: credibilidade rápida) */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 0.7s var(--ease-out) 0.3s both;
}

.stat { text-align: center; }

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--white);
  display: block;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  display: block;
  margin-top: var(--space-1);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   SERVIÇOS
   Krug: Cards escaneáveis, informação em camadas
   Teoria das Cores: fundo neutro, ícones coloridos como âncoras visuais
   ======================================== */

.services {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.services h2 {
  text-align: center;
  margin-bottom: var(--space-4);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.service-card {
  background: var(--white);
  padding: var(--space-7);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--gray-200);
  transition: all var(--duration-slow) var(--ease-out);
  position: relative;
}

.service-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-subtle);
  border-radius: var(--radius-xl);
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: var(--space-5);
  transition: all var(--duration-slow) var(--ease-out);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: var(--white);
  transform: scale(1.08);
}

.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--dark);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin-bottom: var(--space-5);
  line-height: 1.7;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.service-features li {
  font-size: var(--text-sm);
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.service-features i {
  color: var(--accent);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

/* ========================================
   PROCESSO / TIMELINE
   Krug: Passos numerados = progresso claro, sem ambiguidade
   Design do Amanhã: Grid limpo, marcadores como âncoras
   ======================================== */

.processo {
  padding: var(--space-20) 0;
  background: var(--white);
}

.processo h2 {
  text-align: center;
  margin-bottom: var(--space-4);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.timeline-item {
  padding: var(--space-6);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all var(--duration-slow) var(--ease-out);
}

.timeline-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.timeline-marker {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: var(--white);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.timeline-content h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.timeline-content p {
  font-size: var(--text-sm);
  color: var(--gray-500);
  line-height: 1.6;
}

/* ========================================
   CLIENTES
   Krug: Prova social = confiança instantânea
   ======================================== */

.customers {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.customers h2 {
  text-align: center;
  margin-bottom: var(--space-4);
}

.customers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.customer-card {
  padding: var(--space-7);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  text-align: center;
  transition: all var(--duration-slow) var(--ease-out);
}

.customer-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.customer-card img {
  max-width: 100%;
  height: auto;
  max-height: 80px;
  margin-bottom: var(--space-5);
  object-fit: contain;
  opacity: 0.85;
  transition: opacity var(--duration-base);
}

.customer-card:hover img { opacity: 1; }

.customer-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.customer-card p {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin: 0 auto;
}

.customers-cta {
  text-align: center;
  padding: var(--space-8);
  background: var(--primary-subtle);
  border-radius: var(--radius-2xl);
  margin-top: var(--space-8);
}

.customers-cta p {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--dark);
  margin: 0 auto var(--space-5);
}

/* ========================================
   SOBRE / WHY CHOOSE
   Teoria das Cores: ícones com gradiente primário = consistência
   ======================================== */

.sobre {
  padding: var(--space-20) 0;
  background: var(--white);
}

.sobre h2 {
  text-align: center;
  margin-bottom: var(--space-10);
}

.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.why-item {
  padding: var(--space-7);
  background: var(--gray-50);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all var(--duration-slow) var(--ease-out);
}

.why-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  background: var(--white);
}

.why-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: 1.25rem;
  margin: 0 auto var(--space-5);
  transition: transform var(--duration-slow) var(--ease-out);
}

.why-item:hover .why-icon {
  transform: scale(1.1);
}

.why-item h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.why-item p {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin: 0 auto;
  line-height: 1.6;
}

/* Tech Stack */
.tech-stack {
  text-align: center;
  padding: var(--space-8);
  background: var(--gray-50);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--gray-200);
}

.tech-stack h3 {
  margin-bottom: var(--space-3);
}

.tech-stack p {
  margin: 0 auto var(--space-6);
}

.tech-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-7);
  flex-wrap: wrap;
}

.tech-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  transition: transform var(--duration-base) var(--ease-out);
}

.tech-icon:hover { transform: translateY(-3px); }

.tech-icon i {
  font-size: 2.25rem;
  color: var(--gray-400);
  transition: color var(--duration-base) var(--ease-out);
}

.tech-icon:hover i { color: var(--primary); }

.tech-icon span {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--gray-500);
}

/* ========================================
   FAQ
   Krug: Respostas rápidas, sem fricção
   ======================================== */

.faq {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.faq h2 {
  text-align: center;
  margin-bottom: var(--space-4);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--dark);
  user-select: none;
  list-style: none;
  transition: background-color var(--duration-fast);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover {
  background-color: var(--primary-subtle);
}

.faq-item summary i {
  transition: transform var(--duration-base) var(--ease-out);
  color: var(--primary);
  font-size: var(--text-sm);
}

.faq-item[open] summary i {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--gray-600);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ========================================
   CTA FINAL
   Teoria das Cores: fundo escuro = urgência e foco no CTA
   ======================================== */

.cta-final {
  padding: var(--space-16) var(--space-6);
  background: var(--gradient-hero);
  color: var(--white);
  text-align: center;
  border-radius: var(--radius-3xl);
  margin: var(--space-12) auto;
  max-width: 1000px;
}

