/* ========================================
   Electric Scooter Australia - Styles
   Modern, Clean, Responsive Design
   ======================================== */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --background: #0f0f1a;
    --background-light: #1a1a2e;
    --surface: #252540;
    --surface-light: #2d2d4a;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: #3f3f5a;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: inherit;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

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

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

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

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 10px;
}

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

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-light);
    border-color: var(--primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 10px 18px;
}

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

.btn-amazon {
    background: #ff9900;
    color: #111;
    font-weight: 700;
}

.btn-amazon:hover {
    background: #ffad33;
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding: 140px 0 80px;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--surface);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

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

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

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

.scooter-showcase {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.scooter-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.scooter-icon {
    font-size: 10rem;
    z-index: 1;
    animation: float 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ========================================
   Filter Section
   ======================================== */

.filter-section {
    padding: 40px 0;
    background: var(--background-light);
    border-bottom: 1px solid var(--border);
}

.filter-bar {
    display: flex;
    gap: 20px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-group label {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-select {
    padding: 10px 36px 10px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95rem;
    appearance: none;
    cursor: pointer;
    min-width: 160px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: var(--transition);
}

.filter-select:hover {
    border-color: var(--primary);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* ========================================
   Section Headers
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ========================================
   Products Section
   ======================================== */

.products-section {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.product-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--surface-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    overflow: hidden;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-bestseller {
    background: var(--accent);
    color: #111;
}

.badge-new {
    background: var(--secondary);
    color: white;
}

.badge-popular {
    background: var(--primary);
    color: white;
}

.product-compare-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.product-compare-btn:hover,
.product-compare-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.product-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-brand {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--background-light);
    border-radius: var(--radius-sm);
}

.spec {
    text-align: center;
}

.spec-value {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-light);
}

.spec-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.feature-tag {
    padding: 4px 10px;
    background: var(--background);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.product-price {
    display: flex;
    flex-direction: column;
}

.price-current {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary);
}

.price-original {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-decoration: line-through;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9rem;
}

.rating-stars {
    color: var(--accent);
}

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

.product-cta {
    margin-top: 16px;
}

.product-cta .btn {
    width: 100%;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 60px 20px;
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.no-results p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ========================================
   Compare Section
   ======================================== */

.compare-section {
    padding: 80px 0;
    background: var(--background-light);
}

.compare-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.compare-slot {
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.compare-slot:hover {
    border-color: var(--primary);
}

.compare-slot.filled {
    border-style: solid;
    border-color: var(--border);
}

.compare-slot-empty {
    text-align: center;
    color: var(--text-dim);
}

.plus-icon {
    display: block;
    font-size: 2.5rem;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.compare-slot-content {
    padding: 20px;
    text-align: center;
    width: 100%;
}

.compare-slot-content .slot-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.compare-slot-content .slot-name {
    font-weight: 600;
    margin-bottom: 8px;
}

.compare-slot-content .slot-price {
    color: var(--secondary);
    font-weight: 600;
}

.compare-slot-content .slot-remove {
    margin-top: 12px;
    color: var(--error);
    font-size: 0.85rem;
    cursor: pointer;
}

.compare-slot-content .slot-remove:hover {
    text-decoration: underline;
}

.compare-table-wrapper {
    overflow-x: auto;
    margin-top: 40px;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
}

.compare-table th,
.compare-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.compare-table th {
    background: var(--background-light);
    font-weight: 600;
    color: var(--text);
}

.compare-table th:first-child {
    color: var(--text-muted);
}

.compare-table td:first-child {
    color: var(--text-muted);
    font-weight: 500;
}

.compare-table .best-value {
    color: var(--secondary);
    font-weight: 600;
}

/* ========================================
   Guide Section
   ======================================== */

.guide-section {
    padding: 80px 0;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.guide-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

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

.guide-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.guide-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.guide-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========================================
   FAQ Section
   ======================================== */

.faq-section {
    padding: 80px 0;
    background: var(--background-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.05rem;
    font-weight: 500;
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-light);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--text-dim);
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq-answer p {
    padding: 0 0 20px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ========================================
   SEO Content Section
   ======================================== */

.seo-section {
    padding: 80px 0;
    background: var(--surface);
}

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

.seo-content h2 {
    font-size: 2rem;
    margin-bottom: 24px;
    text-align: center;
}

.seo-content h3 {
    font-size: 1.4rem;
    margin: 32px 0 16px;
    color: var(--primary-light);
}

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

.seo-content strong {
    color: var(--text);
}

/* ========================================
   Newsletter Section
   ======================================== */

.newsletter-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.newsletter-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.newsletter-content > p {
    margin-bottom: 24px;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 18px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.25);
}

.newsletter-form .btn {
    background: white;
    color: var(--primary-dark);
}

.newsletter-form .btn:hover {
    background: var(--text);
}

.newsletter-disclaimer {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 12px;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--background);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    font-size: 0.95rem;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.affiliate-disclosure {
    margin-top: 12px;
    font-size: 0.85rem !important;
}

/* ========================================
   Modal
   ======================================== */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text);
}

.modal-content h3 {
    margin-bottom: 20px;
}

.modal-scooter-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-scooter-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    background: var(--background-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.modal-scooter-item:hover {
    background: var(--background);
}

.modal-scooter-item .item-icon {
    font-size: 2rem;
}

.modal-scooter-item .item-info {
    flex: 1;
}

.modal-scooter-item .item-name {
    font-weight: 600;
}

.modal-scooter-item .item-price {
    color: var(--secondary);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .hero-visual {
        display: none;
    }

    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

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

    .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-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-select {
        width: 100%;
    }

    .compare-slots {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .hero {
        padding: 120px 0 60px;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

    .product-specs {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========================================
   Animations
   ======================================== */

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

.product-card {
    animation: fadeIn 0.5s ease forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.15s; }
.product-card:nth-child(3) { animation-delay: 0.2s; }
.product-card:nth-child(4) { animation-delay: 0.25s; }
.product-card:nth-child(5) { animation-delay: 0.3s; }
.product-card:nth-child(6) { animation-delay: 0.35s; }