:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748g;
    --success: #22c55e;
    --border: #e2e8f0;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --gold: #b45309; 
}

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

@keyframes cardPop {
    0% { transform: scale(0.95); opacity: 0; }
    70% { transform: scale(1.02); opacity: 1; }
    100% { transform: scale(1); }
}

body {
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-main);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: auto;
    animation: fadeInUp 0.8s ease-out forwards;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

.main-title {
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--text-main);
    letter-spacing: -1px;
}

.seo-content {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    padding: 0 20px;
}

.selectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    border: 1px solid white;
}

.selector-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.action-bar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 30px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.model-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid white;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.model-card.is-solahart {
    border: 1px solid var(--gold);
    background: linear-gradient(to bottom, #ffffff, #fffdfa);
}

.model-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.15);
}

.model-card h2 {
    margin-top: 0;
    color: var(--primary);
    font-size: 1.8rem;
    border-bottom: 2px solid var(--bg);
    padding-bottom: 20px;
}

.australian-made {
    position: absolute;
    top: 30px;
    left: 30px;
    background: var(--gold);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--bg);
}

.spec-label {
    color: var(--text-muted);
    font-weight: 600;
}

.analysis-card {
    background: #fdfcf0;
    border: 2px solid var(--gold);
    padding: 30px;
    border-radius: 24px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.analysis-card h3 {
    margin-top: 0;
    color: var(--gold);
    font-size: 1.4rem;
}

.analysis-card p {
    margin: 10px 0;
    font-size: 1.1rem;
}

.analysis-card .highlight {
    font-weight: 800;
    color: var(--gold);
}

.chart-container {
    background: white;
    padding: 30px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 40px;
    height: 450px;
    border: 1px solid white;
}

.placeholder {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    border: 2px dashed var(--border);
    border-radius: 20px;
    font-style: italic;
}

.table-wrapper {
    overflow-x: auto;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 20px;
    border: 1px solid white;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    position: sticky;
    top: 0;
    background: #f8fafc;
    padding: 20px;
    text-align: center;
    font-weight: 700;
    z-index: 10;
    border-bottom: 2px solid var(--border);
}

td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.best-row {
    background-color: #f0fdf4 !important;
}

.print-btn {
    background: var(--primary);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
}

.print-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.faq-section {
    margin-top: 60px;
    padding: 40px;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.faq-item {
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}