/* ============================================
   Chineo Paws - Design System & Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Quicksand:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --celeste: #87CEEB;
  --celeste-light: #b0e0f0;
  --celeste-dark: #5ab0d4;
  --verde-oliva: #808000;
  --verde-oliva-light: #a3a300;
  --rosa-pastel: #F8C8DC;
  --rosa-pastel-light: #fde4ee;
  --blanco: #FFFFFF;
  --amarillo: #FFD54F;
  --amarillo-light: #ffe48a;
  --naranja: #F4A261;
  --naranja-light: #f7bd8e;

  /* Neutrals */
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-300: #e0e0e0;
  --gray-400: #bdbdbd;
  --gray-500: #9e9e9e;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;

  /* Typography */
  --font-primary: 'Nunito', sans-serif;
  --font-secondary: 'Quicksand', sans-serif;

  /* Easing Curves */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-glow-celeste: 0 0 30px rgba(135, 206, 235, 0.3);
  --shadow-glow-rosa: 0 0 30px rgba(248, 200, 220, 0.3);
  --shadow-glow-amarillo: 0 0 30px rgba(255, 213, 79, 0.3);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms var(--ease-out);
  --transition-base: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  color: var(--gray-800);
  background: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

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

button {
  font-family: var(--font-primary);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 65ch;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title h2 {
  margin-bottom: var(--space-md);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--verde-oliva), var(--amarillo));
  border-radius: var(--radius-full);
}

.section-title p {
  margin: 0 auto;
  text-align: center;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-secondary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--verde-oliva), var(--verde-oliva-light));
  color: var(--blanco);
  box-shadow: var(--shadow-md), 0 0 30px rgba(128, 128, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(128, 128, 0, 0.4);
}

.btn-secondary {
  background: var(--blanco);
  color: var(--verde-oliva);
  border: 2px solid var(--verde-oliva);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--verde-oliva);
  color: var(--blanco);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-rosa {
  background: linear-gradient(135deg, var(--rosa-pastel), #f0a0c0);
  color: var(--blanco);
  box-shadow: var(--shadow-md), var(--shadow-glow-rosa);
}

.btn-rosa:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-rosa);
}

.btn-amarillo {
  background: linear-gradient(135deg, var(--amarillo), var(--naranja));
  color: var(--gray-800);
  box-shadow: var(--shadow-md), var(--shadow-glow-amarillo);
}

.btn-amarillo:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-amarillo);
}

/* --- Cards --- */
.card {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: var(--space-lg);
}

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.card-tag--celeste {
  background: var(--celeste-light);
  color: var(--celeste-dark);
}

.card-tag--rosa {
  background: var(--rosa-pastel-light);
  color: #c06090;
}

.card-tag--amarillo {
  background: var(--amarillo-light);
  color: #a07800;
}

.card-tag--naranja {
  background: var(--naranja-light);
  color: #a06030;
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: #e8f5e9;
  color: var(--verde-oliva);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: var(--space-sm) 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--verde-oliva);
}

.logo-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  object-fit: contain;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.logo:hover .logo-icon {
  transform: rotate(-10deg) scale(1.05);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-700);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--verde-oliva), var(--amarillo));
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--verde-oliva);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--gray-800);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #e8f5e9 0%, var(--blanco) 50%, var(--rosa-pastel-light) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: blobFloat 8s ease-in-out infinite;
}

.hero-blob--1 {
  width: 500px;
  height: 500px;
  background: var(--verde-oliva);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero-blob--2 {
  width: 400px;
  height: 400px;
  background: var(--rosa-pastel);
  bottom: -10%;
  left: -5%;
  animation-delay: -3s;
}

.hero-blob--3 {
  width: 300px;
  height: 300px;
  background: var(--amarillo);
  top: 30%;
  left: 30%;
  animation-delay: -5s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-badge {
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s var(--ease-out) both;
  animation-delay: 0.2s;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s var(--ease-out) both;
  animation-delay: 0.4s;
  line-height: 1.1;
}

.hero-title span {
  background: linear-gradient(135deg, var(--verde-oliva), var(--verde-oliva-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s var(--ease-out) both;
  animation-delay: 0.6s;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s var(--ease-out) both;
  animation-delay: 0.8s;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeInUp 0.8s var(--ease-out) both;
  animation-delay: 0.5s;
}

.hero-illustration {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.hero-illustration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-floating {
  position: absolute;
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 0.9rem;
  animation: float 3s ease-in-out infinite;
}

.hero-floating--1 {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.hero-floating--2 {
  bottom: 15%;
  left: -5%;
  animation-delay: -1.5s;
}

