/* CSS Variables for Design System */
:root {
  /* Colors - Light & Warm Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-accent-blue: #f0f9ff;
  --bg-accent-green: #ecfdf5;
  
  --color-primary: #60a5fa;
  --color-accent: #22d3ee;
  --color-success: #10b981;
  --color-cta: #fb923c;
  
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-header: #1e40af;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  /* Measured at runtime to prevent overlap with fixed header */
  --header-height: 80px; /* fallback */
}

/* Business Theme Overrides (non-destructive) */
/* Apply by adding class `theme-business` on <body> */
.theme-business {
  /* Brand & text colors */
  --color-primary: #14b8a6; /* Teal */
  --color-cta: #14b8a6;     /* Use brand teal as CTA */
  --text-header: #0f172a;   /* Deep heading color */
  --text-primary: #334155;  /* Body text */

  /* Surfaces */
  --bg-accent-blue: #e6fffb; /* subtle minty bg for accents */
  --bg-accent-green: #f0fdfa;
}

/* Component refinements for Business Theme */
.theme-business .cta-button {
  border-radius: 9999px; /* pill */
}

.theme-business .cta-button.primary {
  background: linear-gradient(135deg, #14b8a6, #0f766e);
}

.theme-business .cta-button.secondary {
  border-color: #14b8a6;
  color: #0f766e;
}

.theme-business .icon {
  display: inline-block;
  vertical-align: middle;
  color: var(--color-primary);
}

/* Subtle header shadow when scrolled */
.header.is-scrolled {
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

/* Slightly reduce overall font size for English on desktop to better fit longer text */
@media (min-width: 992px) {
  html[lang="en"] {
    font-size: 15px; /* default ~16px -> ~6% smaller */
  }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  min-height: 60px;
}

.logo {
  flex-shrink: 0;
  margin-right: var(--spacing-lg);
}

.logo h1 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.nav {
  flex: 1;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition-fast);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  white-space: nowrap;
  font-size: var(--font-size-sm);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--bg-accent-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
  margin-left: var(--spacing-lg);
}

.language-toggle {
  background: none;
  border: 1px solid var(--text-secondary);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.language-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Button Styles */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--font-size-base);
}

.cta-button.primary {
  background: linear-gradient(135deg, var(--color-cta), #ff7849);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.cta-button.secondary {
  background: var(--bg-primary);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.cta-button.secondary:hover {
  background: var(--color-primary);
  color: white;
}

.cta-button.large {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* Hero Section */
.hero {
  padding: calc(var(--header-height) + 2rem) 0 4rem;
  background: linear-gradient(135deg, var(--bg-accent-blue), var(--bg-accent-green));
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--text-header);
}

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

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
}

/* Hero Visual */
.hero-illustration {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

/* Hero image styling (replaces animated avatar) */
.hero-image {
  position: relative; /* above decorative arch */
  z-index: 2;
  width: clamp(320px, 44vw, 620px);
  height: auto;
  display: block;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(2, 6, 23, 0.08);
}

/* Hero decorative arch and subtle orbs (CSS-only, no HTML change) */
.hero-illustration::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: -10px;
  width: clamp(320px, 44vw, 620px);
  height: clamp(320px, 48vw, 700px);
  background: linear-gradient(180deg, rgba(20, 184, 166, 0.16), rgba(20, 184, 166, 0.08));
  border-radius: 24px 24px 0 0 / 40% 40% 0 0; /* arch-like */
  filter: drop-shadow(0 10px 25px rgba(17, 94, 89, 0.12));
}

.hero-illustration::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -20px;
  bottom: 10px;
  width: 120px;
  height: 120px;
  background: radial-gradient(closest-side, rgba(20,184,166,0.18), transparent 70%);
  filter: blur(2px);
}

.ai-avatar {
  position: relative;
  width: 200px;
  height: 200px;
}

.avatar-circle {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.avatar-glow {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.3), transparent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.1); opacity: 0.3; }
}

