/* ============================================
   BESSERKIDS - Magical Learning Universe
   A design that grows with children
   ============================================ */

/* CSS Variables - The Magic Palette */
:root {
    /* Brand Colors */
    --primary: #7C3AED;
    --primary-light: #A78BFA;
    --primary-dark: #5B21B6;
    
    /* Companion Colors */
    --luna-primary: #F97316;
    --luna-secondary: #FDBA74;
    --luna-glow: rgba(249, 115, 22, 0.4);
    
    --cosmo-primary: #059669;
    --cosmo-secondary: #6EE7B7;
    --cosmo-glow: rgba(5, 150, 105, 0.4);
    
    --aria-primary: #EC4899;
    --aria-secondary: #F9A8D4;
    --aria-glow: rgba(236, 72, 153, 0.4);
    
    /* UI Colors */
    --bg-primary: #FEFEFE;
    --bg-secondary: #F8FAFC;
    --bg-magical: linear-gradient(135deg, #FDF4FF 0%, #F0F9FF 50%, #F0FDF4 100%);
    
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    
    /* Gradients */
    --gradient-rainbow: linear-gradient(135deg, #F97316, #EC4899, #8B5CF6, #06B6D4, #10B981);
    --gradient-sunset: linear-gradient(135deg, #F97316 0%, #EC4899 100%);
    --gradient-ocean: linear-gradient(135deg, #06B6D4 0%, #8B5CF6 100%);
    --gradient-forest: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-magic: linear-gradient(135deg, #8B5CF6 0%, #EC4899 50%, #F97316 100%);
    
    /* Shadows */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
    --shadow-luna: 0 8px 30px rgba(249, 115, 22, 0.25);
    --shadow-cosmo: 0 8px 30px rgba(5, 150, 105, 0.25);
    --shadow-aria: 0 8px 30px rgba(236, 72, 153, 0.25);
    
    /* 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 - Extra round for kids! */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-2xl: 2.5rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-display: 'Fredoka', 'Nunito', sans-serif;
    --font-body: 'Nunito', sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-magical);
    overflow-x: hidden;
}

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

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

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

/* ============================================
   MAGIC PARTICLES BACKGROUND
   ============================================ */
.magic-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.magic-particles::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--luna-glow) 0%, transparent 70%);
    top: 10%;
    left: 5%;
    animation: float-particle 20s ease-in-out infinite;
}

.magic-particles::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--aria-glow) 0%, transparent 70%);
    bottom: 20%;
    right: 10%;
    animation: float-particle 25s ease-in-out infinite reverse;
}

@keyframes float-particle {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -50px) scale(1.1); }
    50% { transform: translate(-20px, 30px) scale(0.9); }
    75% { transform: translate(40px, 20px) scale(1.05); }
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

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

.nav-link {
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.1);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-magic);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 40px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: white;
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(0, 0, 0, 0.1);
}

.btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(124, 58, 237, 0.05);
}

.btn-glow {
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: var(--shadow-glow); }
    50% { box-shadow: 0 0 60px rgba(124, 58, 237, 0.5); }
}

.btn-jumbo {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.25rem;
    border-radius: var(--radius-2xl);
}

.btn-rainbow {
    background: var(--gradient-rainbow);
    background-size: 300% 300%;
    color: white;
    animation: rainbow-shift 5s ease infinite;
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.3);
}

@keyframes rainbow-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.btn-rainbow:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 40px rgba(236, 72, 153, 0.4);
}

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-medium);
}

.btn-white:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.btn-emoji {
    font-size: 1.5em;
    transition: var(--transition-bounce);
}

.btn:hover .btn-emoji {
    transform: scale(1.2) rotate(10deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: calc(80px + var(--space-3xl)) var(--space-xl) var(--space-3xl);
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(124, 58, 237, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-xl);
    animation: badge-float 3s ease-in-out infinite;
}

@keyframes badge-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.badge-emoji {
    font-size: 1.2em;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
}

.title-line {
    display: block;
}

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

.gradient-text {
    background: var(--gradient-rainbow);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbow-shift 5s ease infinite;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.companion-name {
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.companion-name.luna {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(249, 115, 22, 0.1));
    color: var(--luna-primary);
}

.companion-name.cosmo {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.2), rgba(5, 150, 105, 0.1));
    color: var(--cosmo-primary);
}

.companion-name.aria {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(236, 72, 153, 0.1));
    color: var(--aria-primary);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(0, 0, 0, 0.1);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-companions {
    position: absolute;
    width: 100%;
    height: 100%;
}

