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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #e0e7ff;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg2: #f9fafb;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.12);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --border: #374151;
  --bg: #111827;
  --bg2: #1f2937;
  --primary-light: #312e81;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
}
[data-theme="dark"] .nav { background: rgba(17,24,39,0.95); }
[data-theme="dark"] .hero { background: linear-gradient(135deg, #1e1b4b 0%, #1f2937 50%, #14532d 100%); }
[data-theme="dark"] .chat-window,
[data-theme="dark"] .demo-mockup,
[data-theme="dark"] .roi-card,
[data-theme="dark"] .step,
[data-theme="dark"] .review,
[data-theme="dark"] .plan,
[data-theme="dark"] .feature-card:not(.featured) { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .code-block { background: #0f172a; }
[data-theme="dark"] .code-header { background: #1e293b; }
[data-theme="dark"] .logos-section,
[data-theme="dark"] .testimonials,
[data-theme="dark"] .how-section,
[data-theme="dark"] .roi-section,
[data-theme="dark"] .faq-section,
[data-theme="dark"] .integrations { background: #111827; }
[data-theme="dark"] .features,
[data-theme="dark"] .usecases,
[data-theme="dark"] .why-section,
[data-theme="dark"] .casestudy,
[data-theme="dark"] .pricing { background: #111827; }
[data-theme="dark"] .hero-badge { background: #1f2937; border-color: #374151; color: #9ca3af; }
[data-theme="dark"] .chat-input-row input,
[data-theme="dark"] .demo-input-row input { background: #374151; border-color: #4b5563; color: #f9fafb; }
[data-theme="dark"] .msg-agent .msg-bubble,
[data-theme="dark"] .dm-bubble { background: #374151; color: #f9fafb; }
[data-theme="dark"] .demo-ai-hint { background: #292524; color: #fbbf24; border-color: #44403c; }
[data-theme="dark"] .footer { background: #030712; }
[data-theme="dark"] .cookie-banner { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .lang-switcher { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .lang-btn.active { background: #374151; }
[data-theme="dark"] .integr-item { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .integr-item.integr-more { background: #312e81; }
[data-theme="dark"] .notification-card { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .floating-badge { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .popup-card { background: #1f2937; }
[data-theme="dark"] .uc-metric-card { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .cs-card { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .cs-col { background: #111827; border-color: #374151; }
[data-theme="dark"] .faq-item summary,
[data-theme="dark"] .faq-item { border-color: #374151; }
[data-theme="dark"] .sticky-cta { background: #1f2937; border-color: #374151; }

.dark-toggle {
  background: none; border: none; cursor: pointer;
  font-size: 18px; padding: 6px; border-radius: 8px;
  transition: background .15s; line-height: 1;
}
.dark-toggle:hover { background: var(--bg2); }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== BUTTONS ===== */
.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  transition: background .2s, transform .15s;
  display: inline-block;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-primary.btn-lg { padding: 16px 32px; font-size: 17px; border-radius: 14px; }

.btn-ghost {
  color: var(--text);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 15px;
  transition: background .2s;
  display: inline-block;
}
.btn-ghost:hover { background: var(--bg2); }
.btn-ghost.btn-lg { padding: 16px 28px; font-size: 17px; }

.btn-outline {
  border: 2px solid var(--border);
  color: var(--text);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  transition: border-color .2s, background .2s;
  display: inline-block;
  text-align: center;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ===== LANG SWITCHER ===== */
.nav-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; margin-left: 8px; }
.lang-switcher { display: flex; gap: 1px; background: var(--bg2); border: 1px solid var(--border); border-radius: 7px; padding: 2px; flex-shrink: 0; }
.lang-btn {
  background: none; border: none; cursor: pointer;
  padding: 3px 8px; border-radius: 5px;
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  transition: background .15s, color .15s;
  font-family: inherit; letter-spacing: .3px;
}
.lang-btn.active { background: #fff; color: var(--primary); box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.lang-btn:hover:not(.active) { color: var(--text); }

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 0;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  flex-shrink: 0;
  margin-right: 16px;
}
.logo .dot { color: var(--text); }
.nav-links {
  display: flex;
  gap: 0;
  flex: 1;
  min-width: 0;
}
.nav-links a {
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: var(--bg2); }
.nav-cta { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.nav-cta .btn-ghost { padding: 8px 12px; font-size: 13px; }
.nav-cta .btn-primary { padding: 8px 14px; font-size: 13px; border-radius: 8px; }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 50%, #f0fdf4 100%);
  padding: 80px 0 0;
  overflow: hidden;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-bottom: 60px;
}
.hero-badges-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.hero-badge.local { border-color: #bbf7d0; background: #f0fdf4; color: #166534; }
.hero-text h1 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 460px;
}
.hero-actions { display: flex; gap: 12px; align-items: center; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 22px; font-weight: 800; color: var(--text); }
.stat span { font-size: 13px; color: var(--text-muted); }
.stat-sep { width: 1px; height: 32px; background: var(--border); }

/* Chat widget mockup */
.hero-visual { position: relative; }

.chat-window {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  width: 320px;
  margin: 0 auto;
  border: 1px solid var(--border);
}
.chat-header {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
}
.chat-avatar { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; background: #fff; }
.chat-avatar img { width: 100%; height: 100%; }
.chat-agent-info { flex: 1; }
.chat-agent-info strong { font-size: 14px; display: block; }
.chat-agent-info em { font-size: 12px; opacity: .85; font-style: normal; }
.online-dot { display: inline-block; width: 7px; height: 7px; background: #4ade80; border-radius: 50%; margin-right: 4px; }
.chat-close { background: none; border: none; color: white; cursor: pointer; font-size: 16px; opacity: .7; }