.cta-final h2 {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.cta-final p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-lg);
  margin: 0 auto var(--space-8);
  max-width: 500px;
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   FORMULÁRIO DE CONTATO
   Krug: Formulário curto, labels claros, feedback imediato
   Design do Amanhã: Inputs generosos, foco visual claro
   ======================================== */

.contact {
  padding: var(--space-20) 0;
  background: var(--white);
}

.contact h2 {
  text-align: left;
  margin-bottom: var(--space-4);
  font-size: var(--text-2xl);
}

.contact-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-form-wrapper h2 { display: none; }

.contact-form {
  background: var(--gray-50);
  padding: var(--space-7);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--gray-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

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

.form-group label {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-lg);
  font-family: var(--font-base);
  font-size: var(--text-sm);
  color: var(--dark);
  background: var(--white);
  transition: all var(--duration-fast) var(--ease-out);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(91, 79, 232, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group.checkbox {
  flex-direction: row;
  align-items: center;
  margin: var(--space-4) 0;
}

.form-group.checkbox input {
  width: 18px;
  height: 18px;
  margin-right: var(--space-3);
  cursor: pointer;
  accent-color: var(--primary);
}

.form-group.checkbox label {
  margin: 0;
  cursor: pointer;
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--gray-600);
}

/* Contact Info Sidebar */
.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.benefits-title {
  font-size: var(--text-xl);
  color: var(--dark);
  margin: 0;
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.benefits-list i {
  color: var(--primary);
  font-size: var(--text-base);
  flex-shrink: 0;
  margin-top: 2px;
}

.benefits-list strong {
  color: var(--dark);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}

.benefit-desc {
  color: var(--gray-500);
  font-size: var(--text-sm);
}

.contact-quick {
  background: var(--accent-subtle);
  border: 1px solid rgba(5, 150, 105, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}

.contact-quick p {
  color: var(--gray-600);
  margin: 0 0 var(--space-4) 0;
  font-size: var(--text-sm);
}

@media (max-width: 1024px) {
  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 576px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   FOOTER
   Design do Amanhã: Limpo, informação organizada
   ======================================== */

.footer {
  background: var(--gradient-hero);
  color: var(--white);
  padding: var(--space-12) 0 var(--space-6);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section h4 {
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--space-2);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  transition: color var(--duration-fast);
}

.footer-section a:hover { color: var(--white); }

.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.social-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-out);
}

.social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-6);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-xs);
}

/* ========================================
   PORTFOLIO (se existir)
   ======================================== */

.portfolio {
  padding: var(--space-20) 0;
  background: var(--white);
}

.portfolio h2 {
  text-align: center;
  margin-bottom: var(--space-4);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--gradient-primary);
  border-color: var(--primary);
  color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.portfolio-item {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all var(--duration-slow) var(--ease-out);
}

.portfolio-item.hidden { display: none; }

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-subtle), #fce7f3);
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.04);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30, 27, 75, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-base);
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-item h3 {
  padding: var(--space-5) var(--space-5) 0;
  font-size: var(--text-base);
}

.portfolio-category {
  padding: 0 var(--space-5);
  font-size: var(--text-xs);
  text-transform: uppercase;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.portfolio-description {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.portfolio-stats {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--gray-200);
  font-size: var(--text-xs);
  color: var(--gray-600);
}

.portfolio-cta {
  text-align: center;
  padding: var(--space-8);
  background: var(--primary-subtle);
  border-radius: var(--radius-2xl);
  margin-top: var(--space-8);
}

.portfolio-cta p {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 auto var(--space-5);
  color: var(--dark);
}

/* ========================================
   RESPONSIVIDADE GLOBAL
   Krug: Mobile = ainda mais simples, zero ruído
   ======================================== */

@media (max-width: 768px) {
  .hero { min-height: 85vh; }
  
  .hero-content { padding: var(--space-8) var(--space-5); }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }
  
  .hero-stats {
    flex-direction: row;
    gap: var(--space-8);
  }

  .services-grid,
  .portfolio-grid,
  .customers-grid {
    grid-template-columns: 1fr;
  }

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

  .cta-final {
    margin: var(--space-8) var(--space-4);
    padding: var(--space-10) var(--space-5);
    border-radius: var(--radius-2xl);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn { width: 100%; max-width: 280px; }

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

  .why-choose-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  
  .service-card,
  .timeline-item,
  .why-item,
  .customer-card {
    padding: var(--space-5);
  }

  .contact-form { padding: var(--space-5); }
}

/* ========================================
   ANIMAÇÕES
   Design do Amanhã: Sutis, funcionais, não decorativas
   ======================================== */

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Respeitar preferência do usuário */
@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;
  }
}

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

.hidden { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Toast Notifications */
.toast {
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-lg);
  animation: slideInRight 0.3s var(--ease-out);
}

/* ========================================
   SELEÇÃO DE TEXTO
   Teoria das Cores: Seleção com cor da marca
   ======================================== */

::selection {
  background: rgba(91, 79, 232, 0.15);
  color: var(--dark);
}

/* ========================================
   SCROLLBAR CUSTOMIZADA
   Design do Amanhã: Detalhes refinados
   ======================================== */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ========================================
   FOCUS STATES - Acessibilidade
   ======================================== */

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}