/* ==========================================================================
   SMARTMAX SISTEMAS - DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Brand Colors */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;

  /* Accent & Tech Colors */
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #6366f1;

  /* Neutrals & Dark Tones */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  /* Backgrounds & Surfaces */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-dark-section: #0f172a;
  --bg-dark-card: #1e293b;
  --bg-omni-gradient: linear-gradient(135deg, #0c4a6e 0%, #0f172a 50%, #1e1b4b 100%);
  --bg-hero-glow: radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.15) 0%, rgba(248, 250, 252, 0) 70%);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.25);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1240px;
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-main);
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-body);
  color: var(--slate-700);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Layout Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --- Top Announcement Bar --- */
.topbar {
  background: var(--slate-900);
  color: var(--slate-300);
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.topbar-badge {
  background: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(56, 189, 248, 0.3);
  text-transform: uppercase;
}

.topbar-link {
  color: #38bdf8;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.topbar-link:hover {
  color: #7dd3fc;
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-right: 2rem;
  flex-shrink: 0;
}

.brand-logo img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  list-style: none;
  margin-left: auto;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--slate-700);
  padding: 0.45rem 0.2rem;
  position: relative;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary-600);
  transition: width var(--transition-normal);
}

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

.nav-link.omni-link {
  font-weight: 700;
  color: var(--primary-700);
}
.nav-link.omni-link:hover {
  color: var(--primary-600);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  margin-left: 0.5rem;
}

.btn-header {
  padding: 0.52rem 1.15rem;
  font-size: 0.86rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.2);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--slate-800);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  line-height: 1.25;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-600);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-700);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--slate-100);
  color: var(--slate-800);
  border-color: var(--slate-200);
}

.btn-secondary:hover {
  background-color: var(--slate-200);
  color: var(--slate-900);
  transform: translateY(-1px);
}

.btn-white {
  background-color: #ffffff;
  color: var(--slate-900);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: var(--slate-50);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

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

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

.btn-icon {
  width: 1.2rem;
  height: 1.2rem;
}

/* --- Section Typography & Header --- */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary-600);
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-title .highlight {
  color: var(--primary-600);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--slate-600);
  line-height: 1.6;
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  padding: 5rem 0 6rem 0;
  background: var(--bg-hero-glow), var(--bg-body);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: #ffffff;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.35rem;
}

.hero-title .highlight {
  color: var(--primary-600);
  position: relative;
}

.hero-description {
  font-size: 1.18rem;
  color: var(--slate-600);
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--slate-200);
  width: 100%;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.1;
}

.metric-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--slate-500);
  margin-top: 0.2rem;
}

/* --- Hero Visual Card (Interactive Integration Diagram) --- */
.hero-visual {
  position: relative;
}

.diagram-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.diagram-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-600), var(--accent-cyan), var(--accent-emerald));
}

.diagram-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--slate-100);
}

.diagram-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--slate-800);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.diagram-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: #ecfdf5;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.diagram-flow {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.diagram-node {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.diagram-node:hover {
  border-color: var(--primary-300);
  background: #ffffff;
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.node-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.node-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
}

.node-text h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--slate-900);
}

.node-text p {
  font-size: 0.75rem;
  color: var(--slate-500);
}

.node-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--slate-200);
  color: var(--slate-700);
}

.node-highlight {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  border-color: transparent;
}
.node-highlight:hover {
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4);
}
.node-highlight .node-icon {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}
.node-highlight .node-text h4 {
  color: #ffffff;
}
.node-highlight .node-text p {
  color: rgba(255, 255, 255, 0.85);
}
.node-highlight .node-tag {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.connector-line {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 12px;
  color: var(--primary-400);
}

/* --- Section: OMNI SMART STORE (Assistente de Vendas & Módulo Venda Remota) --- */
.omni-spotlight-section {
  background: var(--bg-omni-gradient);
  color: #ffffff;
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
}

.omni-spotlight-section::before {
  content: '';
  position: absolute;
  top: -15%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.14) 0%, rgba(0, 0, 0, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.omni-header-centered {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 3.5rem auto;
}

.omni-brand-hero-card {
  background: #ffffff;
  padding: 1.25rem 2.5rem;
  border-radius: var(--radius-2xl);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 25px rgba(56, 189, 248, 0.25);
  margin-bottom: 1.75rem;
  border: 2px solid rgba(255, 255, 255, 0.9);
}

.omni-brand-hero-card img {
  height: 64px;
  width: auto;
  object-fit: contain;
  display: block;
}

.omni-badge-sub {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #38bdf8;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.omni-main-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.omni-main-desc {
  font-size: 1.15rem;
  color: var(--slate-300);
  line-height: 1.7;
  max-width: 820px;
  margin: 0 auto;
}

/* Three-Step Workflow Grid (Loja -> Cliente -> PDV) */
.omni-flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-bottom: 3.5rem;
}

