/* ==========================================================================
   NIZATECH 3D — DESIGN SYSTEM & ESTILOS PRINCIPAIS
   Estilo: Tech Moderno, Clean, Premium, B2B SaaS / Apple Aesthetic
   ========================================================================== */

/* --- VARIÁVEIS DE DESIGN & TEMA --- */
:root {
  /* Cores Base */
  --bg-primary: #07090e;
  --bg-secondary: #0d1117;
  --bg-tertiary: #131924;
  --bg-card: rgba(19, 25, 36, 0.7);
  --bg-card-hover: rgba(26, 35, 51, 0.85);
  --bg-glass: rgba(13, 17, 23, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 102, 255, 0.4);
  --border-glow: rgba(0, 210, 255, 0.3);

  /* Cores Tipográficas */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #38bdf8;

  /* Cores de Destaque Tecnológico (Azul Elétrico & Violeta Suave) */
  --brand-blue: #0066ff;
  --brand-blue-light: #00d2ff;
  --brand-purple: #7928ca;
  --brand-indigo: #6366f1;
  --brand-gradient: linear-gradient(135deg, #0066ff 0%, #00d2ff 50%, #6366f1 100%);
  --brand-gradient-subtle: linear-gradient(135deg, rgba(0, 102, 255, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  --text-gradient: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  --text-gradient-accent: linear-gradient(135deg, #00d2ff 0%, #0066ff 50%, #a855f7 100%);

  /* WhatsApp & Ações */
  --whatsapp-green: #25d366;
  --whatsapp-hover: #20bd5a;
  --whatsapp-glow: rgba(37, 211, 102, 0.25);

  /* Sombras & Brilhos Sutis */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px -8px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(0, 102, 255, 0.2);
  --shadow-glow-cyan: 0 0 35px rgba(0, 210, 255, 0.25);

  /* Tipografia */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout & Espaçamento */
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transições */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- RESET & BASICS --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Fundo sutil com grid de engenharia 3D e iluminação de estúdio */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 102, 255, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 90% 40%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(0, 210, 255, 0.06) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 64px 64px, 64px 64px;
  pointer-events: none;
  z-index: 0;
}

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

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  transition: var(--transition-fast);
}

/* --- UTILITÁRIOS --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.section-spacing {
  padding-top: 100px;
  padding-bottom: 100px;
  position: relative;
  z-index: 1;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.25);
  color: var(--brand-blue-light);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag svg {
  width: 14px;
  height: 14px;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.gradient-text {
  background: var(--text-gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --- BOTÕES PREMIUM --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent 20%,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 30%
  );
  transform: rotate(30deg);
  transition: transform 0.8s ease;
  pointer-events: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0073ff 0%, #005ce6 100%);
  box-shadow: 0 6px 28px rgba(0, 102, 255, 0.5), 0 0 15px rgba(0, 210, 255, 0.4);
  transform: translateY(-2px);
}

.btn-primary:hover::after {
  transform: rotate(30deg) translate(50%, -50%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: var(--brand-blue-light);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #1da851 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #2ae06d 0%, #1fb557 100%);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   HEADER FIXO & NAVEGAÇÃO
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(7, 9, 14, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(7, 9, 14, 0.92);
  border-bottom-color: rgba(0, 102, 255, 0.2);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.site-logo-img {
  height: 46px;
  width: 46px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 16px rgba(0, 102, 255, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.footer-logo-img {
  height: 52px;
  width: 52px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.45);
}

.logo:hover .site-logo-img {
  transform: scale(1.06);
  box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
  border-color: rgba(0, 210, 255, 0.5);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-gradient);
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 102, 255, 0.4);
}

.logo-text span {
  color: var(--brand-blue-light);
  font-weight: 700;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--brand-gradient);
  transition: var(--transition-normal);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:hover {
  color: #ffffff;
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.hamburger-btn span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: #ffffff;
  border-radius: 2px;
  transition: var(--transition-fast);
}

.hamburger-btn.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger-btn.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Menu Mobile Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-subtle);
  padding: 100px 32px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1050;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
}

.mobile-menu.active {
  right: 0;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-links a:hover {
  color: var(--brand-blue-light);
  padding-left: 8px;
}

.mobile-menu-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1020;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.mobile-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4.8vw, 3.9rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-subheadline {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-trust-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero-trust-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-trust-badges .dot-sep {
  color: var(--brand-blue-light);
  font-weight: bold;
}

/* Hero Visual Showcase */
.hero-visual {
  position: relative;
}

.hero-card-showcase {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: var(--transition-normal);
}