.chat-body { padding: 16px; display: flex; flex-direction: column; gap: 12px; min-height: 180px; }
.msg { display: flex; flex-direction: column; gap: 3px; }
.msg-agent { align-items: flex-start; }
.msg-user { align-items: flex-end; }
.msg-bubble {
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 13px;
  max-width: 240px;
}
.msg-agent .msg-bubble { background: var(--bg2); border-radius: 4px 18px 18px 18px; }
.msg-user .msg-bubble { background: var(--primary); color: #fff; border-radius: 18px 18px 4px 18px; }
.msg-time { font-size: 11px; color: var(--text-muted); }

.msg-typing .msg-bubble { background: var(--bg2); border-radius: 4px 18px 18px 18px; padding: 14px; }
.typing-dots { display: flex; gap: 4px; align-items: center; }
.typing-dots span {
  width: 6px; height: 6px; background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: .2s; }
.typing-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes typing { 0%,80%,100% { opacity:.3; transform: scale(.8); } 40% { opacity:1; transform: scale(1); } }

.chat-input-row {
  display: flex;
  padding: 12px;
  gap: 8px;
  border-top: 1px solid var(--border);
}
.chat-input-row input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 14px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  background: var(--bg2);
}
.send-btn {
  width: 34px; height: 34px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}

/* floating cards */
.notification-card {
  position: absolute;
  top: -20px;
  right: -20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  box-shadow: var(--shadow);
  animation: float 3s ease-in-out infinite;
}
.notif-icon { font-size: 20px; }
.notif-text strong { display: block; font-size: 13px; }
.notif-text span { color: var(--text-muted); font-size: 12px; }

.floating-badge {
  position: absolute;
  bottom: 20px;
  left: -30px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow);
  animation: float 3.5s ease-in-out infinite reverse;
}
.floating-badge.green { color: #16a34a; }

.hero-wave { line-height: 0; }
.hero-wave svg { display: block; }

/* ===== LOGOS ===== */
.logos-section { padding: 48px 0; border-bottom: 1px solid var(--border); }
.logos-label { text-align: center; font-size: 13px; color: var(--text-muted); margin-bottom: 24px; text-transform: uppercase; letter-spacing: .5px; }
.logos-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.logo-item {
  font-size: 14px;
  font-weight: 700;
  color: #9ca3af;
  letter-spacing: .5px;
  text-transform: uppercase;
}

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.section-header p { font-size: 18px; color: var(--text-muted); }
.section-header.light h2 { color: #fff; }
.section-header.light p { color: rgba(255,255,255,.7); }

/* ===== FEATURES ===== */
.features { padding: 96px 0; background: var(--bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: box-shadow .2s, transform .2s;
}
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.feature-card.featured {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border-color: transparent;
  color: #fff;
}
.feature-icon { font-size: 32px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; line-height: 1.7; color: var(--text-muted); }
.feature-card.featured p { color: rgba(255,255,255,.8); }
.feature-tag {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,.2);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

/* ===== ROI CALCULATOR ===== */
.roi-section { padding: 96px 0; background: var(--bg2); }
.roi-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
  align-items: center;
}
.roi-inputs { display: flex; flex-direction: column; gap: 28px; }
.roi-field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.roi-slider-row { display: flex; align-items: center; gap: 16px; }
.roi-slider-row input[type=range] {
  flex: 1; -webkit-appearance: none; height: 6px;
  background: var(--primary-light); border-radius: 3px; outline: none;
}
.roi-slider-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px;
  background: var(--primary); border-radius: 50%; cursor: pointer;
  box-shadow: 0 2px 6px rgba(99,102,241,.4);
}
.roi-val { font-size: 15px; font-weight: 700; color: var(--primary); min-width: 52px; text-align: right; }
.roi-result {
  text-align: center;
  background: linear-gradient(135deg, #f0f4ff, #faf5ff);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--primary-light);
}
.roi-result-label { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; font-weight: 500; }
.roi-result-amount { font-size: 56px; font-weight: 800; color: var(--primary); letter-spacing: -2px; margin-bottom: 8px; line-height: 1; }
.roi-result-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 28px; }
@media (max-width: 760px) {
  .roi-card { grid-template-columns: 1fr; padding: 28px 20px; gap: 28px; }
}

/* ===== HOW IT WORKS ===== */
.how-section { padding: 96px 0; background: var(--bg2); }
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  flex: 1;
  max-width: 280px;
  min-width: 200px;
}
.step-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary-light);
  margin-bottom: 16px;
  line-height: 1;
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-muted); }
.step-arrow { font-size: 24px; color: var(--text-muted); padding-top: 48px; align-self: flex-start; }

.code-block {
  background: #1e1e2e;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 20px;
  background: #2a2a3e;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.code-dot { width: 12px; height: 12px; border-radius: 50%; }
.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green { background: #28c840; }
.code-filename { margin-left: 8px; font-size: 13px; color: rgba(255,255,255,.4); font-family: monospace; }
.code-block pre { padding: 24px; font-size: 14px; line-height: 1.8; font-family: 'Fira Code', 'Consolas', monospace; }
.code-block code { color: #cdd6f4; }
.cm { color: #6c7086; }
.ck { color: #89b4fa; }
.cv { color: #cba6f7; }
.cs { color: #a6e3a1; }
.cstr { color: #a6e3a1; }

