/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #5a7d6f;
    --color-primary-light: #7a9d8f;
    --color-bg: #fafafa;
    --color-bg-alt: #f5f5f5;
    --color-text: #333;
    --color-text-light: #666;
    --color-border: #e0e0e0;
    --color-white: #fff;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1100px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

/* Typography */
h1, h2, h3 {
    font-weight: 500;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    font-weight: 300;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--color-primary);
}

h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
}

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

.nav-links a {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 400;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, #f8faf9 0%, #eef3f0 100%);
}

.hero-content {
    max-width: 700px;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-content h1 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-size: 3rem;
    font-weight: 400;
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.cta-button {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.cta-button:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* About Section */
#about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-image {
    position: sticky;
    top: 100px;
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 3/4;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

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

.about-text p:first-child {
    font-size: 1.125rem;
    color: var(--color-text);
}

/* Info Box */
.info-box {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: 4px;
    border-left: 3px solid var(--color-primary);
}

.info-box h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.info-box p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Services/Approaches Section */
#services,
#approaches {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

/* Focus/Schwerpunkte Section */
#focus {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.focus-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.focus-item {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 30px;
    font-size: 0.95rem;
    color: var(--color-text);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.focus-item:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 4px;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.service-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.service-card h3 {
    color: var(--color-primary);
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Contact Section */
#contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
}

.contact-info h3 {
    color: var(--color-primary);
    margin-top: var(--spacing-md);
}

.contact-info h3:first-child {
    margin-top: 0;
}

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

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(90, 125, 111, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    padding: 0.875rem 2rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    align-self: flex-start;
}

.submit-button:hover {
    background-color: var(--color-primary-light);
}

.submit-button:disabled {
    background-color: var(--color-border);
    cursor: not-allowed;
}

/* Footer */
footer {
    padding: var(--spacing-md) 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Form success message */
.form-success {
    padding: var(--spacing-md);
    background-color: #e8f5e9;
    border-radius: 4px;
    text-align: center;
    color: var(--color-primary);
}

/* Legal Pages (Impressum, Datenschutz) */
.legal-page {
    padding-top: calc(60px + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
    min-height: 100vh;
}

.legal-page h1 {
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.legal-section {
    margin-bottom: var(--spacing-lg);
}

.legal-section h2 {
    font-size: 1.25rem;
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.legal-section h3 {
    font-size: 1rem;
    color: var(--color-text);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

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

.legal-section ul {
    color: var(--color-text-light);
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-section li {
    margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        max-width: 300px;
        margin: 0 auto;
        position: static;
    }

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

    .focus-grid {
        gap: var(--spacing-xs);
    }

    .focus-item {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info {
        order: 2;
    }

    .contact-form {
        order: 1;
    }

    footer .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .cta-button,
    .submit-button {
        width: 100%;
        text-align: center;
    }
}