.hero-floating-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

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

/* ============================================
   CHARACTERS SECTION
   ============================================ */
.characters {
  background: var(--gray-50);
}

.characters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.character-card {
  background: var(--blanco);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.character-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--verde-oliva), var(--amarillo), var(--rosa-pastel));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.character-card:hover::before {
  transform: scaleX(1);
}

.character-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.character-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  object-fit: cover;
  position: relative;
}

.character-avatar::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--verde-oliva), var(--amarillo));
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.character-card:hover .character-avatar::after {
  opacity: 1;
}

.character-name {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}

.character-desc {
  font-size: 0.95rem;
  color: var(--gray-500);
}

/* ============================================
   CATEGORIES SECTION
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-md);
}

.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xl) var(--space-md);
  background: var(--blanco);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base);
  cursor: pointer;
}

.category-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.category-item:active {
  transform: scale(0.97);
}

.category-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: transform var(--transition-fast);
}

.category-item:hover .category-icon {
  transform: scale(1.1) rotate(-5deg);
}

.category-name {
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--gray-700);
  text-align: center;
}

/* Category Colors */
.cat-music .category-icon { background: var(--celeste-light); }
.cat-tips .category-icon { background: var(--amarillo-light); }
.cat-dogs .category-icon { background: var(--rosa-pastel-light); }
.cat-cats .category-icon { background: var(--naranja-light); }
.cat-rabbits .category-icon { background: #e8f5e9; }
.cat-hamsters .category-icon { background: #fff3e0; }
.cat-birds .category-icon { background: #e3f2fd; }
.cat-turtles .category-icon { background: #f1f8e9; }
.cat-horses .category-icon { background: #fce4ec; }
.cat-stories .category-icon { background: #ede7f6; }
.cat-characters .category-icon { background: #e0f7fa; }

/* ============================================
   VIDEOS SECTION
   ============================================ */
.videos {
  background: linear-gradient(180deg, var(--blanco) 0%, #e8f5e9 100%);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.video-card {
  background: var(--blanco);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

a.video-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.video-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.video-card:hover .video-thumbnail img {
  transform: scale(1.05);
}

.video-play-btn {
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--verde-oliva);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast), background var(--transition-base);
  z-index: 1;
}

a.video-card:hover .video-play-btn {
  transform: scale(1.1);
  background: var(--blanco);
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.75);
  color: var(--blanco);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

.video-info {
  padding: var(--space-lg);
}

.video-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.video-meta {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ============================================
   SONGS SECTION
   ============================================ */
.songs {
  background: linear-gradient(135deg, var(--rosa-pastel-light) 0%, var(--amarillo-light) 100%);
}

.songs-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.song-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base);
  cursor: pointer;
}

a.song-item {
  text-decoration: none;
  color: inherit;
}

a.song-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  background: var(--blanco);
}

.song-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--verde-oliva), var(--verde-oliva-light));
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.song-cover {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
}

.song-info {
  flex: 1;
}

.song-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.song-artist {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.song-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--verde-oliva);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: transform var(--transition-fast), background var(--transition-base);
  flex-shrink: 0;
}

a.song-item:hover .song-play {
  transform: scale(1.1);
  background: var(--verde-oliva-light);
}

/* ============================================
   TIPS / CONSEJOS SECTION
   ============================================ */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.tip-card {
  background: var(--blanco);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tip-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgba(135, 206, 235, 0.05));
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.tip-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.tip-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
}

.tip-title {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.tip-text {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ============================================
   BLOG SECTION
   ============================================ */
.blog {
  background: var(--gray-50);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.blog-card {
  background: var(--blanco);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.blog-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

.blog-content {
  padding: var(--space-xl);
}

.blog-date {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: var(--space-sm);
}

.blog-title {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-title {
  color: var(--verde-oliva);
}

.blog-excerpt {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-bottom: var(--space-lg);
}

.blog-read-more {
  font-weight: 700;
  color: var(--verde-oliva);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.blog-card:hover .blog-read-more {
  gap: 10px;
}

/* ============================================
   ABOUT / NOSOTROS SECTION
   ============================================ */
.about {
  background: linear-gradient(135deg, var(--blanco) 0%, var(--rosa-pastel-light) 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.about-text h2 {
  margin-bottom: var(--space-lg);
}

.about-text p {
  margin-bottom: var(--space-md);
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.value-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform var(--transition-fast), background var(--transition-base);
}

.value-item:hover {
  transform: translateX(4px);
  background: var(--blanco);
}

.value-icon {
  font-size: 1.2rem;
}

/* ============================================
   COMMITMENT / COMPROMISO SECTION
   ============================================ */
.commitment {
  background: linear-gradient(135deg, var(--verde-oliva) 0%, var(--verde-oliva-light) 100%);
  color: var(--blanco);
}

