/* ===== VARIABEL & RESET ===== */
:root {
    /* Warna Tema Anak */
    --kids-primary: #FF6B6B;
    --kids-secondary: #4ECDC4;
    --kids-accent: #FFE66D;
    
    /* Warna Tema Orang Tua */
    --parents-primary: #2C3E50;
    --parents-secondary: #3498DB;
    --parents-accent: #E74C3C;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --dark-gray: #343A40;
    --black: #212529;
    
    /* Typography */
    --font-primary: 'Nunito', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== HEADER STYLES ===== */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-gray);
}

.logo-img {
    height: 40px;
    margin-right: var(--spacing-xs);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--kids-primary);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    margin: 5px 0;
    transition: 0.3s;
}

.main-nav {
    flex: 1;
}

.nav-list {
    display: flex;
    list-style: none;
    justify-content: flex-end;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 600;
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color 0.3s;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--kids-primary);
    transition: width 0.3s;
}

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

/* ===== FOOTER STYLES ===== */
.site-footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.footer-logo {
    height: 50px;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: #BDC3C7;
    line-height: 1.8;
}

.footer-links h3,
.footer-contact h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: #BDC3C7;
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    display: block;
    transition: color 0.3s;
}

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

.footer-contact p {
    color: #BDC3C7;
    margin-bottom: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: background-color 0.3s;
}

.social-links a:hover {
    background-color: var(--kids-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #BDC3C7;
}

/* ===== BUTTON STYLES ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.btn-kids {
    background-color: var(--kids-primary);
    color: var(--white);
}

.btn-kids:hover {
    background-color: #FF5252;
    transform: translateY(-2px);
}

.btn-parents {
    background-color: var(--parents-primary);
    color: var(--white);
}

.btn-parents:hover {
    background-color: #1A252F;
    transform: translateY(-2px);
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ===== HERO SECTION ===== */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #FFF5F5 0%, #F0F9FF 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.highlight {
    color: var(--kids-primary);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(255, 107, 107, 0.3);
    z-index: -1;
    border-radius: var(--radius-sm);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #6C757D;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

.btn-icon {
    margin-right: var(--spacing-xs);
}

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

.hero-illustration {
    max-width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* ===== STATS SECTION ===== */
.stats {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-card {
    padding: var(--spacing-lg);
    background-color: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--kids-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--dark-gray);
    font-weight: 600;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--spacing-xl) 0;
    background-color: #F8F9FA;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.section-subtitle {
    text-align: center;
    color: #6C757D;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: var(--spacing-md);
    object-fit: cover;
}

.testimonial-header h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.testimonial-role {
    color: #6C757D;
    font-size: 0.9rem;
}

.testimonial-content {
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-rating {
    color: #FFD700;
    font-size: 1.2rem;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.feature-card:hover {
    background-color: var(--light-gray);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.feature-card p {
    color: #6C757D;
    line-height: 1.8;
}

/* ===== CTA SECTION ===== */
.cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--kids-primary) 0%, var(--kids-secondary) 100%);
    color: var(--white);
    text-align: center;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--kids-primary);
}

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