/* ===== INTEGRATIONS ===== */
.integrations { padding: 96px 0; background: var(--bg); }
.integr-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.integr-item {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: box-shadow .2s, transform .2s, border-color .2s;
  cursor: default;
}
.integr-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--primary-light); }
.integr-item.integr-more { background: var(--primary-light); border-color: transparent; }
.integr-item.integr-more span { color: var(--primary); font-weight: 700; }
.integr-icon { width: 48px; height: 48px; margin: 0 auto 10px; display: flex; align-items: center; justify-content: center; }
.integr-icon svg { width: 48px; height: 48px; display: block; }
.integr-item span { font-size: 12px; font-weight: 600; color: var(--text-muted); }
@media (max-width: 900px) { .integr-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 600px) { .integr-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===== DEMO ===== */
.demo-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--primary-dark), #6d28d9);
  color: #fff;
}
.demo-mockup {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 280px 1fr;
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  margin: 0 auto;
  color: var(--text);
}
.demo-sidebar { border-right: 1px solid var(--border); }
.demo-sidebar-header {
  padding: 16px 20px;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.badge {
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
}
.demo-chat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .15s;
}
.demo-chat-item:hover { background: var(--bg2); }
.demo-chat-item.active { background: var(--primary-light); }
.demo-avatar {
  width: 36px; height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}
.demo-chat-info { flex: 1; min-width: 0; }
.demo-chat-info strong { font-size: 13px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-chat-info span { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.demo-time { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }

.demo-main { display: flex; flex-direction: column; }
.demo-main-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.demo-main-header strong { color: var(--text); font-size: 15px; }
.demo-messages { flex: 1; padding: 20px; display: flex; flex-direction: column; gap: 12px; min-height: 200px; }
.dm { max-width: 70%; }
.dm-user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  padding: 10px 14px;
  border-radius: 18px 18px 4px 18px;
  font-size: 13px;
}
.dm-agent {
  align-self: flex-start;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.dm-avatar { width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; }
.dm-bubble {
  background: var(--bg2);
  padding: 10px 14px;
  border-radius: 4px 18px 18px 18px;
  font-size: 13px;
}
/* auto-translate in demo */
.demo-translate-badge {
  margin-left: auto; font-size: 11px; font-weight: 600;
  background: #d1fae5; color: #065f46; padding: 3px 10px;
  border-radius: 100px; white-space: nowrap; flex-shrink: 0;
}
.dm-original { font-size: 13px; color: var(--text); background: var(--bg2); padding: 10px 14px; border-radius: 4px 18px 18px 18px; margin-bottom: 4px; max-width: 280px; }
.dm-translated { font-size: 11px; color: #6b7280; padding: 0 4px; margin-bottom: 2px; }
.dm-sent-as { font-size: 11px; color: #6b7280; margin-top: 4px; padding: 0 4px; }

/* translate feature pill */
.translate-demo-pill { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid #bbf7d0; border-radius: 100px; padding: 8px 20px; flex-shrink: 0; margin-left: auto; }
.translate-pill-item { font-size: 13px; font-weight: 700; color: #6b7280; }
.translate-pill-item.active { color: #059669; }
.translate-pill-arrow { font-size: 12px; color: #9ca3af; }

.demo-input-row {
  display: flex;
  padding: 12px 16px;
  gap: 10px;
  border-top: 1px solid var(--border);
}
.demo-input-row input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.demo-send {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
/* ===== DEMO CUSTOMIZATION BAR ===== */
.demo-customize-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px; padding: 8px 12px; margin-bottom: 10px;
}
.demo-customize-label { font-size: 11px; font-weight: 700; color: rgba(255,255,255,.7); white-space: nowrap; }
.demo-color-swatches { display: flex; gap: 5px; align-items: center; }
.demo-swatch {
  width: 18px; height: 18px; border-radius: 50%; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s, border-color .15s; padding: 0;
  flex-shrink: 0;
}
.demo-swatch:hover { transform: scale(1.2); }
.demo-swatch.active { border-color: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.3); transform: scale(1.15); }
.demo-customize-pills { display: flex; gap: 5px; flex-wrap: wrap; }
.demo-cpill {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.8); border-radius: 100px; padding: 3px 10px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.demo-cpill-btn {
  cursor: pointer; font-family: inherit; transition: .2s;
}
.demo-cpill-btn:hover { background: rgba(255,255,255,.2); color: #fff; }
.demo-cpill-btn.active { background: #fff; color: var(--primary); border-color: #fff; }