.commitment .section-title h2 {
  color: var(--blanco);
}

.commitment .section-title h2::after {
  background: var(--blanco);
}

.commitment .section-title p {
  color: rgba(255, 255, 255, 0.85);
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.commitment-card {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: transform var(--transition-base), background var(--transition-base);
}

.commitment-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.2);
}

.commitment-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.commitment-title {
  font-size: 1.2rem;
  color: var(--blanco);
  margin-bottom: var(--space-sm);
}

.commitment-text {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

/* ============================================
   CONTACT / CONTACTO SECTION
   ============================================ */
.contact {
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--blanco);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
}

.contact-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.contact-value {
  font-weight: 700;
  color: var(--gray-800);
}

.contact-form {
  background: var(--blanco);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--gray-800);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--gray-50);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--verde-oliva);
  box-shadow: 0 0 0 4px rgba(128, 128, 0, 0.15);
  background: var(--blanco);
}

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

.form-submit {
  width: 100%;
  padding: 16px;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-weight: 700;
  font-size: 1rem;
  text-align: left;
  color: var(--gray-800);
  transition: color var(--transition-fast);
}

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

.faq-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: transform var(--transition-base), background var(--transition-base);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  background: #e8f5e9;
  color: var(--verde-oliva);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--gray-600);
  line-height: 1.7;
}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter {
  background: linear-gradient(135deg, var(--amarillo) 0%, var(--naranja) 100%);
  text-align: center;
}

.newsletter h2 {
  color: var(--gray-800);
  margin-bottom: var(--space-md);
}

.newsletter p {
  margin: 0 auto var(--space-xl);
  color: var(--gray-700);
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: 16px 24px;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-size: 1rem;
  background: var(--blanco);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--verde-oliva);
}

.newsletter-btn {
  padding: 16px 32px;
  background: var(--gray-800);
  color: var(--blanco);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-family: var(--font-secondary);
  transition: transform var(--transition-fast), background var(--transition-base);
}

.newsletter-btn:hover {
  transform: scale(1.03);
  background: var(--gray-900);
}

.newsletter-btn:active {
  transform: scale(0.97);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blanco);
  margin-bottom: var(--space-lg);
}

.footer-logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.footer-desc {
  font-size: 0.95rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--gray-400);
  transition: transform var(--transition-fast), background var(--transition-base), color var(--transition-fast);
}

.footer-social-link:hover {
  transform: translateY(-3px);
  background: var(--verde-oliva);
  color: var(--blanco);
}

.footer-column h4 {
  color: var(--blanco);
  font-size: 1.05rem;
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-link:hover {
  color: var(--verde-oliva);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  font-size: 0.85rem;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--celeste);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Scroll-triggered animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }
.animate-on-scroll.delay-6 { transition-delay: 0.6s; }

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.45s; }
.stagger-children.visible > *:nth-child(10) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(11) { transition-delay: 0.55s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

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

  .hero-text {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .about-image {
    max-width: 500px;
    margin: 0 auto;
  }

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

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--blanco);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-2xl) var(--space-2xl);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-slow);
    z-index: 999;
  }

  .nav.open {
    right: 0;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: var(--space-sm) 0;
    width: 100%;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 var(--space-3xl);
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-sm);
  }

  .category-item {
    padding: var(--space-md) var(--space-sm);
  }

  .category-icon {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
  }

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

  .songs-list {
    gap: var(--space-sm);
  }

  .song-item {
    padding: var(--space-md);
    gap: var(--space-md);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .newsletter-form {
    flex-direction: column;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-title {
    font-size: 2rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

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

/* Mobile menu overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 998;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--verde-oliva);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--verde-oliva-light);
}

/* ============================================
   SELECTION
   ============================================ */
::selection {
  background: var(--celeste-light);
  color: var(--gray-900);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--verde-oliva);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background var(--transition-base);
  z-index: 90;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--verde-oliva-light);
  transform: translateY(-3px);
}

.back-to-top:active {
  transform: scale(0.95);
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--blanco);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  animation: pulse 1s ease-in-out infinite;
}

.loading-text {
  margin-top: var(--space-md);
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--verde-oliva);
}

.loading-bar {
  width: 120px;
  height: 4px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  margin-top: var(--space-md);
  overflow: hidden;
}

.loading-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--verde-oliva), var(--amarillo), var(--rosa-pastel));
  border-radius: var(--radius-full);
  animation: loadingFill 1.5s var(--ease-out) forwards;
}

@keyframes loadingFill {
  0% { width: 0%; }
  100% { width: 100%; }
}