:root {
  /* Marca: verde natural (#3E753A), acento menta (#C3F8BD), crema, texto gris oscuro */
  --primary: #3E753A;
  --primary-dark: #2d5a2a;
  --primary-light: #e3f0e1;
  --primary-muted: #c4dcc0;
  --mint: #C3F8BD;
  --mint-soft: #e8fceb;
  --cream: #F4EFE6;
  --cream-deep: #EBE4D4;
  --dark: #2C2B28;
  --dark-soft: #3D3B36;
  --text: #3D3B37;
  --text-light: #5E5A54;
  --bg: #ffffff;
  --bg-alt: #F4EFE6;
  --bg-dark: #2a3d28;
  --border: #ddd8ce;
  --primary-rgb: 62, 117, 58;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Logo corporativo (medalla circular en image.png) */
.brand-mark {
  display: block;
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 50%;
  background: transparent;
}

.navbar-logo .brand-mark {
  width: 52px;
  height: 52px;
}

.navbar-logo span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--dark);
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}

.navbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
}

.navbar-cta svg {
  width: 14px;
  height: 14px;
}

.navbar-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.35);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(160deg, #ffffff 0%, var(--cream) 45%, #eef6ec 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(195, 248, 189, 0.25) 0%, transparent 65%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--mint-soft);
  color: var(--primary-dark);
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--primary);
  background: none;
  -webkit-text-fill-color: currentColor;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.22);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.32);
}

.btn-secondary {
  background: white;
  color: var(--dark);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-mockup {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: white;
  padding: 24px;
  position: relative;
}

.hero-video-wrap {
  width: 100%;
  max-width: 560px;
  border-radius: 18px;
  box-shadow: 0 12px 40px -8px rgba(0,0,0,0.15);
  background: #000;
  overflow: hidden;
  position: relative;
}

.hero-video-wrap video {
  cursor: pointer;
}

.hero-mockup-chat {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-bubble {
  max-width: 85%;
  padding: 14px 18px;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.5;
  animation: fadeInUp 0.6s ease both;
}

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

.chat-bubble.ai {
  align-self: flex-start;
  background: var(--bg-alt);
  color: var(--text);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--border);
}

.chat-bubble:nth-child(2) { animation-delay: 0.2s; }
.chat-bubble:nth-child(3) { animation-delay: 0.4s; }
.chat-bubble:nth-child(4) { animation-delay: 0.6s; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

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

.hero-stat .number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--dark);
}

.hero-stat .label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 2px;
}

/* ===== SECTIONS COMMON ===== */
section {
  padding: 100px 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.7;
}

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

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ===== ABOUT ===== */
.about {
  background: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-main img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-image-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: white;
  border-radius: var(--radius);
  padding: 16px 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-image-float .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.about-image-float .icon svg {
  width: 22px;
  height: 22px;
}

.about-image-float .text .number {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
}

.about-image-float .text .label {
  font-size: 0.75rem;
  color: var(--text-light);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-feature .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.about-feature .icon svg {
  width: 20px;
  height: 20px;
}

.about-feature h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.about-feature p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== AI TUTOR ===== */
.ai-tutor {
  background: var(--bg-alt);
}

.ai-tutor-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.ai-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.ai-feature-card {
  background: white;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.ai-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.ai-feature-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.5rem;
}

.ai-feature-card:nth-child(1) .icon { background: var(--mint); }
.ai-feature-card:nth-child(2) .icon { background: var(--cream); }
.ai-feature-card:nth-child(3) .icon { background: var(--primary-light); }
.ai-feature-card:nth-child(4) .icon { background: var(--mint-soft); }

.ai-feature-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.ai-feature-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== COMPARISON ===== */
.comparison {
  background: var(--bg);
}

.comparison-table {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 0;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  max-width: 900px;
  margin: 0 auto;
}

.comparison-table .col-header {
  padding: 24px;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  border-bottom: 2px solid var(--border);
}

.comparison-table .col-header:first-child {
  text-align: left;
  color: var(--text-light);
  font-size: 0.9rem;
}

.comparison-table .col-header.chatgpt {
  background: #f5f5f5;
  color: var(--text);
}

.comparison-table .col-header.eurekat {
  background: var(--primary);
  color: white;
}

.comparison-table .row {
  display: contents;
}

.comparison-table .cell {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.comparison-table .cell:first-child {
  justify-content: flex-start;
  font-weight: 500;
  color: var(--text);
}

.comparison-table .cell.chatgpt-col {
  background: #fafafa;
}

.comparison-table .cell.eurekat-col {
  background: var(--mint-soft);
}

.comparison-table .check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.comparison-table .check.yes {
  background: var(--primary-light);
  color: var(--primary);
}

