/* ===== CSS Variables ===== */
:root {
    --primary: #FF6B9D;
    --primary-dark: #E85A8A;
    --secondary: #7C3AED;
    --accent: #FFB84D;
    --accent-light: #FFE4B5;
    --success: #10B981;
    --background: #FFFBF7;
    --surface: #FFFFFF;
    --text: #1F2937;
    --text-light: #6B7280;
    --text-muted: #9CA3AF;
    --border: #E5E7EB;
    --border-light: #F3F4F6;

    --gradient-primary: linear-gradient(135deg, #FF6B9D 0%, #FFB84D 100%);
    --gradient-hero: linear-gradient(135deg, #FFF5F8 0%, #FFF9E6 50%, #F5F3FF 100%);
    --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #FFFBF7 100%);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 3vw, 1.5rem); }

p {
    color: var(--text-light);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(255, 107, 157, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.5);
}

.btn-secondary {
    background: var(--surface);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-product {
    background: var(--secondary);
    color: white;
    width: 100%;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
}

.btn-product:hover {
    background: #6D28D9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-au {
    color: var(--primary);
}

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

.nav-links a {
    font-weight: 600;
    color: var(--text);
    position: relative;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    padding: 100px 0 60px;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

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

.hero p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: var(--text-light);
}

.hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    font-size: 3rem;
    animation: float 6s ease-in-out infinite;
    opacity: 0.6;
}

.shape-1 { top: 15%; left: 10%; animation-delay: 0s; }
.shape-2 { top: 25%; right: 15%; animation-delay: 1s; }
.shape-3 { bottom: 20%; left: 15%; animation-delay: 2s; }
.shape-4 { bottom: 30%; right: 10%; animation-delay: 3s; }

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

/* ===== Sections ===== */
.section {
    padding: 80px 0;
}

.section-sm {
    padding: 40px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 48px;
    font-size: 1.1rem;
}

/* ===== Categories Section ===== */
.categories {
    background: var(--surface);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}

.category-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.category-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.category-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.category-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== Featured Products Section ===== */
.featured {
    background: var(--background);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.product-card {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.product-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary);
    color: white;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 10;
}

.product-badge.new {
    background: var(--success);
}

.product-image {
    background: linear-gradient(135deg, #FFF5F8 0%, #F5F3FF 100%);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-placeholder {
    font-size: 5rem;
}

.product-info {
    padding: 24px;
}

.product-category {
    display: inline-block;
    background: var(--accent-light);
    color: #B45309;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-info h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.product-info p {
    font-size: 0.9rem;
    margin-bottom: 14px;
    line-height: 1.5;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.stars {
    color: #FBBF24;
    font-size: 0.9rem;
}

.rating-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.product-age {
    font-size: 0.85rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 16px;
}

/* ===== Age Guide Section ===== */
.age-guide {
    background: linear-gradient(180deg, var(--surface) 0%, var(--background) 100%);
}

.age-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.age-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.age-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.age-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-light);
}

.age-range {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

.age-label {
    background: var(--secondary);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.age-toys {
    margin-bottom: 24px;
}

.age-toys li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-light);
    font-size: 0.95rem;
}

.age-toys li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* ===== Trust Section ===== */
.trust-section {
    background: var(--surface);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.trust-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 48px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-icon {
    font-size: 1.75rem;
}

.trust-text {
    font-weight: 700;
    color: var(--text);
}

/* ===== More Products Section ===== */
.more-products {
    background: var(--background);
}

.more-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.more-card {
    background: var(--surface);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

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

.more-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 12px;
}

.more-title {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.more-link {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
}

/* ===== SEO Section ===== */
.seo-section {
    background: linear-gradient(180deg, var(--surface) 0%, #FFF5F8 100%);
}

.seo-content {
    max-width: 900px;
    margin: 0 auto;
}

.seo-content h2 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--text);
}

.seo-content h3 {
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--secondary);
    font-size: 1.25rem;
}

.seo-content p {
    margin-bottom: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== Footer ===== */
.footer {
    background: var(--text);
    color: white;
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.affiliate-disclosure {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}

.copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .mobile-menu-btn {
        display: flex;
    }

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

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

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

    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }

    .section {
        padding: 60px 0;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }

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

    .footer-brand .logo {
        justify-content: center;
    }

    .trust-grid {
        gap: 24px;
    }

    .trust-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .category-card {
        padding: 20px 16px;
    }

    .category-icon {
        font-size: 2.5rem;
    }

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

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

    .more-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .more-card {
        padding: 16px;
    }

    .more-icon {
        font-size: 2rem;
    }
}

/* ===== Animation Classes ===== */
.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

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

/* ===== Accessibility ===== */
@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;
    }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ===== Print Styles ===== */
@media print {
    .header,
    .hero-shapes,
    .mobile-menu-btn {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .product-card,
    .category-card,
    .age-card {
        break-inside: avoid;
    }
}