/* Operator dark theme */
.demo-mockup-inner.op-dark { background: #111827 !important; color: #f9fafb; }
.demo-mockup-inner.op-dark .demo-sidebar,
.demo-mockup-inner.op-dark .demo-main { background: #111827; color: #f9fafb; }
.demo-mockup-inner.op-dark .demo-sidebar { border-color: #374151; }
.demo-mockup-inner.op-dark .demo-sidebar-header { border-color: #374151; color: #f9fafb; }
.demo-mockup-inner.op-dark .demo-chat-item { border-color: #374151; }
.demo-mockup-inner.op-dark .demo-chat-item.active { background: #1e1b4b; }
.demo-mockup-inner.op-dark .demo-chat-item:hover { background: #1f2937; }
.demo-mockup-inner.op-dark .demo-chat-info strong { color: #f9fafb; }
.demo-mockup-inner.op-dark .demo-chat-info span { color: #9ca3af; }
.demo-mockup-inner.op-dark .demo-time { color: #6b7280; }
.demo-mockup-inner.op-dark .demo-main-header { border-color: #374151; color: #9ca3af; }
.demo-mockup-inner.op-dark .demo-main-header strong { color: #f9fafb; }
.demo-mockup-inner.op-dark .demo-messages { background: #111827; }
.demo-mockup-inner.op-dark .dm-original { background: #1f2937; color: #f9fafb; }
.demo-mockup-inner.op-dark .dm-bubble { background: #1f2937; color: #f9fafb; }
.demo-mockup-inner.op-dark .dm-sent-as { color: #6b7280; }
.demo-mockup-inner.op-dark .demo-input-row { border-color: #374151; background: #111827; }
.demo-mockup-inner.op-dark .demo-input-row input { background: #1f2937; border-color: #374151; color: #f9fafb; }

/* ===== INTERACTIVE DEMO ===== */
.demo-tabs { display: flex; gap: 6px; justify-content: center; margin-bottom: 28px; flex-wrap: wrap; }
.demo-tab {
  padding: 9px 20px; border-radius: 100px; border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.12); color: rgba(255,255,255,.75);
  font-size: 13px; font-weight: 600; cursor: pointer; transition: .2s; font-family: inherit;
}
.demo-tab:hover { background: rgba(255,255,255,.2); color: #fff; }
.demo-tab.active { background: #fff; color: var(--primary); border-color: #fff; }
.demo-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 1000px; margin: 0 auto;
}
.demo-visitor-side, .demo-operator-side { display: flex; flex-direction: column; gap: 10px; }
.demo-side-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; opacity: .7; text-align: center; }
/* Visitor widget */
.visitor-widget {
  background: #fff; border-radius: 16px; box-shadow: 0 8px 40px rgba(0,0,0,.25);
  overflow: hidden; display: flex; flex-direction: column; color: #111827;
}
.vw-header {
  background: var(--primary); color: #fff; padding: 14px 16px;
  display: flex; align-items: center; gap: 10px;
}
.vw-avatar { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.25); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px; }
.vw-info { flex: 1; }
.vw-info strong { font-size: 14px; display: block; }
.vw-online { font-size: 11px; opacity: .85; display: flex; align-items: center; gap: 5px; }
.vw-close { background: none; border: none; color: rgba(255,255,255,.6); font-size: 20px; cursor: pointer; padding: 0 4px; }
.vw-messages { padding: 16px; display: flex; flex-direction: column; gap: 10px; min-height: 180px; max-height: 220px; overflow-y: auto; }
.vw-msg { display: flex; flex-direction: column; gap: 3px; max-width: 80%; }
.vw-msg-in { align-self: flex-start; }
.vw-msg-out { align-self: flex-end; align-items: flex-end; }
.vw-bubble {
  padding: 9px 13px; border-radius: 14px; font-size: 13px; line-height: 1.5;
}
.vw-msg-in .vw-bubble { background: #f3f4f6; color: #111827; border-radius: 4px 14px 14px 14px; }
.vw-msg-out .vw-bubble { background: var(--primary); color: #fff; border-radius: 14px 14px 4px 14px; }
.vw-time { font-size: 10px; color: #9ca3af; }
.vw-typing { display: none; align-self: flex-start; }
.vw-typing.show { display: flex; }
.vw-typing .vw-bubble { background: #f3f4f6; color: #6b7280; display: flex; gap: 4px; align-items: center; padding: 10px 14px; }
.vw-typing .dot { width: 7px; height: 7px; border-radius: 50%; background: #9ca3af; animation: typingDot .9s infinite; }
.vw-typing .dot:nth-child(2) { animation-delay: .15s; }
.vw-typing .dot:nth-child(3) { animation-delay: .3s; }
@keyframes typingDot { 0%,80%,100%{transform:translateY(0)}40%{transform:translateY(-5px)} }
.vw-chips { padding: 0 12px 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.vw-chip { background: var(--primary-light); border: 1px solid rgba(99,102,241,.3); color: var(--primary); border-radius: 100px; padding: 5px 12px; font-size: 12px; font-weight: 600; cursor: pointer; transition: .15s; font-family: inherit; white-space: nowrap; }
.vw-chip:hover { background: var(--primary); color: #fff; }
.vw-input-row { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid #e5e7eb; }
.vw-input-row input { flex: 1; border: 1.5px solid #e5e7eb; border-radius: 10px; padding: 9px 12px; font-size: 13px; outline: none; font-family: inherit; color: #111827; }
.vw-input-row input:focus { border-color: var(--primary); }
.vw-send { width: 36px; height: 36px; background: var(--primary); border: none; border-radius: 10px; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: .2s; }
.vw-send:hover { background: #4f46e5; }
/* Operator mockup inner */
.demo-mockup-inner {
  background: #fff; border-radius: 14px; overflow: hidden;
  display: grid; grid-template-columns: 220px 1fr;
  box-shadow: 0 8px 40px rgba(0,0,0,.25); color: #111827;
}
/* Typing in operator view */
.op-typing { display: none; }
.op-typing.show { display: flex; }
.op-typing .dm-original { color: #9ca3af; font-style: italic; display: flex; gap: 4px; align-items: center; }

