:root {
    /* Nordic Palette - Updated to match Logo */
    --color-primary: #1A1A1A; /* Dark Grey/Black - Matches "Aktiv" */
    --color-secondary: #7F8C8D; /* Neutral Grey */
    --color-accent: #A93226; /* Deep Red - Matches Tree Icon */
    --color-background: #F9F9F9; /* Off-white */
    --color-surface: #FFFFFF;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-success: #27AE60;
    --color-error: #C0392B;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Montserrat', sans-serif; /* Geometric for headings */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

h1 { font-size: 3rem; line-height: 1.2; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-accent);
}

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

/* Layout Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--color-accent); /* Red background */
    color: var(--color-surface) !important; /* Force white text */
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-family: var(--font-main);
}

.btn:hover {
    background-color: #922B21; /* Darker red for hover */
    transform: translateY(-2px);
    color: var(--color-surface) !important;
}

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

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-surface);
}

/* Header */
header {
    background-color: var(--color-surface);
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px; /* Adjust based on actual logo aspect ratio */
}

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

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text);
}

.nav-links a:hover {
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    background-color: #E8ECEF; /* Fallback */
    background-image: linear-gradient(rgba(44, 62, 80, 0.1), rgba(44, 62, 80, 0.1)), url('assets/hero-bg.jpg'); /* Placeholder for hero image if available, or just use color */
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

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

/* Services/Treatments */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.service-card {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    text-align: center;
}

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

.service-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

/* About Section */
.about-content {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 1;
    min-width: 300px;
}

.about-image img {
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Contact Form */
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--color-primary);
    color: var(--color-surface);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

footer p {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .nav-links {
        display: none; /* Simple mobile menu handling for now */
    }
    .hero { height: 60vh; }
}