.feature-cards {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  position: relative;
  z-index: 3; /* hover above decorative arch */
  transform: translateY(-24px); /* float under the image */
  max-width: clamp(320px, 44vw, 620px);
  width: 100%;
}

.feature-card {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  min-width: 100px;
  transition: var(--transition-normal);
  position: relative;
  z-index: 2; /* above arch */
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xs);
}

.feature-icon .icon {
  color: var(--color-primary);
}

/* Feature cards color accents and gentle float */
.feature-cards .feature-card:nth-child(1) {
  background: linear-gradient(180deg, #edfffd, #ffffff);
  border: 1px solid rgba(20, 184, 166, 0.15);
  animation: floatY 7s ease-in-out infinite;
}

.feature-cards .feature-card:nth-child(2) {
  background: linear-gradient(180deg, #eff0ff, #ffffff);
  border: 1px solid rgba(124, 140, 248, 0.2);
  animation: floatY 6.5s ease-in-out infinite 0.6s;
}

.feature-cards .feature-card:nth-child(3) {
  background: linear-gradient(180deg, #fff8e6, #ffffff);
  border: 1px solid rgba(246, 196, 84, 0.25);
  animation: floatY 6s ease-in-out infinite 0.3s;
}

@keyframes floatY {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

/* Content Navigation */
.content-nav {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  position: sticky;
  top: var(--header-height);
  z-index: 100;
}

.nav-pills {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  overflow-x: auto;
  padding: var(--spacing-xs);
  width: 100%;
  flex-wrap: wrap;
  position: relative;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(2, 6, 23, 0.06);
  border-radius: 9999px; /* soft segmented rail */
  box-shadow: 0 6px 16px rgba(2, 6, 23, 0.06);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.nav-pill {
  background: transparent;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 9999px;
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  font-weight: 600;
  font-size: var(--font-size-base);
  text-align: center;
  flex: 0 1 auto;
  min-width: fit-content;
  scroll-snap-align: center;
}

.nav-pill:hover {
  background: rgba(20, 184, 166, 0.08);
}

.nav-pill.active {
  background: linear-gradient(135deg, #14b8a6, #0f766e);
  color: white;
  box-shadow: 0 8px 18px rgba(20, 184, 166, 0.25);
}

/* Focus visibility for accessibility */
.nav-pill:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
}

/* Underline indicator (desktop & large tablets) */
.nav-indicator {
  position: absolute;
  bottom: 6px;
  height: 3px;
  background: linear-gradient(90deg, #14b8a6, #0f766e);
  border-radius: 9999px;
  transition: left var(--transition-normal), width var(--transition-normal), opacity var(--transition-fast);
  box-shadow: 0 4px 10px rgba(20, 184, 166, 0.25);
  display: none; /* hidden by default; enabled on >=768px */
  pointer-events: none;
}

/* Section Styles */
.section {
  padding: var(--spacing-3xl) 0;
  /* Ensure anchor jumps and hash navigation don't hide content behind header */
  scroll-margin-top: calc(var(--header-height) + 12px);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-header);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

/* Problem-Solution Grid */
.problem-solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.problem-card, .solution-card, .result-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.problem-card:hover, .solution-card:hover, .result-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  display: block;
}

.card-icon.problem { color: #ef4444; }
.card-icon.solution { color: var(--color-primary); }
.card-icon.result { color: var(--color-success); }

/* Feature Showcase */
.feature-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.feature-showcase.reverse {
  direction: rtl;
}

.feature-showcase.reverse > * {
  direction: ltr;
}

.pain-point, .solution-details, .benefits {
  margin-bottom: var(--spacing-xl);
}

.pain-point h3, .solution-details h3, .benefits h3 {
  color: var(--text-header);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xl);
}

.benefits ul {
  list-style: none;
  padding-left: 0;
}

.benefits li {
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-lg);
}

.benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

/* Chat Demo */
.chat-demo {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 400px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.chat-header {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-success);
}

.chat-messages {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex: 1;
  overflow-y: auto;
  background: linear-gradient(180deg, #ffffff, #f9fafb 70%);
}