.demo-split[data-mode="visitor"] .demo-operator-side { display: none; }
.demo-split[data-mode="visitor"] { grid-template-columns: 1fr; max-width: 440px; }
.demo-split[data-mode="operator"] .demo-visitor-side { display: none; }
.demo-split[data-mode="operator"] { grid-template-columns: 1fr; }
.demo-split[data-mode="operator"] .demo-mockup-inner { grid-template-columns: 240px 1fr; }

.demo-ai-hint {
  padding: 10px 16px;
  background: #fef3c7;
  font-size: 12px;
  color: #92400e;
  border-top: 1px solid #fde68a;
}
.demo-ai-hint em { font-style: normal; font-weight: 500; }

/* ===== PRICING ===== */
.pricing { padding: 96px 0; background: var(--bg); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.plan {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
}
.plan-popular {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.plan-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--text-muted); }
.plan-price { margin-bottom: 28px; }
.plan-price strong { font-size: 40px; font-weight: 800; letter-spacing: -1px; }
.plan-price span { font-size: 14px; color: var(--text-muted); }
.plan-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.plan-features li { font-size: 14px; color: var(--text); }
.plan-features li.dim { color: var(--text-muted); }

/* plan guarantee */
.plan-guarantee {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}
.pricing-note {
  text-align: center;
  margin-top: 32px;
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.pricing-note a { color: var(--primary); font-weight: 600; }

/* mobile nav open */
.nav-links.mobile-open {
  display: flex !important;
  position: absolute;
  top: 64px; left: 0; right: 0;
  background: #fff;
  flex-direction: column;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  z-index: 99;
}

/* ===== TESTIMONIALS ===== */
.testimonials { padding: 96px 0; background: var(--bg2); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.stars { color: #f59e0b; font-size: 16px; margin-bottom: 16px; letter-spacing: 2px; }
.review p { font-size: 15px; line-height: 1.7; color: var(--text); margin-bottom: 24px; }
.reviewer { display: flex; align-items: center; gap: 12px; }
.reviewer-avatar {
  width: 40px; height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.reviewer strong { font-size: 14px; }
.reviewer span { font-size: 12px; color: var(--text-muted); }

/* ===== STATS ===== */
.stats-section { padding: 96px 0; background: var(--bg2); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: box-shadow .2s, transform .2s;
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.stat-card-accent {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border-color: transparent; color: white;
}
.stat-big {
  font-size: 52px; font-weight: 800; letter-spacing: -2px;
  color: var(--primary); line-height: 1; margin-bottom: 12px;
}
.stat-card-accent .stat-big { color: white; }
.stat-card p { font-size: 14px; line-height: 1.6; color: var(--text-muted); margin-bottom: 16px; }
.stat-card-accent p { color: rgba(255,255,255,.8); }
.stat-source {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--border);
  border-top: 1px solid var(--border); padding-top: 12px;
}
.stat-card-accent .stat-source { border-color: rgba(255,255,255,.2); color: rgba(255,255,255,.5); }
@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stats-grid { grid-template-columns: 1fr; } }
[data-theme="dark"] .stat-card { background: #1f2937; border-color: #374151; }

/* ===== FAQ ===== */
.faq-section { padding: 96px 0; background: var(--bg); }
.faq-inner { }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 4px 0;
}
.faq-item summary {
  font-size: 16px;
  font-weight: 600;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after { content: '+'; font-size: 20px; color: var(--text-muted); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { font-size: 15px; color: var(--text-muted); padding-bottom: 20px; line-height: 1.7; }

/* ===== CTA FINAL ===== */
.cta-final {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  padding: 96px 0;
  text-align: center;
  color: #fff;
}
.cta-inner h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 18px; opacity: .85; margin-bottom: 32px; }
.cta-final .btn-primary {
  background: #fff;
  color: var(--primary);
}
.cta-final .btn-primary:hover { background: var(--primary-light); }

/* ===== FOOTER ===== */
.footer { background: var(--text); color: rgba(255,255,255,.7); }
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  padding: 64px 24px;
}
.footer-brand .logo { color: #fff; font-size: 20px; }
.footer-brand p { margin-top: 8px; font-size: 14px; }
.footer-links { display: flex; gap: 60px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col strong { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #fff; }

/* ===== USE CASES ===== */
.usecases { padding: 96px 0; background: var(--bg2); }
.uc-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.uc-tab {
  padding: 12px 24px; border-radius: 100px;
  border: 2px solid var(--border); background: var(--bg);
  font-size: 15px; font-weight: 600; cursor: pointer;
  color: var(--text-muted); transition: all .2s; font-family: inherit;
}
.uc-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.uc-tab:hover:not(.active) { border-color: var(--primary); color: var(--primary); }
.uc-panel { display: none; }
.uc-panel.active { display: block; }
.uc-content {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 48px; box-shadow: var(--shadow);
}
.uc-text h3 { font-size: 24px; font-weight: 800; margin-bottom: 20px; }
.uc-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.uc-list li { font-size: 15px; color: var(--text); }
.uc-metric-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  display: flex; flex-direction: column; gap: 24px;
}
.uc-metric { display: flex; flex-direction: column; gap: 4px; }
.uc-num { font-size: 36px; font-weight: 800; color: var(--primary); letter-spacing: -1px; }
.uc-metric em { font-size: 13px; color: var(--text-muted); font-style: normal; }
@media (max-width: 760px) { .uc-content { grid-template-columns: 1fr; gap: 28px; padding: 24px; } }

