/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Modern Australian Theme */
    --primary-color: #1a5490;
    --primary-dark: #0d3a5f;
    --primary-light: #2d6ba8;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Container */
    --container-max: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* Header and Navigation */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 70px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    display: flex;
    align-items: center;
    min-height: 600px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    max-width: 600px;
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-placeholder {
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.btn-small:hover {
    background-color: var(--primary-dark);
}

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

/* Categories Section */
.categories {
    background-color: var(--bg-light);
}

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

.category-card {
    background-color: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
}

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

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

.category-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.category-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.category-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.category-link:hover {
    color: var(--primary-dark);
}

/* Products Section */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 10;
    box-shadow: var(--shadow);
}

.product-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #e0e7ff 0%, #cffafe 100%);
}

.product-info {
    padding: var(--spacing-md);
}

.product-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.product-desc {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.product-rating {
    color: #f59e0b;
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rating-text {
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 600;
}

.product-pros {
    background-color: #ecfdf5;
    border-left: 3px solid var(--accent-color);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-dark);
    border-radius: var(--radius-sm);
}

.product-pros strong {
    color: #059669;
}

.product-price {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.btn-amazon {
    background: linear-gradient(to bottom, #f7dfa5, #f0c14b);
    color: #111 !important;
    border: 1px solid #a88734;
    box-shadow: 0 1px 0 rgba(255,255,255,.4) inset;
    font-weight: 600;
    width: 100%;
    text-align: center;
}

.btn-amazon:hover {
    background: linear-gradient(to bottom, #f5d78e, #edb933);
    border-color: #9c7e31;
}

/* Buying Guides Section */
.buying-guides {
    background-color: var(--bg-white);
}

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

.guide-card {
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
}

.guide-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.guide-category {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.guide-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    line-height: 1.3;
}

.guide-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.guide-highlights {
    list-style: none;
    margin-bottom: var(--spacing-md);
    padding-left: 0;
}

.guide-highlights li {
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-xs);
    position: relative;
    color: var(--text-dark);
}

.guide-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.guide-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
}

.guide-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Features Section */
.features {
    background-color: var(--bg-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature-item {
    text-align: center;
}

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

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

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

/* About SEO Section */
.about-seo {
    background-color: var(--bg-white);
}

.about-seo h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
    text-align: center;
}

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

.about-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.footer-col p {
    color: #9ca3af;
    margin-bottom: var(--spacing-md);
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-md);
}

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

.footer-disclaimer p {
    color: #9ca3af;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.footer-disclaimer p:last-child {
    margin-bottom: 0;
}

.footer-disclaimer a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        gap: var(--spacing-sm);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl) 0;
    }

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

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

    .hero-image-placeholder {
        width: 300px;
        height: 300px;
    }

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

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

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

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

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

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

    .product-badge {
        font-size: 0.625rem;
        padding: 0.25rem 0.5rem;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn {
        width: 100%;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

/* Print styles */
@media print {
    .header,
    .nav,
    .hero,
    .footer {
        display: none;
    }
}