.message {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  max-width: 80%;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.message.user {
  background: var(--bg-accent-blue);
  margin-left: auto;
  color: #0b3a52;
}

.message.ai {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Chat bubble tails */
.message.user::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 12px;
  width: 0;
  height: 0;
  border-left: 6px solid var(--bg-accent-blue);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.04));
}

.message.ai::after {
  content: "";
  position: absolute;
  left: -6px;
  top: 12px;
  width: 0;
  height: 0;
  border-right: 6px solid var(--bg-secondary);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.04));
}

/* Typing indicator */
.message.typing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: auto;
}

.typing-dots {
  display: inline-flex;
  gap: 4px;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: #cbd5e1;
  border-radius: 50%;
  display: inline-block;
  animation: typingBlink 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBlink {
  0%, 80%, 100% { opacity: 0.2; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

/* Customer Service: align heights and right-align visual content */
#customer-service .feature-showcase {
  align-items: stretch;
}

#customer-service .feature-visual {
  display: flex;
  justify-content: flex-end;
}

/* Sales Pipeline */
.sales-pipeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  grid-auto-rows: 1fr;
  gap: var(--spacing-xl);
  justify-items: stretch;
  align-items: stretch;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}

.pipeline-stage {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 140px; /* keep equal height across languages */
}

.stage-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.stage-icon .icon {
  color: var(--color-primary);
}

.pipeline-arrow {
  position: absolute;
  font-size: 22px;
  line-height: 1;
  color: var(--color-primary);
  font-weight: 700;
  pointer-events: none;
}

/* Top row connector: between stage 1 and 2 */
.pipeline-arrow.right.top {
  top: 25%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Diagonal connector: from stage 2 to stage 3 */
.pipeline-arrow.diag {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Bottom row connector: between stage 3 and 4 */
.pipeline-arrow.right.bottom {
  top: 75%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Ensure no mobile rotation from previous styles affects grid arrows */
@media (max-width: 768px) {
  .sales-pipeline {
    max-width: 100%;
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    gap: var(--spacing-lg);
  }
  .sales-pipeline .pipeline-arrow {
    transform: translate(-50%, -50%) !important;
  }
}

/* Analytics Dashboard */
.analytics-dashboard {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
}

/* Analytics chart styles */
.chart-area {
  margin-top: var(--spacing-xl);
  background: linear-gradient(180deg, #ffffff, #fbfdff);
  border: 1px solid rgba(2, 6, 23, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chart {
  width: 100%;
  height: 220px;
  display: block;
}

.chart .grid line {
  stroke: #e5e7eb;
  stroke-width: 1;
}

.chart .axes line {
  stroke: #94a3b8;
  stroke-width: 1.25;
}

.chart .area {
  fill: url(#areaGrad);
}

.chart .line {
  fill: none;
  stroke: url(#lineGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 1.6s ease-out forwards;
}

.chart .points circle {
  fill: var(--color-primary);
  stroke: #ffffff;
  stroke-width: 1.5;
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--bg-secondary);
}

.update-time {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.metric-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-accent-blue);
  border-radius: var(--radius-lg);
}

.metric-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.metric-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Process Steps */
.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.step-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  max-width: 250px;
  transition: var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

.step-arrow {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: bold;
}

.cta-section {
  text-align: center;
  background: var(--bg-accent-blue);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
}

.cta-section h3 {
  font-size: var(--font-size-2xl);
  color: var(--text-header);
  margin-bottom: var(--spacing-md);
}

/* Push CTA button lower for better visual hierarchy */
.cta-section .cta-button {
  margin-top: var(--spacing-2xl);
}

/* Lead Form */
.lead-form-section {
  background: var(--bg-secondary);
  padding: var(--spacing-3xl) 0;
}

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.form-header h2 {
  font-size: var(--font-size-2xl);
  color: var(--text-header);
  margin-bottom: var(--spacing-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  border: 1px solid #d1d5db;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.full-width {
  width: 100%;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: #d1d5db;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid #374151;
  color: #9ca3af;
}

/* Navigation Pills Responsive */
@media (min-width: 1200px) {
  .nav-pills {
    justify-content: space-between;
  }
  