.companion-float {
    position: absolute;
    transition: transform 0.3s ease;
}

.companion-float:hover {
    z-index: 10;
}

.companion-float:hover .companion-img {
    transform: scale(1.1);
}

.companion-img {
    width: 200px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
    transition: var(--transition-bounce);
}

.luna-float {
    top: 20%;
    left: 10%;
    animation: float-luna 6s ease-in-out infinite;
}

.cosmo-float {
    bottom: 15%;
    left: 25%;
    animation: float-cosmo 7s ease-in-out infinite;
}

.aria-float {
    top: 15%;
    right: 15%;
    animation: float-aria 5s ease-in-out infinite;
}

@keyframes float-luna {
    0%, 100% { transform: translate(0, 0) rotate(-5deg); }
    50% { transform: translate(10px, -20px) rotate(5deg); }
}

@keyframes float-cosmo {
    0%, 100% { transform: translate(0, 0) rotate(3deg); }
    50% { transform: translate(-15px, -10px) rotate(-3deg); }
}

@keyframes float-aria {
    0%, 100% { transform: translate(0, 0) rotate(10deg); }
    33% { transform: translate(20px, -15px) rotate(-5deg); }
    66% { transform: translate(-10px, 10px) rotate(15deg); }
}

.companion-glow {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    border-radius: 50%;
    opacity: 0.3;
    z-index: -1;
    filter: blur(30px);
}

.luna-glow { background: var(--luna-primary); }
.cosmo-glow { background: var(--cosmo-primary); }
.aria-glow { background: var(--aria-primary); }

.hero-treehouse {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 350px;
}

.treehouse-img {
    width: 100%;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.15));
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
    padding: 0 var(--space-xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* ============================================
   COMPANIONS SECTION
   ============================================ */
.companions {
    padding: var(--space-4xl) var(--space-xl);
    background: white;
}

.companions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

.companion-card {
    position: relative;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-bounce);
    overflow: hidden;
}

.companion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.luna-card::before { background: var(--gradient-sunset); }
.cosmo-card::before { background: var(--gradient-forest); }
.aria-card::before { background: var(--gradient-rainbow); background-size: 300% 300%; animation: rainbow-shift 5s ease infinite; }

.luna-card { box-shadow: var(--shadow-luna); }
.cosmo-card { box-shadow: var(--shadow-cosmo); }
.aria-card { box-shadow: var(--shadow-aria); }

.companion-card:hover {
    transform: translateY(-10px) scale(1.02);
}

.luna-card:hover { box-shadow: 0 20px 60px rgba(249, 115, 22, 0.3); }
.cosmo-card:hover { box-shadow: 0 20px 60px rgba(5, 150, 105, 0.3); }
.aria-card:hover { box-shadow: 0 20px 60px rgba(236, 72, 153, 0.3); }

.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.luna-card .card-glow { background: var(--luna-primary); }
.cosmo-card .card-glow { background: var(--cosmo-primary); }
.aria-card .card-glow { background: var(--aria-primary); }

.companion-avatar {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto var(--space-xl);
}

.companion-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 2;
    transition: var(--transition-bounce);
}

.companion-card:hover .companion-avatar img {
    transform: scale(1.1) rotate(5deg);
}

.avatar-ring {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    border-radius: 50%;
    border: 3px dashed currentColor;
    opacity: 0.2;
    animation: ring-spin 20s linear infinite;
}

.luna-card .avatar-ring { color: var(--luna-primary); }
.cosmo-card .avatar-ring { color: var(--cosmo-primary); }
.aria-card .avatar-ring { color: var(--aria-primary); }

@keyframes ring-spin {
    100% { transform: rotate(360deg); }
}

.companion-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.luna-card .companion-badge { background: rgba(249, 115, 22, 0.1); color: var(--luna-primary); }
.cosmo-card .companion-badge { background: rgba(5, 150, 105, 0.1); color: var(--cosmo-primary); }
.aria-card .companion-badge { background: rgba(236, 72, 153, 0.1); color: var(--aria-primary); }

.companion-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.luna-card .companion-title { color: var(--luna-primary); }
.cosmo-card .companion-title { color: var(--cosmo-primary); }
.aria-card .companion-title { color: var(--aria-primary); }

.companion-species {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.companion-desc {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 1.1rem;
}