.hero-card-showcase:hover {
  border-color: var(--border-focus);
  transform: translateY(-4px);
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 11;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-card-showcase:hover .hero-image-wrapper img {
  transform: scale(1.03);
}

/* Floating Spec Badges */
.floating-spec {
  position: absolute;
  padding: 10px 16px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: floatSlow 4s ease-in-out infinite alternate;
  z-index: 3;
}

.floating-spec-1 {
  top: 24px;
  right: -16px;
  border-left: 3px solid var(--brand-blue-light);
}

.floating-spec-2 {
  bottom: 24px;
  left: -16px;
  animation-delay: -2s;
  border-left: 3px solid var(--whatsapp-green);
}

.floating-icon-nfc {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-blue-light);
}

@keyframes floatSlow {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

/* ==========================================================================
   SEÇÃO 2 — PROPOSTA DE VALOR & FLUXO
   ========================================================================== */
.value-prop-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.workflow-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  margin-top: 50px;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
  backdrop-filter: blur(8px);
}

.workflow-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.workflow-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px auto;
  border-radius: 16px;
  background: var(--brand-gradient-subtle);
  border: 1px solid rgba(0, 102, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-blue-light);
}

.workflow-step-num {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand-blue-light);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.workflow-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.workflow-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.workflow-arrow {
  position: absolute;
  top: 50%;
  right: -16px;
  transform: translateY(-50%);
  color: var(--brand-blue);
  z-index: 2;
  font-size: 1.2rem;
}

/* ==========================================================================
   SEÇÃO 3 — CATÁLOGO COMERCIAL & FILTROS
   ========================================================================== */
.catalog-section {
  position: relative;
}

/* Filtros de Categoria */
.category-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
  border-color: var(--brand-blue-light);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(0, 102, 255, 0.25);
}

/* Grid de Produtos */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  backdrop-filter: blur(8px);
  position: relative;
}

.product-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-md), 0 0 25px rgba(0, 102, 255, 0.15);
  transform: translateY(-6px);
}

.product-image-container {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #0b0e14;
}

.product-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image-container img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(7, 9, 14, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--brand-blue-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}

.product-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.product-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.product-feature-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.product-card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-card-actions .btn {
  width: 100%;
}

/* ==========================================================================
   SEÇÃO NFC INTERATIVA
   ========================================================================== */
.nfc-section {
  background: radial-gradient(circle at 70% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 60%),
              var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.nfc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.nfc-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
}

.nfc-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.nfc-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 210, 255, 0.1);
  color: var(--brand-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nfc-feature-text h4 {
  font-size: 0.98rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 2px;
}

.nfc-feature-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Simulador NFC Phone */
.nfc-simulator-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nfc-phone-mockup {
  width: 300px;
  height: 540px;
  background: #0b0e14;
  border: 4px solid #232d3f;
  border-radius: 36px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 102, 255, 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-notch {
  width: 110px;
  height: 18px;
  background: #232d3f;
  border-radius: 0 0 14px 14px;
  margin: 0 auto;
}

.phone-screen {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
}

.nfc-pulse-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.1);
  border: 2px solid var(--brand-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-blue-light);
  animation: pulseNfc 2.5s infinite;
  margin-bottom: 24px;
}

@keyframes pulseNfc {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 210, 255, 0.4); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(0, 210, 255, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 210, 255, 0); }
}

.nfc-phone-tag-chip {
  position: absolute;
  bottom: 40px;
  right: -20px;
  background: rgba(13, 17, 23, 0.95);
  border: 1px solid var(--border-glow);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatSlow 3s ease-in-out infinite alternate;
}

/* ==========================================================================
   SEÇÃO PERSONALIZAÇÃO (WORKFLOW)
   ========================================================================== */
.customization-section {
  position: relative;
}

.custom-steps-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 48px;
  margin-bottom: 48px;
}

.custom-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
}

.custom-step-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.custom-step-badge {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-blue-light);
  margin-bottom: 12px;
  opacity: 0.85;
}

.custom-step-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.custom-step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.customization-cta-box {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 36px;
  background: var(--brand-gradient-subtle);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: var(--radius-lg);
}

.customization-cta-box p {
  font-size: 1.15rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 20px;
}

/* ==========================================================================
   SEÇÃO "PARA QUEM" (SEGMENTOS)
   ========================================================================== */
.target-audience-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.target-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.target-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.target-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 102, 255, 0.1);
  color: var(--brand-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.target-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.target-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   SEÇÃO COMO FUNCIONA (TIMELINE)
   ========================================================================== */
.how-it-works-section {
  position: relative;
}

