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

:root {
  --primary: #7C3AED;
  --primary-dark: #6D28D9;
  --primary-light: #8B5CF6;
  --secondary: #EC4899;
  --accent: #F59E0B;
  --success: #10B981;
  --dark: #0F172A;
  --dark-light: #1E293B;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --border: #334155;
  --white: #FFFFFF;
  --shadow: rgba(124, 58, 237, 0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s;
}

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

.btn-header {
  background: var(--primary);
  color: white;
  padding: 10px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s;
}

.btn-header:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow);
}

/* Hero Section */
.hero {
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1400px;
  height: 1400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-block;
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.4);
  color: var(--primary-light);
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.highlight {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
}

.check {
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  flex-shrink: 0;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px var(--shadow);
  width: fit-content;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--shadow);
}

.btn-large {
  padding: 18px 40px;
  font-size: 18px;
}

.btn-arrow {
  font-size: 20px;
  transition: transform 0.3s;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.cta-note {
  font-size: 14px;
  color: var(--text-muted);
}

/* Mockup Browser */
.mockup-browser {
  background: var(--dark-light);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

.browser-header {
  background: rgba(30, 41, 59, 0.8);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

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

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

.browser-dots span:nth-child(1) { background: #EF4444; }
.browser-dots span:nth-child(2) { background: #F59E0B; }
.browser-dots span:nth-child(3) { background: #10B981; }

.browser-url {
  flex: 1;
  background: var(--dark);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.browser-content {
  background: var(--dark);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 400px;
}

/* Demo Chat (Hero) */
.demo-chat {
  background: var(--dark);
  height: 400px;
  display: flex;
  flex-direction: column;
}

.demo-chat-header {
  background: var(--dark-light);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.demo-avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-avatar-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.demo-chat-info {
  flex: 1;
}

.demo-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.demo-status {
  font-size: 12px;
  color: var(--success);
}

.demo-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-msg {
  display: flex;
  max-width: 75%;
}

.demo-msg-ai {
  align-self: flex-start;
}

.demo-msg-user {
  align-self: flex-end;
}

.demo-msg-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.demo-msg-ai .demo-msg-bubble {
  background: var(--dark-light);
  border: 1px solid var(--border);
}

.demo-msg-user .demo-msg-bubble {
  background: var(--primary);
  color: white;
}

.demo-input {
  padding: 16px 20px;
  background: var(--dark-light);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  align-items: center;
}

.demo-input-field {
  flex: 1;
  background: var(--dark);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.demo-send-btn {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  cursor: pointer;
}

/* Demo Platform (Hero) */
.demo-platform {
  background: var(--dark);
  height: 400px;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.demo-platform-header {
  margin-bottom: 20px;
}

.demo-platform-header h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.demo-tabs {
  display: flex;
  gap: 8px;
}

.demo-tab {
  padding: 8px 16px;
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.demo-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.demo-platform-content {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-section {
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.demo-section-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.demo-aula-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo-aula {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
}

.demo-aula:hover {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.1);
}

.demo-aula-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  min-width: 24px;
}

.demo-aula-title {
  font-size: 13px;
  color: var(--text);
}

.demo-ai-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.demo-mini-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: all 0.2s;
}

.demo-mini-card:hover {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.1);
}

.demo-mini-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.demo-mini-card span {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Create IA Demo (Hero) */
.create-ia-demo {
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.demo-header {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.demo-header h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.demo-header p {
  font-size: 14px;
  color: var(--text-muted);
}

.demo-form-simple {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.demo-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.demo-field input,
.demo-field select,
.demo-field textarea {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text);
  font-family: inherit;
  transition: all 0.2s;
}

.demo-field input:focus,
.demo-field select:focus,
.demo-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.05);
}

.demo-field textarea {
  resize: none;
  line-height: 1.5;
}

.demo-btn-create {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: 10px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}

.demo-btn-create:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.4);
}

/* Demo Gallery */
.demo-gallery {
  background: var(--dark);
  padding: 24px;
  min-height: 400px;
}