.companion-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

.skill-tag {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.companion-card:hover .skill-tag {
    background: var(--bg-primary);
    box-shadow: var(--shadow-soft);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: var(--space-4xl) var(--space-xl);
    background: var(--bg-magical);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-bounce);
    text-align: center;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    display: block;
    animation: icon-bounce 2s ease-in-out infinite;
}

.feature-card:hover .feature-icon {
    animation: icon-pop 0.5s ease forwards;
}

@keyframes icon-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes icon-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1.1); }
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

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

/* ============================================
   WORLDS SECTION
   ============================================ */
.worlds {
    padding: var(--space-4xl) var(--space-xl);
    background: white;
}

.worlds-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

.world-card {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-bounce);
    cursor: pointer;
}

.world-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-glow);
}

.world-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.world-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.world-card:hover .world-image img {
    transform: scale(1.1);
}

.world-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
}

.world-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl);
    color: white;
}

.world-companion {
    font-size: 0.875rem;
    font-weight: 600;
    opacity: 0.9;
}

.world-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin: var(--space-sm) 0;
}

.world-info p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ============================================
   AGE SELECTOR
   ============================================ */
.age-selector {
    padding: var(--space-4xl) var(--space-xl);
    background: var(--bg-magical);
}

.age-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.age-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-lg) var(--space-2xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-bounce);
    border: 3px solid transparent;
}

.age-tab:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.age-tab.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.age-emoji {
    font-size: 2rem;
}

.age-range {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.age-name {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.age-content {
    max-width: 1200px;
    margin: 0 auto;
}

.age-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    animation: fadeIn 0.5s ease;
}

.age-panel.active {
    display: grid;
}

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

.age-visual {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.age-visual img {
    width: 100%;
    height: auto;
}

.age-info h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.age-features {
    list-style: none;
}

.age-features li {
    padding: var(--space-md) 0;
    font-size: 1.1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
}

.age-features li:hover {
    color: var(--text-primary);
    padding-left: var(--space-md);
}

/* ============================================
   PARENTS SECTION
   ============================================ */
.parents {
    padding: var(--space-4xl) var(--space-xl);
    background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
    color: white;
}

.parents-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.parents-visual {
    position: relative;
}

.parents-visual img {
    border-radius: var(--radius-2xl);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.trust-badges {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
}

.parents-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(124, 58, 237, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.parents-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-lg);
}

.parents-desc {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

.parents-features {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.parent-feature {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.pf-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.parent-feature h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.parent-feature p {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    position: relative;
    padding: var(--space-4xl) var(--space-xl);
    background: var(--gradient-magic);
    text-align: center;
    color: white;
    overflow: hidden;
}

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

.cta-stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 40% 70%, white, transparent),
        radial-gradient(2px 2px at 60% 20%, white, transparent),
        radial-gradient(2px 2px at 80% 60%, white, transparent),
        radial-gradient(2px 2px at 10% 80%, white, transparent),
        radial-gradient(2px 2px at 90% 40%, white, transparent);
    animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.cta-section p {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: var(--space-2xl);
}

.cta-companions {
    margin-top: var(--space-3xl);
}

.trinity-img {
    max-width: 500px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
    animation: trinity-wave 3s ease-in-out infinite;
}

@keyframes trinity-wave {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #0F172A;
    color: white;
    padding: var(--space-4xl) var(--space-xl) var(--space-xl);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-4xl);
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    width: 150px;
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    opacity: 0.7;
    margin-bottom: var(--space-lg);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

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

.footer-col h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: white;
}

.footer-col a {
    display: block;
    padding: var(--space-sm) 0;
    opacity: 0.7;
    transition: var(--transition-base);
}

.footer-col a:hover {
    opacity: 1;
    color: var(--primary-light);
    padding-left: var(--space-sm);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: var(--space-xl) auto 0;
    opacity: 0.6;
    font-size: 0.875rem;
}

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

.footer-legal a:hover {
    opacity: 1;
    color: var(--primary-light);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: calc(80px + var(--space-2xl));
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        height: 400px;
        order: -1;
    }
    
    .companion-img {
        width: 140px;
    }
    
    .hero-treehouse {
        width: 250px;
    }
    
    .parents-container {
        grid-template-columns: 1fr;
    }
    
    .age-panel {
        grid-template-columns: 1fr;
    }
    
    .age-visual {
        order: -1;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .companions-grid,
    .features-grid,
    .worlds-carousel {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-jumbo {
        width: 100%;
    }
    
    .age-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .age-tab {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .companion-card {
        padding: var(--space-xl);
    }
    
    .companion-avatar {
        width: 150px;
        height: 150px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}