/* ===== COMPARISON TABLE ===== */
/* ===== WHY PROCHAT ===== */
.why-section { padding: 96px 0; background: var(--bg); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.why-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 28px;
  transition: transform .3s, box-shadow .3s;
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.why-icon { font-size: 36px; margin-bottom: 16px; }
.why-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* ===== PAYMENT METHODS ===== */
.payment-row { display: flex; align-items: center; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.payment-label { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.payment-methods { display: flex; gap: 8px; flex-wrap: wrap; }
.pay-badge {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 12px; font-size: 12px; font-weight: 500; color: var(--text);
}
.pay-local { color: #16a34a; border-color: #bbf7d0; background: #f0fdf4; }
.pay-wire { color: var(--primary); border-color: var(--primary-light); background: var(--primary-light); }
.pay-logo { display: inline-flex; align-items: center; gap: 6px; }
.pay-logo svg { display: block; height: 18px; width: auto; border-radius: 3px; }
.pay-logo span { font-weight: 600; }
[data-theme="dark"] .pay-local { background: #052e16; border-color: #166534; color: #86efac; }
[data-theme="dark"] .pay-wire { background: #1e1b4b; border-color: #3730a3; }

/* ===== ON-PREMISE BANNER ===== */
.onprem-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 32px; margin-top: 24px; flex-wrap: wrap;
}
.onprem-left { display: flex; align-items: flex-start; gap: 16px; }
.onprem-icon { font-size: 28px; flex-shrink: 0; }
.onprem-left strong { font-size: 16px; font-weight: 700; display: block; margin-bottom: 6px; }
.onprem-left p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.6; max-width: 520px; }
.onprem-btn { white-space: nowrap; flex-shrink: 0; }

/* ===== CASE STUDY ===== */
.casestudy { padding: 96px 0; background: var(--bg2); }
.cs-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 48px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 48px;
}
.cs-before-after { display: grid; grid-template-columns: 1fr auto 1fr; gap: 32px; align-items: center; }
.cs-col {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  display: flex; flex-direction: column; gap: 20px;
}
.cs-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); margin-bottom: 4px; }
.cs-label.green { color: #16a34a; }
.cs-metric { display: flex; flex-direction: column; gap: 2px; }
.cs-metric span { font-size: 28px; font-weight: 800; }
.cs-metric.red span { color: #dc2626; }
.cs-metric.green span { color: #16a34a; }
.cs-metric em { font-size: 12px; color: var(--text-muted); font-style: normal; }
.cs-arrow { font-size: 32px; color: var(--text-muted); }
.cs-quote blockquote {
  font-size: 18px; line-height: 1.7; color: var(--text);
  font-style: italic; margin-bottom: 20px;
  padding-left: 20px; border-left: 3px solid var(--primary);
}
.cs-author { display: flex; align-items: center; gap: 12px; }
@media (max-width: 760px) {
  .cs-before-after { grid-template-columns: 1fr; }
  .cs-arrow { transform: rotate(90deg); text-align: center; }
  .cs-card { padding: 24px; }
}

/* ===== EARLY ADOPTERS ===== */
.early-section { padding: 96px 0; background: var(--bg2); }
.early-card {
  display: grid; grid-template-columns: 1fr 380px; gap: 60px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 56px;
  box-shadow: var(--shadow); align-items: start;
}
.early-tag {
  display: inline-block; background: #fef3c7; color: #92400e;
  border: 1px solid #fde68a; border-radius: 100px;
  padding: 5px 14px; font-size: 13px; font-weight: 600; margin-bottom: 20px;
}
.early-left h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 800; margin-bottom: 16px; letter-spacing: -.5px; }
.early-left > p { font-size: 16px; color: var(--text-muted); line-height: 1.7; margin-bottom: 32px; }
.early-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; list-style: none; }
.early-list li { display: flex; gap: 14px; align-items: flex-start; }
.early-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.early-list strong { display: block; font-size: 15px; margin-bottom: 2px; }
.early-list span { font-size: 13px; color: var(--text-muted); }

.early-right { display: flex; flex-direction: column; gap: 20px; }
.early-counter {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border-radius: var(--radius-lg); padding: 36px; text-align: center; color: white;
}
.early-counter-num { font-size: 72px; font-weight: 800; line-height: 1; letter-spacing: -3px; }
.early-counter-label { font-size: 15px; opacity: .85; margin-bottom: 20px; }
.early-progress { background: rgba(255,255,255,.25); border-radius: 100px; height: 8px; margin-bottom: 8px; }
.early-progress-bar { background: #fff; height: 8px; border-radius: 100px; transition: width .6s ease; }
.early-progress-label { font-size: 13px; opacity: .8; }
.early-perks {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
}
.early-perk { font-size: 14px; font-weight: 500; color: var(--text); }
.early-perk strong { color: var(--primary); }