.demo-gallery-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.demo-gallery-header h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.demo-btn-small {
  background: var(--primary);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.demo-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.demo-ai-card {
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: center;
  position: relative;
  transition: all 0.3s;
}

.demo-ai-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.demo-ai-card.demo-premium {
  border-color: #FFD700;
  background: rgba(255, 215, 0, 0.05);
}

.demo-premium-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #000;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
}

.demo-ai-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  flex-shrink: 0;
}

.demo-ai-img-1 {
  background: linear-gradient(135deg, #EC4899, #F472B6);
}

.demo-ai-img-2 {
  background: linear-gradient(135deg, #FFD700, #FFA500);
}

.demo-ai-img-3 {
  background: linear-gradient(135deg, #8B5CF6, #A78BFA);
}

.demo-ai-img-4 {
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
}

.demo-ai-details {
  flex: 1;
}

.demo-ai-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.demo-ai-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* Demo Chat Mini */
.demo-chat-mini {
  background: var(--dark);
  border-radius: 8px;
  overflow: hidden;
  min-height: 350px;
  display: flex;
  flex-direction: column;
}

.demo-chat-mini-header {
  background: var(--dark-light);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
}

.demo-avatar-small {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.demo-msgs-mini {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.demo-msg-mini {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  max-width: 80%;
  line-height: 1.4;
}

.demo-msg-mini.ai {
  align-self: flex-start;
  background: var(--dark-light);
  border: 1px solid var(--border);
}

.demo-msg-mini.user {
  align-self: flex-end;
  background: var(--primary);
  color: white;
}

.demo-input-mini {
  padding: 12px 16px;
  background: var(--dark-light);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

.demo-input-mini input {
  flex: 1;
  background: var(--dark);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}

.demo-input-mini button {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

/* Demo Form */
.demo-form {
  background: var(--dark);
  padding: 24px;
  border-radius: 8px;
  min-height: 400px;
}

.demo-form-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.demo-form-field {
  margin-bottom: 16px;
}

.demo-form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.demo-form-field input,
.demo-form-field select,
.demo-form-field textarea {
  width: 100%;
  background: var(--dark-light);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

.demo-form-field textarea {
  min-height: 80px;
  resize: vertical;
}

.demo-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.demo-btn-create {
  width: 100%;
  background: var(--primary);
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.3s;
}

.demo-btn-create:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* Social Proof */
.social-proof {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  color: var(--text-muted);
}

/* Sections */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 20px;
  color: var(--text-muted);
}

/* Benefits */
.benefits {
  background: var(--dark-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.benefit-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.15);
}

.benefit-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.benefit-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.benefit-description {
  color: var(--text-muted);
  line-height: 1.7;
}

/* How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}

.step-card {
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  position: relative;
}

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.step-icon {
  font-size: 64px;
  margin-bottom: 24px;
}

.step-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-description {
  color: var(--text-muted);
  line-height: 1.7;
}

.step-arrow {
  font-size: 32px;
  color: var(--primary);
}

/* Showcase */
.showcase {
  background: var(--dark-light);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.showcase-item {
  text-align: center;
}

.showcase-image {
  margin-bottom: 24px;
}

.mockup-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.showcase-item:hover .mockup-card {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.15);
}

.mockup-header {
  background: rgba(30, 41, 59, 0.8);
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.mockup-content {
  padding: 24px;
  min-height: 280px;
}

/* Gallery Mockup */
.gallery-mockup {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ai-card-mock {
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  gap: 12px;
  position: relative;
}

.premium-badge-mock {
  position: absolute;
  top: 8px;
  right: 8px;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
}

.ai-avatar-mock {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  flex-shrink: 0;
}

.ai-info-mock {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-name-mock {
  height: 16px;
  background: var(--border);
  border-radius: 4px;
  width: 70%;
}

.ai-desc-mock {
  height: 12px;
  background: rgba(148, 163, 184, 0.3);
  border-radius: 4px;
  width: 90%;
}

/* Chat Mockup */
.chat-mockup {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message-mock {
  display: flex;
  max-width: 80%;
}