.comparison-table .check.no {
  background: #fee2e2;
  color: #ef4444;
}

.comparison-table .check.partial {
  background: #fef3c7;
  color: #f59e0b;
}

.comparison-table .check svg {
  width: 14px;
  height: 14px;
}

/* ===== HUMAN VALUE ===== */
.human-value {
  background: linear-gradient(145deg, var(--bg-dark) 0%, #1d3320 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.human-value::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.human-value .section-tag {
  background: rgba(195, 248, 189, 0.2);
  color: var(--mint);
}

.human-value .section-title {
  color: white;
}

.human-value .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.human-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 20px;
}

.human-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.human-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.human-card .icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.human-card:nth-child(1) .icon { background: rgba(195, 248, 189, 0.2); }
.human-card:nth-child(2) .icon { background: rgba(195, 248, 189, 0.12); }
.human-card:nth-child(3) .icon { background: rgba(255, 255, 255, 0.1); }

.human-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
}

.human-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

.human-highlight {
  margin-top: 48px;
  background: rgba(195, 248, 189, 0.1);
  border: 1px solid rgba(195, 248, 189, 0.25);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.human-highlight .icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.8rem;
}

.human-highlight h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.human-highlight p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  background: var(--bg-alt);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--mint));
  opacity: 0.25;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.step-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== PRICING ===== */
.pricing {
  background: var(--bg);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.pricing-toggle span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}

.pricing-toggle span.active {
  color: var(--dark);
  font-weight: 600;
}

.toggle-switch {
  width: 52px;
  height: 28px;
  background: var(--border);
  border-radius: 50px;
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.toggle-switch.active {
  background: var(--primary);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch.active::after {
  left: 27px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 2px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.15);
}

.pricing-card.featured::before {
  content: 'Recomendado';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card .plan-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.pricing-card .plan-target {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.pricing-card .plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.pricing-card .plan-price .amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}

.pricing-card .plan-price .period {
  font-size: 0.9rem;
  color: var(--text-light);
}

.pricing-card .plan-savings {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 24px;
  min-height: 20px;
}

.pricing-card .plan-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-card .plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
}

.pricing-card .plan-features li svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.pricing-card .plan-btn {
  display: block;
  width: 100%;
  padding: 14px;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
}

.pricing-card .plan-btn.primary {
  background: var(--primary);
  color: white;
}

.pricing-card .plan-btn.primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.35);
}

.pricing-card .plan-btn.outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.pricing-card .plan-btn.outline:hover {
  background: var(--primary-light);
}

.pricing-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.pricing-note strong {
  color: var(--primary);
}

/* ===== AUDIENCE ===== */
.audience {
  background: var(--bg-alt);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

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

.audience-card .emoji {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.audience-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.audience-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq {
  background: var(--bg);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.12);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  transition: var(--transition);
}

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

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--text-light);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
  color: var(--primary);
}

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

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, #325c2f 55%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-section .btn {
  background: white;
  color: var(--primary-dark);
  font-weight: 700;
  padding: 16px 36px;
  font-size: 1rem;
  position: relative;
}

.cta-section .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 320px;
}

.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand .logo a {
  line-height: 0;
  flex-shrink: 0;
}

.footer-brand .logo .brand-mark {
  width: 48px;
  height: 48px;
}

.footer-brand .logo span {
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: white;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.85rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* ===== LANDING: bloques alternos, servicios, autoridad ===== */
.section-cream {
  background: var(--cream);
}

.img-rounded {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.img-rounded img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 4/3;
}

/* Foto sin recorte forzado (p. ej. CTA final con proporción distinta a 4:3) */
.img-rounded.img-rounded--natural img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center;
  aspect-ratio: auto;
}

.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-2.reverse {
  direction: rtl;
}
.split-2.reverse > * {
  direction: ltr;
}

.microcopy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin-top: 28px;
  max-width: 520px;
}

@media (min-width: 600px) {
  .hero .microcopy-grid { max-width: 560px; }
}

.microcopy-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

.microcopy-item::before {
  content: '✓';
  flex-shrink: 0;
  color: var(--primary);
  font-weight: 700;
  width: 1.25em;
  height: 1.25em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--mint);
  font-size: 0.7rem;
  border-radius: 4px;
}

.prose p {
  margin-bottom: 1em;
  color: var(--text);
  line-height: 1.75;
  font-size: 1.02rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.bullet-soft {
  padding-left: 0;
  margin: 0.5em 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.4em;
}

.bullet-soft li {
  position: relative;
  padding-left: 1.25em;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
}

.bullet-soft li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.services-showcase h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}

.service-card-landing {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.section-cream .service-card-landing,
.about + .section-cream .service-card-landing {
  background: #fff;
}

.service-card-landing:hover {
  border-color: rgba(var(--primary-rgb), 0.35);
  box-shadow: var(--shadow-md);
}

.service-card-landing .sc-thumb {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--cream-deep);
  align-self: start;
}