@media (max-width: 900px) {
  .early-card { grid-template-columns: 1fr; padding: 32px 24px; gap: 32px; }
}
[data-theme="dark"] .early-counter { background: linear-gradient(135deg, #4338ca, #7c3aed); }
[data-theme="dark"] .early-card { background: #1f2937; border-color: #374151; }
[data-theme="dark"] .early-perks { background: #111827; border-color: #374151; }

/* ===== STICKY CTA ===== */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 14px 24px; display: flex; align-items: center; justify-content: center;
  gap: 20px; box-shadow: 0 -4px 24px rgba(0,0,0,.1);
  transform: translateY(100%); transition: transform .3s ease;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta span { font-size: 15px; font-weight: 600; }
.sticky-close {
  position: absolute; right: 16px;
  background: none; border: none; cursor: pointer;
  font-size: 18px; color: var(--text-muted);
}

/* ===== POPUP ===== */
.popup-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.5); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
.popup-overlay.visible { opacity: 1; pointer-events: auto; }
.popup-card {
  background: var(--bg); border-radius: var(--radius-lg);
  padding: 48px 40px; text-align: center; max-width: 420px; width: 90%;
  box-shadow: var(--shadow-lg); position: relative;
}
.popup-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; cursor: pointer;
  font-size: 20px; color: var(--text-muted);
}
.popup-emoji { font-size: 48px; margin-bottom: 16px; }
.popup-card h3 { font-size: 24px; font-weight: 800; margin-bottom: 12px; }
.popup-card p { font-size: 16px; color: var(--text-muted); margin-bottom: 28px; }
.popup-card p strong { color: var(--primary); }
.popup-note { font-size: 12px; color: var(--text-muted); margin-top: 12px; }

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 300;
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 16px 24px; display: flex; align-items: center;
  justify-content: space-between; gap: 20px;
  box-shadow: 0 -4px 24px rgba(0,0,0,.08);
  transform: translateY(0); transition: transform .3s;
}
.cookie-banner.hidden { transform: translateY(110%); }
.cookie-text { font-size: 14px; color: var(--text-muted); }
.cookie-text a { color: var(--primary); margin-left: 6px; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-decline { padding: 8px 16px; font-size: 13px; }
.cookie-banner .btn-primary { padding: 8px 20px; font-size: 13px; }

/* ===== RESPONSIVE ===== */
/* ============================================================
   ANIMATIONS
   ============================================================ */

/* Hero gradient pulse */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero {
  background: linear-gradient(135deg, #f0f4ff, #faf5ff, #f0fdf4, #fef3c7, #f0f4ff);
  background-size: 300% 300%;
  animation: gradientShift 12s ease infinite;
}
[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1e1b4b, #1f2937, #14532d, #1f2937, #1e1b4b);
  background-size: 300% 300%;
  animation: gradientShift 12s ease infinite;
}

/* Button shine */
.btn-primary { position: relative; overflow: hidden; }
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent);
  transform: skewX(-20deg);
  transition: none;
}
.btn-primary:hover::after {
  left: 150%;
  transition: left .5s ease;
}

/* Online dot pulse */
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%  { transform: scale(1.4); opacity: .7; }
}
.online-dot { animation: pulse 2s ease-in-out infinite; }

/* Floating badges */
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.notification-card { animation: float 3s ease-in-out infinite; }
.floating-badge    { animation: float 3.5s ease-in-out infinite reverse; }

/* Typing dots */
@keyframes typing {
  0%,80%,100% { opacity:.3; transform: scale(.8); }
  40%         { opacity:1;  transform: scale(1);  }
}
.typing-dots span { animation: typing 1.2s infinite; }
.typing-dots span:nth-child(2) { animation-delay: .2s; }
.typing-dots span:nth-child(3) { animation-delay: .4s; }

/* Progress bar animated */
@keyframes progressFill {
  from { width: 0; }
}
.early-progress-bar { animation: progressFill 1.2s ease .4s both; }

/* Stat card number color flash on count */
.stat-big { transition: color .2s; }

/* ============================================================
   RESPONSIVE — TABLET 900px
   ============================================================ */
@media (max-width: 1100px) {
  .nav-links a { padding: 8px 7px; font-size: 12px; }
}

@media (max-width: 900px) {
  /* Why grid */
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  /* On-premise */
  .onprem-banner { flex-direction: column; align-items: flex-start; }

  /* Nav */
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-right { gap: 6px; }
  .nav-cta .btn-ghost { display: none; }

  /* Hero */
  .hero { padding: 56px 0 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
  .hero-text h1 { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .hero-visual { display: flex; justify-content: center; margin: 0 auto; }
  .notification-card { display: none; }
  .floating-badge { bottom: -10px; left: 0; }
  .chat-window { width: 290px; }

  /* Logos */
  .logos-row { gap: 20px; }

  /* Features */
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid .feature-card[style*="span 3"] { grid-column: span 2; }

  /* Use cases */
  .uc-tabs { gap: 6px; }
  .uc-tab { padding: 10px 16px; font-size: 13px; }
  .uc-content { grid-template-columns: 1fr; padding: 28px; gap: 24px; }
  .uc-metric-card { flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .uc-metric { min-width: 80px; }

  /* ROI */
  .roi-card { grid-template-columns: 1fr; padding: 28px; gap: 28px; }

  /* Steps */
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); padding-top: 0; }
  .step { max-width: 100%; width: 100%; }

