/* === PNOXYL - Museum-Inspired Design System === */

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

:root {
    /* Primary Colors */
    --color-primary: #1A2B4C;      /* Dunkelblau */
    --color-secondary: #E0E0E0;    /* Hellgrau */
    --color-accent-gold: #CBA34F;  /* Muted Gold */
    --color-accent-green: #9BAA87; /* Salbeigrün */
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-text: #333333;
    
    /* Spacing System (8px grid) */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 80px;
    --spacing-3xl: 120px;
    
    /* Typography */
    --font-family-sans: 'Rubik', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    
    /* Transitions */
    --transition-base: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

/* === GLOBAL STYLES === */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-body);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--color-accent-gold);
    text-decoration: none;
    transition: var(--transition-base);
    border-bottom: 1px solid transparent;
}

a:hover {
    border-bottom-color: var(--color-accent-gold);
    opacity: 0.85;
}

/* === TYPOGRAPHY === */

h1 {
    font-family: var(--font-family-sans);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

h2 {
    font-family: var(--font-family-sans);
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    margin-top: var(--spacing-2xl);
}

h3 {
    font-family: var(--font-family-sans);
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* === LAYOUT === */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-full {
    width: 100%;
}

/* === HEADER === */

header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-family-sans);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

nav a {
    color: var(--color-white);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-base);
    border-bottom: 2px solid transparent;
    padding-bottom: 4px;
}

nav a:hover {
    border-bottom-color: var(--color-accent-gold);
    color: var(--color-accent-gold);
}

nav a.active {
    border-bottom-color: var(--color-accent-gold);
    color: var(--color-accent-gold);
}

/* === FOOTER === */

footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-3xl);
    font-size: 14px;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-gold);
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-contact {
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* === SECTIONS === */

section {
    padding: var(--spacing-2xl) 0;
}

section.full-width {
    padding: var(--spacing-2xl) 0;
    width: 100%;
    margin: 0;
}

section.bg-secondary {
    background-color: var(--color-secondary);
}

section.bg-accent-green {
    background-color: var(--color-accent-green);
    color: var(--color-white);
}

section.bg-accent-green h2,
section.bg-accent-green h3 {
    color: var(--color-white);
}

section.bg-accent-green a {
    color: var(--color-white);
    border-bottom-color: transparent;
}

section.bg-accent-green a:hover {
    border-bottom-color: var(--color-white);
}

/* === CARDS === */

.card {
    background-color: var(--color-white);
    border: 1px solid #ddd;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition-slow);
}

.card:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin-top: 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

/* === HERO SECTION === */

.hero {
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-secondary);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    z-index: 2;
}

.hero-text h1 {
    font-size: 52px;
    margin-bottom: var(--spacing-md);
}

.hero-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* === TWO-COLUMN LAYOUT === */

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin: var(--spacing-lg) 0;
}

.two-column.reversed {
    direction: rtl;
}

.two-column.reversed > * {
    direction: ltr;
}

.two-column-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* === BUTTONS === */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-family: var(--font-family-sans);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(26, 43, 76, 0.2);
}

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

.btn-primary:hover {
    background-color: #152040;
    border-color: #152040;
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: #ccc;
}

/* === FORMS === */

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

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-primary);
}

input,
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid #ddd;
    border-radius: var(--radius-md);
    font-family: var(--font-family-body);
    font-size: 14px;
    transition: var(--transition-base);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(203, 163, 79, 0.1);
}

/* === LISTS === */

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

/* === DECORATIVE LINES === */

.divider {
    height: 2px;
    background-color: var(--color-accent-gold);
    margin: var(--spacing-xl) 0;
    width: 80px;
}

/* === RESPONSIVE === */

@media (max-width: 768px) {
    .hero-content,
    .two-column {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

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

    nav a {
        font-size: 12px;
    }

    .hero {
        min-height: 400px;
    }

    .hero-image {
        height: 300px;
    }

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

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

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

    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    nav ul {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }
}