/* ===========================
   ORIVANA - SEO AI Agency
   Modern Tech Dark Theme
   =========================== */

:root {
  --bg: #07070b;
  --bg-2: #0d0d14;
  --bg-3: #131322;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f5fa;
  --text-2: #b8b8c6;
  --text-3: #7a7a88;
  --brand: #8b5cf6;
  --brand-2: #6366f1;
  --accent: #22d3ee;
  --success: #10b981;
  --warn: #f59e0b;
  --grad: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #22d3ee 100%);
  --grad-soft: linear-gradient(135deg, rgba(139,92,246,.18) 0%, rgba(99,102,241,.15) 50%, rgba(34,211,238,.12) 100%);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 20px 60px -10px rgba(139, 92, 246, 0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background gradient orbs */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.1) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ========== NAVIGATION ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(7, 7, 11, 0.7);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: white;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-right {
  display: flex;
  gap: 12px;
  align-items: center;
}

.lang-switch {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
}

.lang-switch button {
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s;
}

.lang-switch button.active {
  background: var(--grad);
  color: white;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  font-size: 24px;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}

.btn-primary {
  background: var(--grad);
  color: white;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5); }

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); }

.btn-lg { padding: 16px 28px; font-size: 16px; }

/* ========== HERO ========== */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 24px;
}

.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

h1.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-2);
  max-width: 680px;
  margin: 0 auto 36px;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
}

.stat-num {
  font-size: 32px;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 4px;
}

/* ========== SECTIONS ========== */
section { padding: 80px 0; position: relative; }

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand);
  margin-bottom: 12px;
}

h2.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--text-2);
  font-size: 17px;
}

/* ========== CARDS / GRID ========== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}

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

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.card p { color: var(--text-2); font-size: 15px; }

.card ul {
  margin-top: 16px;
  list-style: none;
  padding: 0;
}

.card li {
  padding: 8px 0;
  color: var(--text-2);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.card li::before {
  content: '✓';
  color: var(--brand);
  font-weight: 700;
  flex-shrink: 0;
}

/* ========== PROCESS TIMELINE ========== */
.timeline {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  align-items: flex-start;
  transition: all .3s;
}

.step:hover { border-color: var(--border-strong); }

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--grad);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.step h3 { font-size: 20px; margin-bottom: 8px; letter-spacing: -0.01em;}
.step p { color: var(--text-2); font-size: 15px; }

/* ========== PRICING ========== */
.price-wrap {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}

.price-card {
  background: var(--grad-soft);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.price-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.price-tag {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 16px 0 8px;
}

.price-tag .currency { font-size: 32px; vertical-align: super; font-weight: 600; }
.price-tag .period { font-size: 16px; font-weight: 500; color: var(--text-3); }

.price-badge {
  display: inline-block;
  background: var(--grad);
  color: white;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.price-list {
  list-style: none;
  margin: 28px 0;
  text-align: left;
}

.price-list li {
  padding: 10px 0;
  color: var(--text-2);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

.price-list li:last-child { border-bottom: none; }

.price-list li::before {
  content: '✓';
  color: var(--brand);
  font-weight: 700;
  flex-shrink: 0;
}

/* ========== AI DEMO ========== */
.demo-wrap {
  max-width: 900px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.demo-header {
  padding: 16px 24px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.demo-dots {
  display: flex;
  gap: 6px;
}

.demo-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-strong);
}

.demo-dots span:first-child { background: #ff5f57; }
.demo-dots span:nth-child(2) { background: #febc2e; }
.demo-dots span:nth-child(3) { background: #28c840; }

.demo-title {
  font-size: 13px;
  color: var(--text-3);
  font-family: 'SF Mono', ui-monospace, monospace;
}

.demo-body {
  padding: 32px;
}

.demo-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-3);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: all .2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.demo-output {
  margin-top: 24px;
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 200px;
  font-family: 'SF Mono', ui-monospace, monospace;
  font-size: 14px;
  color: var(--text-2);
  white-space: pre-wrap;
  word-wrap: break-word;
  display: none;
}

.demo-output.show { display: block; }

.demo-output .line { margin-bottom: 10px; }
.demo-output .ai-label { color: var(--brand); font-weight: 700; }
.demo-output .score { color: var(--accent); }
.demo-output .bad { color: #f87171; }
.demo-output .good { color: var(--success); }

.typing::after {
  content: '▊';
  animation: blink 1s infinite;
  color: var(--brand);
}

@keyframes blink { 50% { opacity: 0; } }

/* ========== FAQ ========== */
.faq { max-width: 760px; margin: 0 auto; }

details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 12px;
  transition: all .2s;
}

details[open] { border-color: var(--border-strong); }

details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

details summary::-webkit-details-marker { display: none; }

details summary::after {
  content: '+';
  font-size: 24px;
  color: var(--brand);
  transition: transform .2s;
}

details[open] summary::after { transform: rotate(45deg); }

details p {
  margin-top: 12px;
  color: var(--text-2);
  font-size: 15px;
}

/* ========== CTA BANNER ========== */
.cta-banner {
  background: var(--grad-soft);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--text-2);
  font-size: 17px;
  margin-bottom: 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== FOOTER ========== */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  color: var(--text-3);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
  transition: color .2s;
}

