/* ===== CSS Variables - Premium Dark Slate & Glassmorphism ===== */
:root {
  --bg-main: #070a13;
  --bg-surface: #0e1326;
  --bg-card: rgba(14, 19, 38, 0.6);
  --bg-card-hover: rgba(22, 30, 57, 0.8);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #627289;
  
  --primary-color: #3b82f6; /* Modern Neon Blue */
  --primary-hover: #1d4ed8;
  --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --accent-color: #10b981; /* Emerald green for WhatsApp/success */
  --accent-hover: #059669;
  --accent-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --border-focus: rgba(59, 130, 246, 0.5);
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
}

/* ===== Base Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 600px;
  background: radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.15) 0%, rgba(7, 10, 19, 0) 60%);
  z-index: -1;
  pointer-events: none;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: all 0.25s ease;
}

a:hover {
  color: #60a5fa;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  background: linear-gradient(135deg, #4f46e5 0%, #2563eb 100%);
  color: #ffffff;
}

.btn-accent {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
  color: #ffffff;
}

.btn-outline {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ===== Navbar ===== */
.navbar {
  background-color: rgba(14, 19, 38, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 5%;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

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

.brand-logo {
  max-height: 48px;
  width: auto;
  object-fit: contain;
}

.desktop-menu {
  display: flex;
  gap: 36px;
}

.desktop-menu a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
}

.desktop-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.desktop-menu a:hover {
  color: #ffffff;
}

.desktop-menu a:hover::after {
  width: 100%;
}

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

.mobile-menu-btn {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ===== Hero Section ===== */
.hero {
  padding: 100px 5% 120px;
  position: relative;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1.1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 40%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 580px;
  line-height: 1.7;
}

.hero-highlight {
  font-size: 1.1rem;
  color: var(--accent-color);
  font-weight: 600;
  margin-top: -12px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.hero-image {
  flex: 0.9;
  display: flex;
  justify-content: center;
}

/* Beautiful Interactive App Mockup */
.mockup-placeholder {
  width: 100%;
  max-width: 520px;
  background: rgba(14, 19, 38, 0.85);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.mockup-placeholder:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(59, 130, 246, 0.15);
}

.mockup-header {
  background: rgba(7, 10, 19, 0.8);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.mockup-header .dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.mockup-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: monospace;
}

.mockup-body {
  padding: 24px;
}

.mockup-chart-container {
  background: rgba(7, 10, 19, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.mockup-chart-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.mockup-chart-val {
  color: var(--accent-color);
  font-weight: 700;
}

.skeleton-chart-bar-group {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 100px;
  padding-top: 10px;
}

.skeleton-chart-bar {
  width: calc(100% / 7 - 8px);
  background: linear-gradient(to top, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.8));
  border-radius: 4px 4px 0 0;
  animation: growBar 2s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}

.skeleton-chart-bar:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.skeleton-chart-bar:nth-child(2) { height: 75%; animation-delay: 0.3s; }
.skeleton-chart-bar:nth-child(3) { height: 50%; animation-delay: 0.5s; }
.skeleton-chart-bar:nth-child(4) { height: 90%; animation-delay: 0.2s; }
.skeleton-chart-bar:nth-child(5) { height: 60%; animation-delay: 0.4s; }
.skeleton-chart-bar:nth-child(6) { height: 85%; animation-delay: 0.6s; }

@keyframes growBar {
  0% { transform: scaleY(0.9); filter: brightness(0.9); }
  100% { transform: scaleY(1); filter: brightness(1.1); }
}

.mockup-status-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-status-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: var(--radius-sm);
}

.status-icon-box {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.status-info {
  flex-grow: 1;
}

.status-name {
  font-size: 0.8rem;
  font-weight: 600;
}

.status-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.status-tag {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-color);
  font-weight: 600;
}

/* ===== Sections Global ===== */
section {
  padding: 100px 5%;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 60%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Solutions Grid ===== */
.solutions {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
}

.grid-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255,255,255,0.06), transparent 40%);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--primary-color);
  margin-bottom: 28px;
}

.card:nth-child(2) .card-icon-wrapper {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-color);
}

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

.card h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== Differentiator Section (Atendimento Incomparável) ===== */
.differentiator {
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
  position: relative;
}

.diff-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  gap: 60px;
  align-items: center;
}

.diff-content {
  flex: 1.1;
}

.diff-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 60%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.diff-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-weight: 500;
}

.diff-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.diff-item {
  display: flex;
  gap: 16px;
}

.diff-icon-box {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.diff-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.diff-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.diff-visual {
  flex: 0.9;
  background: rgba(14, 19, 38, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.diff-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.diff-stat-card {
  text-align: center;
  background: rgba(7, 10, 19, 0.4);
  border: 1px solid var(--border-color);
  padding: 30px 20px;
  border-radius: var(--radius-md);
}