.user-message-mock {
  align-self: flex-end;
}

.ai-message-mock {
  align-self: flex-start;
}

.message-text-mock {
  background: var(--border);
  border-radius: 12px;
  height: 14px;
  margin-bottom: 6px;
  width: 100%;
}

.user-message-mock .message-text-mock {
  background: var(--primary);
}

.message-text-mock.short {
  width: 60%;
}

/* Form Mockup */
.form-mockup {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-field-mock {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label-mock {
  height: 12px;
  background: var(--border);
  border-radius: 4px;
  width: 30%;
}

.form-input-mock {
  height: 40px;
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.form-textarea-mock {
  height: 80px;
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.showcase-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.showcase-description {
  color: var(--text-muted);
  font-size: 15px;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.testimonial-card.featured {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.1);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.15);
}

.testimonial-stars {
  font-size: 18px;
  margin-bottom: 16px;
}

.testimonial-text {
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.author-name {
  font-weight: 600;
  margin-bottom: 4px;
}

.author-role {
  font-size: 14px;
  color: var(--text-muted);
}

/* Pricing */
.pricing {
  background: var(--dark-light);
}

.pricing-badge {
  display: inline-block;
  background: linear-gradient(135deg, #EF4444, #DC2626);
  color: white;
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 700;
  margin-top: 16px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--dark);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  position: relative;
  transition: all 0.3s;
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.2);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #000;
  padding: 8px 20px;
  border-radius: 24px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.pricing-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.pricing-price {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: 12px;
}

.currency {
  font-size: 24px;
  font-weight: 700;
  margin-top: 8px;
}

.amount {
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
}

.cents {
  font-size: 32px;
  font-weight: 800;
  margin-top: 8px;
}

.period {
  font-size: 18px;
  color: var(--text-muted);
  margin-top: 12px;
  margin-left: 4px;
}

.pricing-description {
  color: var(--text-muted);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
}

.pricing-feature.disabled {
  opacity: 0.5;
}

.feature-check {
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.pricing-feature.disabled .feature-check {
  background: var(--border);
}

.btn-pricing {
  width: 100%;
  background: var(--primary);
  color: white;
  padding: 16px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  display: block;
  text-align: center;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-pricing:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow);
}

.btn-pricing.premium {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.pricing-note {
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.pricing-guarantee {
  max-width: 600px;
  margin: 60px auto 0;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: center;
}

.guarantee-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.guarantee-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--success);
}

.guarantee-text {
  color: var(--text-muted);
  line-height: 1.7;
}

/* FAQ */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-question h3 {
  font-size: 18px;
  font-weight: 600;
}

.faq-icon {
  font-size: 24px;
  font-weight: 300;
  color: var(--primary);
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px;
}

.faq-answer p {
  color: var(--text-muted);
  line-height: 1.7;
}

/* Final CTA */
.final-cta {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(236, 72, 153, 0.2));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.final-cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.final-cta-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.final-cta-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.final-cta-note {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 16px;
  margin-bottom: 40px;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--dark-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}

.trust-icon {
  font-size: 20px;
}

/* Footer */
.footer {
  background: var(--dark-light);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-text {
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 12px;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 968px) {
  .container {
    padding: 0 20px;
  }

  .nav {
    display: none;
  }

  .btn-header {
    display: none;
  }

  section {
    padding: 60px 0;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-image {
    order: -1;
  }

  .create-ia-demo {
    padding: 24px;
  }

  .demo-header h3 {
    font-size: 18px;
  }

  .demo-field-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .step-arrow {
    display: none;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-card.popular {
    transform: scale(1);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .final-cta-title {
    font-size: 36px;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  section {
    padding: 50px 0;
  }

  .hero {
    padding: 90px 0 50px;
  }

  .header .container {
    padding: 0 16px;
  }

  .logo {
    font-size: 16px;
  }

  .badge {
    font-size: 12px;
    padding: 6px 12px;
  }

  .hero-title {
    font-size: 28px;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .feature-item {
    font-size: 14px;
  }

  .btn-large {
    padding: 14px 28px;
    font-size: 16px;
    width: 100%;
    justify-content: center;
  }