  .nav-pill {
    flex: 0 1 auto; /* natural width, less rigid */
    max-width: none;
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .nav-pills {
    justify-content: space-between;
  }
  
  .nav-pill {
    flex: 0 1 auto; /* natural width, less rigid */
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* Responsive Design */
@media (max-width: 1200px) {
  .nav-list {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs);
  }
}

@media (max-width: 992px) {
  .logo h1 {
    font-size: var(--font-size-lg);
  }
  
  .nav-list {
    gap: var(--spacing-xs);
  }
  
  .header-actions {
    gap: var(--spacing-xs);
    margin-left: var(--spacing-sm);
  }
  
  .header-actions .cta-button {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }
  
  .nav-pill {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
  }
  
  .logo {
    margin-right: 0;
  }
  
  .nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: visible; /* Option A: no horizontal scroll */
  }
  
  .nav-list {
    flex-direction: row;
    gap: var(--spacing-xs); /* tighter gap */
    justify-content: center; /* nicer when wrapped */
    flex-wrap: wrap; /* Option A: allow wrapping to 2 lines */
    min-width: unset; /* remove forced single-line width */
    padding: 0 var(--spacing-xs);
  }
  
  .nav-link {
    font-size: var(--font-size-xs); /* smaller text */
    padding: 4px 6px; /* compact chip */
  }
  
  .header-actions {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }
  
  .nav-pills {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
  }
  
  .nav-pill {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    flex: 0 1 auto;
    min-width: fit-content;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 9999px;
  }
  
  .nav-pill:hover {
    background: #0f766e; /* darker teal for hover */
  }
  
  .nav-pill:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
  }
  
  /* Mobile: header grows taller due to wrapping, add extra padding */
  .hero {
    padding-top: calc(var(--header-height) + 3rem);
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .feature-showcase {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    flex-direction: column;
  }
  
  .step-arrow {
    transform: rotate(90deg);
  }
  
  .sales-pipeline {
    flex-direction: column;
  }
  
  .pipeline-arrow {
    transform: rotate(90deg);
  }
}

/* Desktop/tab: use underline indicator instead of filled active pills */
@media (min-width: 768px) {
  .nav-indicator { display: block; }
  .nav-pill.active {
    background: transparent;
    color: var(--color-primary);
    box-shadow: none;
  }
  .nav-pills {
    flex-wrap: nowrap; /* prevent line breaks on wider screens */
    overflow-x: auto;  /* allow horizontal scrolling for long English labels */
  }
}

/* Section Display Control */
.content-section {
  display: none;
}

.content-section.active {
  display: block;
}

/* Smooth Animations */
.content-section {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-normal);
}

.content-section.active {
  opacity: 1;
  transform: translateY(0);
}

/* Motion preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* ----------------------------
   Toast notifications
   ---------------------------- */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 8px); /* below measured header */
  left: 50%;
  transform: translateX(-50%);
  right: auto;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  pointer-events: none; /* allow clicks through empty space */
}

.toast {
  pointer-events: auto; /* clickable */
  min-width: 280px;
  max-width: 420px;
  background: #ffffff;
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border-left: 5px solid var(--color-primary);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
  animation: toast-in 220ms ease-out forwards;
}

.toast--success { border-left-color: var(--color-success); }
.toast--error { border-left-color: #ef4444; }
.toast--info { border-left-color: var(--color-primary); }

.toast__content { flex: 1; }
.toast__title {
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-header);
  font-size: var(--font-size-lg);
}
.toast__message {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.toast__close {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 4px;
}

.toast--hide {
  animation: toast-out 180ms ease-in forwards;
}

@keyframes toast-in {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toast-out {
  to { opacity: 0; transform: translateY(-8px) scale(0.98); }
}

@media (max-width: 768px) {
  .toast-container {
    top: auto;
    right: 0;
    left: 0;
    bottom: 16px;
    align-items: center;
  }
  .toast {
    width: calc(100% - 32px);
    max-width: 560px;
  }
}