.footer-col a:hover { color: var(--text); }

.footer-col p {
  color: var(--text-3);
  font-size: 14px;
  margin-top: 8px;
  max-width: 300px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-3);
}

/* ========== PAGE HEADERS ========== */
.page-head {
  padding: 60px 0 40px;
  text-align: center;
}

.page-head h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.page-head p {
  color: var(--text-2);
  font-size: 18px;
  max-width: 620px;
  margin: 0 auto;
}

/* ========== CONTACT FORM ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  padding: 32px;
}

.contact-info h3 { font-size: 22px; margin-bottom: 16px; }
.contact-info p { color: var(--text-2); margin-bottom: 24px; }

.info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.info-item .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.info-item .label { font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.05em; }
.info-item .value { color: var(--text); font-weight: 500; }

form.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  gap: 16px;
}

form.contact-form button { margin-top: 8px; width: 100%; }

/* ========== PRICING: MULTI-TIER ========== */
.price-wrap-multi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}

.price-wrap-multi .price-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  box-shadow: 0 30px 80px -10px rgba(139, 92, 246, 0.45);
  transform: scale(1.02);
  border-color: rgba(139, 92, 246, 0.5);
}

.price-card.compact .price-tag { font-size: 52px; }

.price-wrap-multi .price-list { flex: 1; }

.price-card .addon-note {
  display: block;
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 10px;
  font-size: 12px;
  color: var(--accent);
}

/* ========== AI CHAT WIDGET ========== */
.chat-bubble {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--grad);
  border: none;
  color: white;
  font-size: 28px;
  cursor: pointer;
  box-shadow: 0 10px 40px rgba(139, 92, 246, 0.5);
  transition: transform .2s, box-shadow .2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-bubble:hover { transform: scale(1.08); box-shadow: 0 14px 50px rgba(139, 92, 246, 0.65); }

.chat-bubble .pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(139, 92, 246, 0.5);
  animation: chat-pulse 2s ease-out infinite;
  pointer-events: none;
}

@keyframes chat-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}

.chat-panel {
  position: fixed;
  right: 24px;
  bottom: 96px;
  z-index: 999;
  width: min(400px, calc(100vw - 48px));
  height: min(600px, calc(100vh - 140px));
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(139, 92, 246, 0.15);
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.chat-panel.open { display: flex; }

.chat-head {
  padding: 16px 18px;
  background: var(--grad);
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
}

.chat-head .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}

.chat-head .title { font-weight: 700; font-size: 15px; }
.chat-head .subtitle { font-size: 12px; opacity: 0.9; display: flex; align-items: center; gap: 6px; }
.chat-head .subtitle::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
}
.chat-head .close {
  margin-left: auto;
  background: transparent;
  border: none;
  color: white;
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  opacity: 0.85;
}
.chat-head .close:hover { opacity: 1; }

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background:
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.06), transparent 60%),
    radial-gradient(circle at bottom left, rgba(34, 211, 238, 0.04), transparent 60%),
    var(--bg-2);
}

.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  animation: chat-in 0.25s ease-out;
}

@keyframes chat-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.bot {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-msg.user {
  background: var(--grad);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-msg.typing {
  background: var(--surface-2);
  border: 1px solid var(--border);
  align-self: flex-start;
  padding: 12px 16px;
}

.chat-msg.typing span {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 2px;
  border-radius: 50%;
  background: var(--text-3);
  animation: chat-dot 1.4s infinite;
}
.chat-msg.typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes chat-dot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.chat-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 18px 12px;
}

.chat-quick button {
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-2);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
}

.chat-quick button:hover {
  background: var(--surface-2);
  border-color: var(--brand);
  color: var(--text);
}

.chat-foot {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.chat-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.chat-input {
  flex: 1;
  padding: 11px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.chat-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.chat-send {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad);
  border: none;
  color: white;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .15s;
}

.chat-send:hover { transform: translateY(-1px); }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.chat-disclaimer {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-3);
  text-align: center;
}

/* ========== AD CREATIVE MOCK (Meta Ads section) ========== */
.ads-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 40px auto 0;
}

.ad-mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s, border-color .2s;
}

.ad-mock:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.ad-mock .ad-head {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

.ad-mock .ad-head .avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--grad);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.ad-mock .ad-brand { font-weight: 600; color: var(--text); }
.ad-mock .ad-sponsored { color: var(--text-3); font-size: 11px; }

.ad-mock .ad-image {
  height: 140px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(34, 211, 238, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.ad-mock .ad-body { padding: 12px 14px; }

.ad-mock .ad-headline {
  font-weight: 700;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 4px;
}

.ad-mock .ad-copy {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.4;
  margin-bottom: 10px;
}

.ad-mock .ad-cta {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 20px;
    gap: 16px;
  }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .demo-form { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 14px; padding: 20px; }
  section { padding: 56px 0; }
  .price-card.featured { transform: none; }
  .chat-bubble { right: 16px; bottom: 16px; width: 54px; height: 54px; font-size: 24px; }
  .chat-panel { right: 12px; left: 12px; bottom: 80px; width: auto; }
}