  .cta-note {
    font-size: 13px;
    text-align: center;
  }

  .section-title {
    font-size: 28px;
    line-height: 1.2;
  }

  .section-subtitle {
    font-size: 15px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .stat-number {
    font-size: 36px;
  }

  .stat-label {
    font-size: 14px;
  }

  .benefit-card,
  .step-card,
  .testimonial-card {
    padding: 24px;
  }

  .benefit-icon,
  .step-icon {
    font-size: 40px;
  }

  .benefit-title,
  .step-title {
    font-size: 18px;
  }

  .benefit-description,
  .step-description {
    font-size: 14px;
  }

  .pricing-badge {
    font-size: 14px;
    padding: 10px 20px;
  }

  .pricing-card {
    padding: 28px 20px;
  }

  .pricing-name {
    font-size: 20px;
  }

  .amount {
    font-size: 52px;
  }

  .cents {
    font-size: 28px;
  }

  .pricing-feature {
    font-size: 14px;
  }

  .pricing-guarantee {
    padding: 24px 20px;
    flex-direction: column;
    text-align: center;
  }

  .guarantee-icon {
    font-size: 40px;
  }

  .guarantee-title {
    font-size: 18px;
  }

  .faq-question h3 {
    font-size: 16px;
  }

  .faq-question,
  .faq-item.active .faq-answer {
    padding: 20px;
  }

  .final-cta-title {
    font-size: 28px;
    line-height: 1.2;
  }

  .final-cta-subtitle {
    font-size: 16px;
  }

  .trust-badges {
    flex-direction: column;
    gap: 16px;
  }

  .trust-badge {
    width: 100%;
    justify-content: center;
  }

  .mockup-content {
    min-height: 240px;
    padding: 20px;
  }

  .showcase-title {
    font-size: 18px;
  }

  .showcase-description {
    font-size: 14px;
  }

  .browser-url {
    font-size: 11px;
  }

  .mockup-img {
    max-height: 300px;
  }

  .browser-content {
    min-height: 300px;
  }

  .demo-chat {
    height: 300px;
  }

  .demo-messages {
    padding: 12px;
    gap: 8px;
  }

  .demo-msg-bubble {
    font-size: 12px;
    padding: 8px 10px;
  }

  .demo-input {
    padding: 12px;
  }

  .demo-gallery {
    padding: 16px;
    min-height: 300px;
  }

  .demo-ai-grid {
    grid-template-columns: 1fr;
  }

  .demo-chat-mini {
    min-height: 280px;
  }

  .demo-msgs-mini {
    padding: 12px;
    gap: 8px;
  }

  .demo-msg-mini {
    font-size: 12px;
    padding: 7px 10px;
  }

  .demo-form {
    padding: 16px;
    min-height: 300px;
  }

  .demo-form-title {
    font-size: 16px;
  }

  .demo-form-field label {
    font-size: 12px;
  }

  .demo-form-field input,
  .demo-form-field select,
  .demo-form-field textarea {
    font-size: 13px;
    padding: 8px 10px;
  }

  .demo-form-field textarea {
    min-height: 60px;
  }
}

/* Extra small devices */
@media (max-width: 380px) {
  .hero-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 24px;
  }

  .amount {
    font-size: 44px;
  }

  .cents {
    font-size: 24px;
  }

  .popular-badge {
    font-size: 12px;
    padding: 6px 16px;
  }

  .final-cta-title {
    font-size: 24px;
  }

  .mockup-img {
    max-height: 250px;
  }

  .browser-content {
    min-height: 250px;
  }

  .demo-chat {
    height: 250px;
  }

  .demo-gallery {
    min-height: 250px;
  }

  .demo-ai-grid {
    gap: 12px;
  }

  .demo-ai-card {
    padding: 12px;
  }

  .demo-ai-img {
    width: 50px;
    height: 50px;
  }

  .demo-chat-mini {
    min-height: 240px;
  }

  .demo-form {
    min-height: 250px;
  }

  .demo-form-row {
    grid-template-columns: 1fr;
  }
}