.service-card-landing .sc-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card-landing .sc-body {
  min-width: 0;
}

.service-sub {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-top: 0.35rem;
}

.service-ideal,
.service-note {
  font-size: 0.9rem;
  color: var(--text);
  margin-top: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: var(--mint-soft);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
}

.subheading-services {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.7;
}

.tag-menta {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary-dark);
  background: var(--mint);
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.key-quote {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin: 1.5rem 0 0 0;
  padding: 1rem 1.25rem;
  background: var(--primary-light);
  border-radius: var(--radius);
  line-height: 1.5;
  border: 1px solid rgba(var(--primary-rgb), 0.15);
}

.ia-gradient-panel {
  background: linear-gradient(180deg, #fff 0%, var(--mint-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin-top: 1.5rem;
}

.benefit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
  margin-top: 1rem;
}

.benefit-grid .benefit {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.45;
}

.benefit-grid .benefit::before {
  content: '✓';
  color: var(--primary);
  font-weight: 800;
  margin-top: 0.1em;
}

.lorena-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin-top: 1.5rem;
  box-shadow: var(--shadow);
}

.lorena-photo {
  max-width: 200px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--cream);
  aspect-ratio: 4/5;
  margin: 0 auto 1.25rem;
}

.lorena-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 1.5rem;
  text-align: left;
}

.team-bullets li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

.stages-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 2rem;
}

.stage-tile {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.1rem;
  text-align: left;
}

.stage-tile strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.stage-tile span {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}

.result-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  justify-content: center;
  margin-top: 2rem;
}

.result-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 0.4rem 0.85rem;
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

.result-pill::before {
  content: '✓';
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 800;
}

.testimonial-block {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-quote {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--dark);
  font-style: italic;
  font-weight: 500;
  margin: 0;
  padding: 0 0.5rem;
}

.testimonial-hint {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 1rem;
}

.proximamente {
  margin-top: 2.5rem;
  padding: 1.5rem 1.75rem;
  background: var(--cream);
  border-radius: var(--radius);
  border: 1px dashed rgba(var(--primary-rgb), 0.3);
}

.proximamente h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.cta-hero-actions .btn-ghost,
.cta-hero-actions .btn-outline-menta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-outline-menta {
  background: #fff;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 50px;
  transition: var(--transition);
  gap: 6px;
}

.btn-outline-menta:hover {
  background: var(--mint-soft);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.85) !important;
  word-break: break-all;
}

.footer-tagline {
  color: var(--mint);
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.differentiation-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-top: 1.25rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  box-shadow: var(--shadow);
}

.differentiation-box p {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text);
}

.differentiation-box p:last-of-type {
  margin-top: 0.75em;
  margin-bottom: 0;
}

/* ===== REGISTRATION PAGE ===== */
.page-registration {
  padding: 120px 0 60px;
  min-height: 100vh;
  background: var(--bg-alt);
}

.registro-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}

.registro-info h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.registro-info .subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 32px;
}

.registro-benefits {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.registro-benefit {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.registro-benefit .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.registro-benefit .icon svg {
  width: 20px;
  height: 20px;
}

.registro-benefit h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 2px;
}

.registro-benefit p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ===== TUTOR PAGE ===== */
.page-tutor {
  padding-top: 72px;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.tutor-iframe-container {
  flex: 1;
  position: relative;
}

.tutor-iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu .navbar-cta {
  display: flex;
  justify-content: center;
  margin-top: 16px;
  width: 100%;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-description { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .hero-visual { order: -1; }
  .hero-mockup { max-width: 400px; }
  .hero-video-wrap { max-width: 100%; }

  .about-grid,
  .ai-tutor-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .comparison-table {
    grid-template-columns: 1.5fr 1fr 1fr;
    font-size: 0.85rem;
  }

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

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid::before { display: none; }

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

  .audience-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .split-2,
  .split-2.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .service-card-landing {
    grid-template-columns: 1fr;
  }

  .service-card-landing .sc-thumb {
    max-width: 120px;
  }

  .stages-cols {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 768px) {
  .navbar-links { display: none; }
  .navbar-cta.desktop { display: none; }
  .navbar-toggle { display: flex; }

  section { padding: 60px 0; }

  .hero { padding: 110px 0 60px; }

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

  .comparison-table {
    grid-template-columns: 1fr;
  }

  .comparison-table .col-header:first-child,
  .comparison-table .cell:first-child {
    display: none;
  }

  .comparison-table .cell {
    padding: 14px 20px;
    justify-content: flex-start;
    gap: 12px;
  }

  .comparison-table .cell::before {
    content: attr(data-label);
    font-weight: 500;
    color: var(--text);
    min-width: 120px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  .human-highlight {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .stages-cols {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-stats { flex-direction: column; gap: 16px; }
}