  /* Demo */
  .demo-mockup { grid-template-columns: 1fr; }
  .demo-sidebar { border-right: none; border-bottom: 1px solid var(--border); max-height: 180px; overflow-y: auto; }
  .demo-messages { min-height: 140px; }

  /* Integrations */
  .integr-grid { grid-template-columns: repeat(4, 1fr); }

  /* Comparison */
  .cmp-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .cmp-table { min-width: 560px; font-size: 13px; }
  .cmp-table th, .cmp-table td { padding: 10px 12px; }

  /* Early */
  .early-card { grid-template-columns: 1fr; padding: 32px 24px; gap: 32px; }
  .early-counter-num { font-size: 56px; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { flex-wrap: wrap; gap: 24px; }

  /* Sticky / Cookie */
  .sticky-cta { flex-wrap: wrap; gap: 10px; padding: 12px 16px; }
  .sticky-cta span { font-size: 13px; }
  .cookie-banner { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ============================================================
   RESPONSIVE — MOBILE 600px
   ============================================================ */
@media (max-width: 600px) {
  /* Why grid */
  .why-grid { grid-template-columns: 1fr; }
  /* Payment */
  .payment-row { flex-direction: column; align-items: flex-start; }

  /* Base */
  .container { padding: 0 16px; }
  section { padding-top: 64px !important; padding-bottom: 64px !important; }
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: 26px; }
  .section-header p { font-size: 15px; }

  /* Nav */
  .logo { font-size: 18px; }
  .lang-switcher { padding: 2px; }
  .lang-btn { padding: 3px 6px; font-size: 10px; }
  .dark-toggle { font-size: 15px; padding: 4px; }

  /* Hero */
  .hero { padding: 44px 0 0; }
  .hero-text h1 { font-size: 30px; letter-spacing: -1px; }
  .hero-sub { font-size: 15px; }
  .hero-badges-row { gap: 6px; }
  .hero-badge { font-size: 12px; padding: 5px 11px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions .btn-lg { width: 100%; text-align: center; padding: 14px; }
  .hero-stats { gap: 12px; flex-wrap: wrap; }
  .stat strong { font-size: 18px; }
  .stat span { font-size: 12px; }
  .chat-window { width: 100%; max-width: 320px; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .features-grid .feature-card[style*="span 3"] { grid-column: span 1; }
  .translate-demo-pill { margin-left: 0; margin-top: 12px; }
  .feature-card { padding: 24px; }

  /* Use cases */
  .uc-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; justify-content: flex-start; padding-bottom: 4px; }
  .uc-tab { flex-shrink: 0; }
  .uc-content { padding: 20px 16px; }
  .uc-text h3 { font-size: 20px; }
  .uc-metric-card { padding: 20px 16px; }
  .uc-num { font-size: 28px; }

  /* ROI */
  .roi-card { padding: 20px 16px; }
  .roi-result-amount { font-size: 44px; }

  /* Steps */
  .code-block pre { font-size: 12px; padding: 16px; overflow-x: auto; }

  /* Demo */
  .demo-section { padding: 64px 0; }
  .demo-split { grid-template-columns: 1fr !important; max-width: 440px !important; }
  .demo-operator-side { display: none; }
  .demo-split[data-mode="operator"] .demo-operator-side { display: flex; }
  .demo-split[data-mode="operator"] .demo-visitor-side { display: none; }
  .demo-mockup-inner { grid-template-columns: 1fr !important; }
  .demo-mockup-inner .demo-sidebar { display: none; }
  .demo-mockup { font-size: 13px; }
  .demo-main-header { flex-wrap: wrap; gap: 4px; font-size: 12px; }
  .demo-translate-badge { font-size: 10px; padding: 2px 8px; }

  /* Integrations */
  .integr-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .integr-item { padding: 14px 8px; }
  .integr-icon { width: 36px; height: 36px; }
  .integr-icon svg { width: 36px; height: 36px; }
  .integr-item span { font-size: 10px; }

  /* Comparison */
  .cmp-table { font-size: 12px; }
  .cmp-table th, .cmp-table td { padding: 8px 10px; }

  /* Early */
  .early-card { padding: 24px 16px; }
  .early-left h2 { font-size: 22px; }
  .early-counter { padding: 28px 20px; }
  .early-counter-num { font-size: 48px; }
  .early-list li { gap: 10px; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr; gap: 14px; }
  .stat-big { font-size: 44px; }
  .stat-card { padding: 24px; }

  /* Pricing */
  .pricing-grid { max-width: 100%; }
  .plan { padding: 28px 20px; }
  .plan-price strong { font-size: 34px; }

  /* FAQ */
  .faq-item summary { font-size: 14px; padding: 16px 0; }

  /* CTA */
  .cta-inner h2 { font-size: 26px; }
  .cta-inner p { font-size: 15px; }

  /* Footer */
  .footer-inner { padding: 40px 16px; }
  .footer-links { gap: 20px; }
  .footer-col { min-width: 120px; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }

  /* Sticky */
  .sticky-cta { flex-direction: column; align-items: stretch; text-align: center; gap: 10px; }
  .sticky-cta .btn-primary { width: 100%; }
  .sticky-close { top: 10px; right: 10px; }

  /* Cookie */
  .cookie-btns { width: 100%; }
  .cookie-btns button { flex: 1; }

  /* Popup */
  .popup-card { padding: 36px 20px; }
  .popup-emoji { font-size: 36px; }
  .popup-card h3 { font-size: 20px; }
}