.diff-stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.diff-stat-card:nth-child(2) .diff-stat-number {
  color: var(--accent-color);
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.diff-stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.diff-stat-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Interactive Case Studies (Portfólio) ===== */
.portfolio {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
}

.portfolio-container {
  max-width: 1280px;
  margin: 0 auto;
}

.portfolio-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.portfolio-tab {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 12px 24px;
  border-radius: 99px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.portfolio-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.portfolio-tab.active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--primary-color);
  color: #ffffff;
}

.portfolio-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  min-height: 400px;
  position: relative;
}

.case-panel {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.case-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
}

.case-image-side {
  background: #0b0f1d;
  padding: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-right: 1px solid var(--border-color);
  position: relative;
}

.case-logo-large {
  max-width: 200px;
  max-height: 70px;
  object-fit: contain;
  margin-bottom: 24px;
}

.case-meta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-info-side {
  padding: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-tagline {
  color: var(--primary-color);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-info-side h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 24px;
  color: #ffffff;
}

.case-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.7;
}

.case-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

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

.case-point-icon {
  color: var(--accent-color);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.case-point-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.case-action-btn {
  align-self: flex-start;
}

/* ===== Interactive Diagnostic Form (Lead Onboarding) ===== */
.diagnostic {
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
  position: relative;
}

.diagnostic-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.diagnostic-progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
}

.diagnostic-progress::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 1;
  transform: translateY(-50%);
}

.progress-bar-fill {
  position: absolute;
  top: 50%;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary-gradient);
  z-index: 2;
  transform: translateY(-50%);
  transition: width 0.3s ease;
}

.progress-step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #12182c;
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: all 0.3s ease;
}

.progress-step-dot.active {
  border-color: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.progress-step-dot.completed {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

.diag-step {
  display: none;
  animation: slideIn 0.35s ease forwards;
}

.diag-step.active {
  display: block;
}

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

.diag-step h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #ffffff;
}

.diag-step-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.option-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.option-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.option-card.selected {
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--primary-color);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.15);
}

.option-indicator {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.option-card.selected .option-indicator {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
}

.option-indicator::after {
  content: '';
  width: 6px;
  height: 6px;
  background-color: #ffffff;
  border-radius: 50%;
  display: none;
}

.option-card.selected .option-indicator::after {
  display: block;
}

.option-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #ffffff;
}

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

.input-group {
  margin-bottom: 20px;
}

.input-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.input-field {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}

.input-field:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--border-focus);
}

.diag-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

.diag-result-card {
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  margin-bottom: 30px;
}

.diag-result-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-color);
  margin: 0 auto 16px;
}

.diag-result-card h4 {
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 12px;
}

.diag-result-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.diag-summary-bullets {
  text-align: left;
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 100px 5%;
  background: linear-gradient(135deg, #0e1326 0%, #070a13 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-container h2 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 40%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-container p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

/* ===== Floating WhatsApp Widget ===== */
.floating-whatsapp-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.whatsapp-tooltip {
  background: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 500;
  color: #ffffff;
  pointer-events: none;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  bottom: -6px;
  right: 22px;
  width: 10px;
  height: 10px;
  background: #1e293b;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  transform: rotate(45deg);
}

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

.floating-whatsapp-btn {
  width: 56px;
  height: 56px;
  background-color: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.floating-whatsapp-btn:hover {
  transform: scale(1.08) rotate(5deg);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.floating-whatsapp-btn i {
  width: 28px;
  height: 28px;
}

.whatsapp-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  background-color: #ef4444;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: pulseBadge 2s infinite;
}

@keyframes pulseBadge {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1.2); box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* ===== Footer ===== */
.footer {
  background-color: #070a13;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 40px 5%;
  text-align: center;
}

.footer-bottom {
  font-size: 0.9rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .hero-content p {
    margin: 0 auto 32px;
  }
  
  .hero-highlight {
    justify-content: center;
  }
  
  .mockup-placeholder {
    margin: 0 auto;
  }
  
  .diff-container {
    flex-direction: column;
    gap: 40px;
  }
  
  .case-grid {
    grid-template-columns: 1fr;
  }
  
  .case-image-side {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 40px;
  }
  
  .case-info-side {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 5%;
  }
  
  .navbar {
    padding: 0 6%;
  }
  
  .desktop-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    padding: 24px 6%;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    gap: 20px;
  }
  
  .desktop-menu.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-actions .btn {
    display: none;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .diff-list {
    grid-template-columns: 1fr;
  }
  
  .options-grid {
    grid-template-columns: 1fr;
  }
  
  .diagnostic-wrapper {
    padding: 24px;
  }
}