.omni-step-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 2rem 1.75rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.omni-step-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(56, 189, 248, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.35);
}

.omni-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.omni-step-pill {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.omni-step-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.omni-step-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.omni-step-card p {
  font-size: 0.92rem;
  color: var(--slate-300);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.omni-step-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.omni-step-checklist li {
  font-size: 0.84rem;
  color: var(--slate-200);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.omni-step-checklist li svg {
  color: #34d399;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Key Highlights Banner */
.omni-benefits-box {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-2xl);
  padding: 2.25rem;
  margin-bottom: 3rem;
  backdrop-filter: blur(12px);
}

.omni-benefits-title {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: #38bdf8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.75rem;
}

.omni-benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.omni-benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.omni-benefit-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.omni-benefit-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.omni-benefit-text p {
  font-size: 0.82rem;
  color: var(--slate-400);
  line-height: 1.5;
}

.omni-cta-row {
  text-align: center;
}

@media (max-width: 1024px) {
  .omni-flow-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* --- Section: Retail Integration Expertise --- */
.retail-section {
  background-color: var(--slate-50);
}

.retail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.75rem;
}

.retail-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.retail-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-300);
}

.retail-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--primary-50);
  color: var(--primary-600);
  border: 1px solid var(--primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.retail-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.retail-card p {
  font-size: 0.92rem;
  color: var(--slate-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.retail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--slate-100);
}

.retail-tag-item {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-700);
  background: var(--slate-100);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* --- Section: Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--slate-300);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--slate-900);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--slate-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--slate-100);
}

.service-list li {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-700);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-list li svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

/* --- Section: Metodologia & Diferenciais --- */
.diff-section {
  background-color: var(--slate-900);
  color: #ffffff;
}

.diff-section .section-tag {
  background: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.diff-section .section-title {
  color: #ffffff;
}

.diff-section .section-subtitle {
  color: var(--slate-400);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.diff-card {
  background: var(--slate-800);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.diff-card:hover {
  background: #243248;
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-4px);
}

.diff-step-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.diff-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.diff-card p {
  font-size: 0.9rem;
  color: var(--slate-300);
  line-height: 1.6;
}

/* --- Section: About Us --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h2 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.about-content p {
  font-size: 1.05rem;
  color: var(--slate-600);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.about-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.75rem 0;
}

.about-checklist li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--slate-800);
}

.about-checklist li svg {
  color: var(--primary-600);
  flex-shrink: 0;
}

.about-card-box {
  background: linear-gradient(135deg, var(--slate-900) 0%, #1e293b 100%);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  color: #ffffff;
  border: 1px solid var(--slate-800);
  box-shadow: var(--shadow-xl);
}

.about-card-box h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: #38bdf8;
}

.about-card-box p {
  font-size: 0.95rem;
  color: var(--slate-300);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-stat-item h4 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
}

.about-stat-item span {
  font-size: 0.82rem;
  color: var(--slate-400);
}

/* --- Section: FAQ Accordion --- */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item.active {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--slate-400);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--primary-600);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease-out, padding 300ms ease-out;
  padding: 0 1.5rem;
  font-size: 0.95rem;
  color: var(--slate-600);
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 1.5rem;
}

/* --- Section: Contact & Conversion --- */
.contact-section {
  background: linear-gradient(180deg, var(--slate-50) 0%, #ffffff 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-info h2 {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 1.05rem;
  color: var(--slate-600);
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.method-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-details h4 {
  font-size: 0.85rem;
  color: var(--slate-500);
  font-weight: 600;
}

.method-details span, .method-details a {
  font-size: 1rem;
  color: var(--slate-900);
  font-weight: 700;
}
.method-details a:hover {
  color: var(--primary-600);
}

/* Contact Form Card */
.contact-form-card {
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}

.form-header {
  margin-bottom: 1.75rem;
}

.form-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.35rem;
}

.form-header p {
  font-size: 0.9rem;
  color: var(--slate-500);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-800);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  background-color: var(--slate-50);
  color: var(--slate-800);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary-600);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

.form-submit-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.form-security-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--slate-500);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--slate-950);
  color: var(--slate-400);
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid var(--slate-800);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--slate-400);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--slate-400);
}

.footer-links a:hover {
  color: #38bdf8;
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--slate-500);
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background-color: #25d366;
  color: #ffffff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
  color: #ffffff;
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--slate-900);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-normal);
}

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

/* --- Responsive Breakpoints --- */
@media (max-width: 1100px) {
  .nav-menu {
    gap: 1rem;
  }
  .nav-link {
    font-size: 0.84rem;
  }
  .brand-logo {
    margin-right: 1rem;
  }
}

@media (max-width: 1024px) {
  .hero-grid, .omni-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-title {
    font-size: 2.6rem;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 880px) {
  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    opacity: 0;
    pointer-events: none;
    margin-left: 0;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

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

  .hero-title {
    font-size: 2.1rem;
  }

  .omni-features {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}