.timeline-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin: 50px 0;
  position: relative;
}

.timeline-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  position: relative;
  transition: var(--transition-normal);
}

.timeline-step:hover {
  border-color: var(--border-focus);
  transform: translateY(-4px);
}

.timeline-num {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-blue-light);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   SEÇÃO DIFERENCIAIS
   ========================================================================== */
.differentials-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.differential-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition-normal);
}

.differential-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.diff-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px auto;
  border-radius: 14px;
  background: var(--brand-gradient-subtle);
  border: 1px solid rgba(0, 102, 255, 0.2);
  color: var(--brand-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.diff-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.diff-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   SEÇÃO PORTFÓLIO ("IDEIAS QUE GANHARAM FORMA")
   ========================================================================== */
.portfolio-section {
  position: relative;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  aspect-ratio: 4 / 3;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7, 9, 14, 0.95) 0%, rgba(7, 9, 14, 0.2) 60%, transparent 100%);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0.85;
  transition: var(--transition-normal);
}

.portfolio-item:hover img {
  transform: scale(1.06);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
  background: linear-gradient(0deg, rgba(7, 9, 14, 0.98) 0%, rgba(7, 9, 14, 0.4) 60%, transparent 100%);
}

.portfolio-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brand-blue-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

/* ==========================================================================
   SEÇÃO INSTAGRAM
   ========================================================================== */
.instagram-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 60px 0;
  text-align: center;
}

.instagram-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.insta-info {
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
}

.insta-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.insta-handle {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
}

/* ==========================================================================
   SEÇÃO DEPOIMENTOS (PLACEHOLDERS EDITÁVEIS)
   ========================================================================== */
.testimonials-section {
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.testimonial-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-size: 0.95rem;
  color: #e2e8f0;
  line-height: 1.6;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-client {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 18px;
}

.client-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-gradient-subtle);
  border: 1px solid rgba(0, 102, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--brand-blue-light);
}

.client-name {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
}

.client-role {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SEÇÃO FAQ (PERGUNTAS FREQUENTES)
   ========================================================================== */
.faq-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 600;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--brand-blue-light);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--brand-blue);
  color: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}

.faq-answer-inner {
  padding: 0 28px 24px 28px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   CTA FINAL DE ALTO IMPACTO
   ========================================================================== */
.final-cta-section {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}

.final-cta-card {
  background: radial-gradient(circle at 50% 30%, rgba(0, 102, 255, 0.25) 0%, rgba(13, 17, 23, 0.95) 75%),
              var(--bg-secondary);
  border: 1px solid rgba(0, 102, 255, 0.3);
  border-radius: 28px;
  padding: 70px 40px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.final-cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.final-cta-desc {
  font-size: 1.18rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}

/* ==========================================================================
   FOOTER CORPORATIVO ELEGANTE
   ========================================================================== */
.footer {
  background: #050609;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 32px 0;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--brand-blue-light);
  padding-left: 4px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.92rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--brand-blue-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   BOTÃO FLUTUANTE DE WHATSAPP
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
}

.floating-wa-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  position: relative;
  transition: var(--transition-normal);
}

.floating-wa-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.65);
}

.wa-pulse-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--whatsapp-green);
  animation: waPulse 2s infinite;
  pointer-events: none;
}

@keyframes waPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.45); opacity: 0; }
}

.wa-tooltip {
  position: absolute;
  right: 76px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: var(--transition-fast);
}

.floating-whatsapp:hover .wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   MODAL DE DETALHES & ORÇAMENTO RÁPIDO
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  position: relative;
  padding: 32px;
  transform: translateY(20px) scale(0.97);
  transition: var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   ANIMAÇÕES DE SCROLL (REVEAL)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVIDADE (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1100px) {
  .workflow-container,
  .timeline-steps,
  .differentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .custom-steps-container {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-headline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-subheadline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-trust-badges {
    justify-content: center;
  }

  .nfc-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .nav-desktop {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .header-cta .btn {
    display: none;
  }
}

@media (max-width: 640px) {
  .products-grid,
  .portfolio-grid,
  .testimonials-grid,
  .target-grid,
  .workflow-container,
  .timeline-steps,
  .differentials-grid,
  .custom-steps-container {
    grid-template-columns: 1fr;
  }

  .section-spacing {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .hero-section {
    padding-top: calc(var(--header-height) + 30px);
    padding-bottom: 50px;
  }

  .final-cta-card {
    padding: 45px 20px;
  }

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

  .instagram-box {
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }

  .insta-info {
    flex-direction: column;
    text-align: center;
  }

  .floating-spec {
    display: none;
  }

  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
  }
}