/* ==========================================================================
   HES - Habla, Escucha, Siente
   Dark Theme Landing Page Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  --bg-main: #0B1119;
  --bg-card: #0D1520;
  --bg-sidebar: #0F1923;
  --bg-card-hover: #111D2B;
  --bg-glass: rgba(13, 21, 32, 0.8);
  --bg-glass-strong: rgba(11, 17, 25, 0.92);
  --turquesa: #43B9B2;
  --turquesa-light: #5DD8D0;
  --turquesa-glow: rgba(67, 185, 178, 0.15);
  --turquesa-border: rgba(67, 185, 178, 0.2);
  --verde: #10B981;
  --dorado: #D4A84B;
  --dorado-light: #FCD34D;
  --oro: #C8A84E;
  --error: #EF4444;
  --text-primary: #E0F2F1;
  --text-secondary: #8899A6;
  --text-tertiary: #5C6E7E;
  --border: rgba(67, 185, 178, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 100px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-turquesa: 0 0 20px rgba(67, 185, 178, 0.15);
  --shadow-glow-dorado: 0 0 20px rgba(212, 168, 75, 0.15);
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --------------------------------------------------------------------------
   2. RESET AND BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background-color: rgba(67, 185, 178, 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background-color: rgba(67, 185, 178, 0.3);
  color: var(--text-primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

a:not(.btn) {
  color: var(--turquesa);
  text-decoration: none;
  transition: color var(--transition);
}

a:not(.btn):hover {
  color: var(--turquesa-light);
}

/* --------------------------------------------------------------------------
   4. CONTAINER
   -------------------------------------------------------------------------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   5. NAVBAR
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1100px;
  height: 56px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 24px;
}

.navbar.scrolled {
  background: rgba(11, 17, 25, 0.96);
  box-shadow: var(--shadow-md);
  border-color: var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand img {
  height: 34px;
  width: auto;
}

.nav-brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
}

.nav-brand-text .h {
  color: var(--turquesa);
}

.nav-brand-text .e {
  color: var(--turquesa);
}

.nav-brand-text .s {
  color: var(--dorado);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   6. MOBILE MENU
   -------------------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-link {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  transition: color var(--transition), background var(--transition);
}

.mobile-link:hover {
  color: var(--turquesa);
  background: rgba(255, 255, 255, 0.05);
}

/* --------------------------------------------------------------------------
   7. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  border: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--turquesa);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(67, 185, 178, 0.3);
}

.btn-primary:hover {
  background: var(--turquesa-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(67, 185, 178, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--turquesa-border);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
}

.btn-ghost:hover {
  color: var(--turquesa);
}

.btn-large {
  padding: 14px 32px;
  font-size: 1rem;
}

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

/* --------------------------------------------------------------------------
   8. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../imagenes/hero.png') center center / cover no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top,
    rgba(11, 17, 25, 0.9) 0%,
    rgba(11, 17, 25, 0.7) 30%,
    rgba(11, 17, 25, 0.5) 55%,
    rgba(11, 17, 25, 0.3) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
  padding: 0 24px;
}

.hero-logo {
  width: 180px;
  margin: 0 auto 32px;
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(67, 185, 178, 0.2));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--turquesa-glow);
  border: 1px solid var(--turquesa-border);
  border-radius: var(--radius-full);
  padding: 6px 18px;
  color: var(--turquesa);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 24px;
}

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

.hero h1 {
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--turquesa) 0%, var(--turquesa-light) 40%, var(--dorado) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 0.75rem;
  z-index: 2;
  animation: scrollDown 2s ease-in-out infinite;
}

.scroll-indicator svg {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------------------------------------
   9. SECTIONS BASE
   -------------------------------------------------------------------------- */
section {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

/* Alternate background for emociones and niveles */
#emociones,
#niveles {
  background: var(--bg-card);
}

/* Section Labels / Titles / Subtitles */
.section-label {
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--turquesa);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

.que-es-description {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 700px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* Center text for section headers */
#que-es-hes .fade-in:first-child,
#emociones .fade-in:first-child,
#como-funciona .fade-in:first-child,
#avatares .fade-in:first-child,
#niveles .fade-in:first-child,
#contacto .fade-in:first-child {
  text-align: center;
}

/* --------------------------------------------------------------------------
   10. FEATURE CARDS (Que es HES)
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:nth-child(1)::before {
  background: linear-gradient(90deg, var(--turquesa), var(--turquesa-light));
}

.feature-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--dorado), var(--dorado-light));
}

.feature-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--verde), #34D399);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-card-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-card);
  padding: 8px;
  margin: 0 auto 24px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}

.feature-card:hover .feature-card-avatar {
  transform: scale(1.05);
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   11. EMOCIONES SECTION
   -------------------------------------------------------------------------- */
.emociones-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.emocion-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-main);
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}

.emocion-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 12px;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.emocion-card span {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
}

.emocion-card:hover {
  border-color: var(--turquesa-border);
  box-shadow: var(--shadow-glow-turquesa);
}

.emocion-card:hover .emocion-img {
  border-color: var(--turquesa);
  animation: pulse 1s ease-in-out infinite;
}

/* Estados de animo */
.estados-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  margin-top: 48px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.estados-grid {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.estado-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition);
}

.estado-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.estado-card span {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
}

.estado-card:hover {
  border-color: var(--turquesa-border);
}

/* --------------------------------------------------------------------------
   12. STEPS (Como funciona)
   -------------------------------------------------------------------------- */
.steps-container {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 180px;
  position: relative;
  flex: 1;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--turquesa);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.step-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
}

.step-card h3 {
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 1.125rem;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Connector lines between steps */
.step-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 22px;
  left: calc(50% + 40px);
  width: calc(100% - 40px);
  height: 2px;
  background: linear-gradient(90deg, var(--dorado), var(--dorado-light));
  opacity: 0.4;
}

/* --------------------------------------------------------------------------
   13. AVATARES SECTION
   -------------------------------------------------------------------------- */
.avatares-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.avatar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  transition: transform var(--transition);
}

.avatar-img-wrapper {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--border);
  overflow: hidden;
  background: var(--bg-card);
  transition: all var(--transition);
}

.avatar-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-item span {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-top: 8px;
  text-align: center;
}

.avatar-item:hover {
  transform: scale(1.05);
}

.avatar-item:hover .avatar-img-wrapper {
  border-color: var(--dorado);
  box-shadow: var(--shadow-glow-dorado);
}

/* --------------------------------------------------------------------------
   14. NIVELES SECTION
   -------------------------------------------------------------------------- */
.niveles-track {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
  overflow-x: auto;
  padding: 16px 0;
  -webkit-overflow-scrolling: touch;
}

.niveles-track::-webkit-scrollbar {
  height: 4px;
}

.niveles-track::-webkit-scrollbar-track {
  background: var(--bg-main);
  border-radius: 4px;
}

.niveles-track::-webkit-scrollbar-thumb {
  background: var(--turquesa-border);
  border-radius: 4px;
}

.nivel-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 140px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition);
  cursor: pointer;
  flex-shrink: 0;
}

.nivel-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 12px;
}

.nivel-item span {
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  text-align: center;
}

.nivel-item:hover {
  border-color: var(--turquesa-border);
  box-shadow: var(--shadow-glow-turquesa);
  transform: translateY(-2px);
}

.nivel-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--dorado);
  opacity: 0.5;
}

.nivel-arrow svg {
  width: 24px;
  height: 24px;
}

/* --------------------------------------------------------------------------
   15. CONTACTO SECTION
   -------------------------------------------------------------------------- */
.contacto-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 560px;
  margin: 0 auto;
}

.contacto-card form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--turquesa);
  box-shadow: 0 0 0 3px var(--turquesa-glow);
}

.contacto-card .btn-primary {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  margin-top: 8px;
}

.contacto-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.contacto-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.contacto-info-item svg {
  width: 20px;
  height: 20px;
  color: var(--turquesa);
  flex-shrink: 0;
}

.contacto-info-item span {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   16. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background: #0A0F16;
  position: relative;
  padding: 48px 0 24px;
  z-index: 1;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--turquesa), var(--dorado), var(--turquesa));
}

.footer-content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 280px;
}

.footer-brand p {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.footer-links a {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--turquesa);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-tertiary);
  font-size: 0.8125rem;
}

/* --------------------------------------------------------------------------
   17. ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes scrollDown {
  0%, 100% {
    opacity: 0.4;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) translateY(6px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Scroll-triggered fade in */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 {
  transition-delay: 0.1s;
}

.fade-in-delay-2 {
  transition-delay: 0.2s;
}

.fade-in-delay-3 {
  transition-delay: 0.3s;
}

/* --------------------------------------------------------------------------
   18. RESPONSIVE - 1024px
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .avatares-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
   19. RESPONSIVE - 768px
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Navbar */
  .navbar {
    width: calc(100% - 24px);
  }

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

  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .nav-buttons {
    display: none;
  }

  /* Hero */
  .hero {
    padding-top: 80px;
    min-height: 100vh;
  }

  .hero-logo {
    width: 120px;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  /* Sections */
  section {
    padding: 64px 0;
  }

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

  .feature-card {
    padding: 32px 24px;
  }

  /* Emotions */
  .emociones-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* Steps */
  .steps-container {
    flex-direction: column;
    gap: 32px;
    align-items: center;
  }

  .step-card:not(:last-child)::after {
    display: none;
  }

  /* Avatars */
  .avatares-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .avatar-img-wrapper {
    width: 80px;
    height: 80px;
  }

  /* Levels */
  .niveles-track {
    justify-content: flex-start;
    padding-left: 16px;
    padding-right: 16px;
  }

  /* Contact */
  .contacto-card {
    padding: 32px 24px;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    gap: 16px;
    flex-wrap: wrap;
  }

  .footer-bottom {
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   20. RESPONSIVE - 480px
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

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

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

  .hero-badge {
    font-size: 0.75rem;
  }

  .contacto-card {
    padding: 24px 16px;
  }

  .navbar {
    top: 8px;
    height: 50px;
  }
}